SECTION IIb.


MINUS 0.075 MM, WET (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 15  16   52     0.27   0.17   0.48    62   176       0.48   0.30   0.84    61   173       0.15   0.44     57   161    32    90 *
 15 16A   23     0.36   0.19   0.52    52   147       0.44   0.22   0.62    50   141       0.09   0.25     25    71    20    58
 17  18   54     1.20   0.28   0.78    23    65       0.68   0.18   0.52    27    76       0.22   0.63     19    52    33    93 *
 17 18A   20     1.22   0.18   0.50    15    41       0.61   0.13   0.37    21    60       0.12   0.34     10    28    20    56
 21  22   66     0.52   0.23   0.66    46   129       0.29   0.13   0.36    43   123       0.15   0.43     29    83    51   145 *
 25  26   80     0.27   0.13   0.36    47   134       0.34   0.12   0.35    37   104       0.10   0.28     37   103    29    82
 29  30   93     2.14   0.42   1.19    20    56       2.24   0.39   1.11    18    50       0.29   0.83     14    39    13    37
 33  34   95     0.24   0.13   0.38    55   156       0.24   0.13   0.36    53   149       0.05   0.15     22    64    22    63
 37  38  100     0.15   0.06   0.18    42   120       0.16   0.06   0.17    39   111       0.04   0.13     30    84    28    81
 41  42  103     0.27   0.15   0.42    56   157       0.28   0.14   0.40    50   143       0.09   0.25     33    94    32    90
 45  46  117     0.51   0.23   0.65    45   127       0.50   0.22   0.62    44   125       0.09   0.25     17    49    18    51
 49  50  119     0.33   0.15   0.43    46   130       0.32   0.15   0.43    48   136       0.07   0.20     21    60    22    63
 53  54  121     0.23   0.13   0.37    57   161       0.28   0.15   0.43    53   151       0.10   0.28     43   121    35    99
  A   B   34     0.27   0.10   0.29    39   110       0.28   0.11   0.32    39   112       0.05   0.15     20    56    19    53
 57  58  116     0.54   0.23   0.65    42   120       0.46   0.20   0.56    43   121       0.11   0.31     20    56    23    66
 61  62  124     0.61   0.20   0.55    32    91       0.67   0.25   0.70    36   103       0.10   0.30     17    49    16    44 *
 65  66  126     0.30   0.10   0.27    33    93       0.28   0.10   0.28    35   100       0.05   0.15     17    49    18    51
 69  70  120     0.57   0.22   0.64    40   112       0.57   0.21   0.61    38   108       0.08   0.24     15    42    15    42
 73  74  130     0.10   0.05   0.15    50   142       0.11   0.06   0.16    52   148       0.04   0.11     37   105    36   103
 77  78  152     2.25   0.62   1.76    28    78       2.32   0.73   2.06    31    89       0.36   1.01     16    45    15    43 *
 81  82  175     0.97   0.35   0.98    36   101       0.89   0.32   0.89    35   100       0.17   0.48     17    49    19    54
 85  86  196     0.21   0.09   0.25    43   122       0.22   0.09   0.26    43   122       0.05   0.14     24    69    23    66
 89  90  226     0.44   0.14   0.40    32    91       0.45   0.13   0.37    30    84       0.07   0.19     15    43    15    42
 93  94  251     0.47   0.15   0.43    32    90       0.44   0.14   0.40    32    91       0.08   0.23     17    48    18    51
 97  98  269     0.31   0.17   0.47    54   153       0.31   0.17   0.49    57   161       0.05   0.15     17    48    17    48
101 102  294     0.59   0.24   0.68    41   116       0.60   0.25   0.71    42   117       0.11   0.32     19    54    19    53
105 106  315     0.22   0.12   0.33    53   151       0.21   0.12   0.34    56   159       0.05   0.14     22    63    23    64
109 110  383     0.76   0.20   0.57    26    75       0.74   0.20   0.58    28    78       0.12   0.34     16    44    16    46
113 114  405     0.21   0.11   0.30    51   145       0.20   0.11   0.30    52   147       0.05   0.14     24    68    25    71
117 118  460     0.16   0.10   0.28    61   173       0.16   0.10   0.29    63   178       0.04   0.11     24    69    24    68
121 122  552     0.45   0.22   0.62    49   138       0.39   0.20   0.56    51   145       0.09   0.25     19    54    23    64
125 126  602     0.31   0.17   0.49    56   158       0.31   0.17   0.47    54   152       0.06   0.18     20    58    21    58
129 130  714     0.28   0.13   0.38    48   136       0.28   0.14   0.39    49   138       0.06   0.18     23    64    22    62
133 134  800     0.53   0.17   0.47    32    89       0.52   0.16   0.45    31    87       0.08   0.24     16    45    16    46
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TOTAL PASSING 25.0 MM SIEVE (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 21  22   66    94.45   0.99   2.79   1.0   3.0      95.07   0.94   2.66   1.0   2.8       0.90   2.55    1.0   2.7   0.9   2.7
 89  90  233    99.96   0.13   0.38   0.1   0.4      99.97   0.11   0.31   0.1   0.3       0.08   0.24    0.1   0.2   0.1   0.2 *
 93  94  261    99.85   1.29   3.65   1.3   3.7      99.85   1.33   3.77   1.3   3.8       0.10   0.29    0.1   0.3   0.1   0.3
 97  98  275    99.98   0.07   0.20   0.1   0.2      99.97   0.15   0.43   0.2   0.4       0.09   0.25    0.1   0.2   0.1   0.2
101 102  300    99.99   0.04   0.12   0.0   0.1      99.99   0.04   0.12   0.0   0.1       0.03   0.09    0.0   0.1   0.0   0.1
105 106  325    99.94   0.18   0.50   0.2   0.5      99.94   0.17   0.47   0.2   0.5       0.12   0.33    0.1   0.3   0.1   0.3
109 110  391    99.99   0.04   0.12   0.0   0.1      99.99   0.04   0.10   0.0   0.1       0.03   0.09    0.0   0.1   0.0   0.1
113 114  424   100.00   0.02   0.06   0.0   0.1     100.00   0.01   0.03   0.0   0.0       0.02   0.04    0.0   0.0   0.0   0.0
117 118  476    99.99   0.05   0.14   0.0   0.1      99.98   0.08   0.22   0.1   0.2       0.05   0.14    0.1   0.1   0.1   0.1
121 122  568    99.98   0.14   0.39   0.1   0.4      99.98   0.13   0.36   0.1   0.4       0.09   0.27    0.1   0.3   0.1   0.3
125 126  627    99.91   0.72   2.03   0.7   2.0      99.92   0.72   2.04   0.7   2.0       0.11   0.32    0.1   0.3   0.1   0.3
129 130  735    99.95   0.25   0.70   0.2   0.7      99.96   0.18   0.50   0.2   0.5       0.16   0.45    0.2   0.5   0.2   0.5
133 134  837    99.96   0.17   0.49   0.2   0.5      99.98   0.11   0.31   0.1   0.3       0.12   0.35    0.1   0.3   0.1   0.3
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TOTAL PASSING 19.0 MM SIEVE (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 21  22   70    63.97   3.23   9.15   5.0  14.3      63.34   3.44   9.72   5.4  15.4       3.12   8.82    4.9  13.8   4.9  13.9
 25  26   84    70.24   2.71   7.67   3.9  10.9      69.17   2.25   6.37   3.3   9.2       2.06   5.82    2.9   8.3   3.0   8.4
 29  30  101    81.65   1.68   4.76   2.1  5.8       77.96   2.89   8.18   3.7  10.5       2.38   6.74    2.9   8.2   3.1   8.6
 37  38  106    80.08   1.79   5.06   2.2  6.3       82.62   1.52   4.29   1.8   5.2       1.46   4.14    1.8   5.2   1.8   5.0
 45  46  118    70.95   3.10   8.77   4.4 12.4       69.75   2.88   8.16   4.1  11.7       1.90   5.37    2.7   7.6   2.7   7.7
 49  50  126    90.26   1.64   4.64   1.8  5.1       89.26   1.66   4.70   1.9   5.3       0.94   2.66    1.0   2.9   1.1   3.0
 53  54  127    81.35   1.63   4.62   2.0  5.7       82.09   1.62   4.57   2.0   5.6       0.89   2.52    1.1   3.1   1.1   3.1
 57  58  118    81.06   2.41   6.83   3.0  8.4       81.88   2.74   7.76   3.3   9.5       1.22   3.44    1.5   4.3   1.5   4.2
 61  62  128    82.52   1.81   5.13   2.2  6.2       83.18   1.70   4.81   2.0   5.8       1.12   3.17    1.4   3.8   1.3   3.8
 65  66  130    91.08   1.52   4.29   1.7  4.7       90.74   1.69   4.78   1.9   5.3       0.82   2.31    0.9   2.5   0.9   2.6
 69  70  126    88.88   1.23   3.48   1.4  3.9       89.55   1.45   4.09   1.6   4.6       0.86   2.42    1.0   2.7   1.0   2.7
 73  74  106    89.01   0.84   2.36   0.9  2.7       88.88   0.84   2.37   0.9   2.7       0.47   1.34    0.5   1.5   0.5   1.5
 77  78  159    87.13   1.60   4.53   1.8  5.2       87.45   1.41   4.00   1.6   4.6       1.04   2.95    1.2   3.4   1.2   3.4
 81  82  182    89.16   1.04   2.93   1.2  3.3       88.56   1.56   4.42   1.8   5.0       0.95   2.70    1.1   3.0   1.1   3.0
 85  86  206    88.34   1.87   5.29   2.1   6.0      88.75   1.62   4.59   1.8   5.2       0.81   2.30    0.9   2.6   0.9   2.6 *
 89  90  228    88.77   0.68   1.92   0.8   2.2      88.65   0.68   1.91   0.8   2.2       0.46   1.30    0.5   1.5   0.5   1.5
 93  94  251    87.06   1.16   3.29   1.3   3.8      87.17   1.18   3.34   1.4   3.8       0.80   2.25    0.9   2.6   0.9   2.6
 97  98  274    85.44   1.96   5.54   2.3   6.5      85.51   2.06   5.83   2.4   6.8       1.34   3.79    1.6   4.4   1.6   4.4
101 102  305    87.13   1.46   4.12   1.7   4.7      87.14   1.78   5.03   2.0   5.8       1.24   3.51    1.4   4.0   1.4   4.0
105 106  324    89.02   1.41   3.99   1.6   4.5      88.84   1.28   3.61   1.4   4.1       0.93   2.64    1.0   3.0   1.0   3.0
109 110  383    89.83   1.23   3.48   1.4   3.9      89.87   1.21   3.41   1.3   3.8       0.83   2.35    0.9   2.6   0.9   2.6
113 114  413    91.40   1.24   3.51   1.4   3.8      91.54   1.21   3.42   1.3   3.7       0.71   2.02    0.8   2.2   0.8   2.2
117 118  466    87.39   1.20   3.39   1.4   3.9      86.92   1.12   3.17   1.3   3.6       0.75   2.13    0.9   2.4   0.9   2.4
121 122  546    88.10   2.13   6.03   2.4   6.8      88.94   1.34   3.79   1.5   4.3       1.46   4.14    1.7   4.7   1.6   4.7
125 126  626    88.02   1.49   4.21   1.7   4.8      88.17   1.63   4.60   1.8   5.2       1.16   3.28    1.3   3.7   1.3   3.7
129 130  707    87.92   0.89   2.53   1.0   2.9      87.89   0.87   2.47   1.0   2.8       0.73   2.07    0.8   2.4   0.8   2.4
133 134  835    87.14   1.91   5.42   2.2   6.2      87.24   1.81   5.13   2.1   5.9       1.10   3.11    1.3   3.6   1.3   3.6
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TOTAL PASSING 12.5 MM SIEVE (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 21  22   68    22.34   2.30   6.51  10.3  29.1      27.17   2.25   6.35   8.3  23.4       1.90   5.37    8.5  24.1   7.0  19.8
 25  26   86    43.90   2.04   5.76   4.6  13.2      43.90   2.08   5.88   4.7  13.4       1.66   4.70    3.8  10.7   3.8  10.7
 29  30  100    51.22   2.17   6.15   4.2  12.0      49.15   2.23   6.30   4.5  12.8       1.62   4.59    3.2   9.0   3.3   9.3
 33  34   98    65.92   2.62   7.40   4.0  11.2      65.17   2.69   7.61   4.1  11.7       2.29   6.48    3.5   9.8   3.5   9.9
 37  38  107    49.48   1.69   4.79   3.4   9.7      53.90   1.85   5.23   3.4   9.7       1.58   4.46    3.2   9.0   2.9   8.3
 41  42  105    64.53   2.43   6.88   3.8  10.7      68.25   2.71   7.66   4.0  11.2       1.92   5.43    3.0   8.4   2.8   8.0
 45  46  119    26.02   2.41   6.80   9.3  26.2      25.59   1.99   5.63   7.8  22.0       1.83   5.18    7.0  19.9   7.2  20.2
 49  50  125    51.68   1.72   4.87   3.3   9.4      52.07   1.80   5.09   3.5   9.8       1.07   3.02    2.1   5.9   2.1   5.8
 53  54  126    46.07   2.50   7.08   5.4  15.4      46.02   1.96   5.54   4.3  12.1       1.49   4.21    3.2   9.2   3.2   9.2
 57  58  117    46.64   1.60   4.52   3.4   9.7      46.30   1.78   5.02   3.8  10.9       1.20   3.38    2.6   7.3   2.6   7.3
 61  62  125    50.82   1.62   4.58   3.2   9.0      51.33   1.77   5.01   3.4   9.8       0.98   2.76    1.9   5.5   1.9   5.4
 65  66  130    51.39   1.95   5.53   3.8  10.7      50.99   2.11   5.97   4.1  11.7       1.13   3.20    2.2   6.2   2.2   6.3
 69  70  126    49.07   1.72   4.87   3.5   9.9      50.08   1.92   5.44   3.8  10.8       0.90   2.53    1.8   5.2   1.8   5.1
 73  74  132    47.40   2.78   7.87   5.9  16.6      48.78   1.54   4.35   3.2   8.9       1.59   4.49    3.4   9.5   3.3   9.2
 77  78  161    48.81   2.15   6.07   4.4  12.5      46.89   2.14   6.05   4.6  12.9       1.14   3.22    2.3   6.6   2.4   6.9
 81  82  181    52.77   2.18   6.18   4.1  11.7      50.37   2.33   6.58   4.6  13.1       1.28   3.63    2.4   6.7   2.5   7.2
 85  86  206    48.76   1.73   4.89   3.6  10.0      49.79   1.75   4.94   3.5  10.0       0.79   2.23    1.6   4.6   1.6   4.5
 89  90  229    48.64   1.65   4.67   3.4   9.6      46.26   1.64   4.63   3.5  10.0       0.98   2.77    2.0   5.7   2.1   6.0
 93  94  256    47.43   1.84   5.21   3.9  11.0      47.43   1.71   4.85   3.6  10.2       0.96   2.72    2.0   5.7   2.0   5.7
 97  98  274    47.59   2.42   6.85   5.1  14.4      48.23   2.46   6.97   5.1  14.4       1.26   3.57    2.7   7.5   2.6   7.4
101 102  298    46.06   3.16   8.93   6.9  19.4      46.30   3.04   8.60   6.6  18.6       1.97   5.57    4.3  12.1   4.3  12.0
105 106  326    49.41   2.82   7.96   5.7  16.1      48.37   2.75   7.78   5.7  16.1       1.79   5.08    3.6  10.3   3.7  10.5
109 110  384    45.03   2.98   8.42   6.6  18.7      45.43   2.52   7.13   5.5  15.7       1.60   4.52    3.6  10.0   3.5  10.0
113 114  419    45.56   2.71   7.67   6.0  16.8      45.91   3.55  10.05   7.7  21.9       2.40   6.79    5.3  14.9   5.2  14.8
117 118  465    45.18   3.01   8.51   6.7  18.8      46.07   2.23   6.30   4.8  13.7       1.85   5.24    4.1  11.6   4.0  11.4
121 122  547    47.60   1.88   5.33   4.0  11.2      47.95   1.80   5.08   3.7  10.6       1.25   3.53    2.6   7.4   2.6   7.4
125 126  618    46.80   2.62   7.40   5.6  15.8      47.54   2.65   7.49   5.6  15.8       1.63   4.60    3.5   9.8   3.4   9.7
129 130  713    49.02   2.47   7.00   5.0  14.3      49.09   2.52   7.11   5.1  14.5       1.59   4.50    3.2   9.2   3.2   9.2
133 134  824    49.13   2.31   6.54   4.7  13.3      51.52   2.55   7.22   5.0  14.0       1.64   4.65    3.3   9.5   3.2   9.0
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TOTAL PASSING 9.5 MM SIEVE (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 21  22   65     8.46   1.01   2.85  11.9  33.8      10.17   0.92   2.61   9.0  25.6       0.76   2.14    9.0  25.4   7.5  21.1
 25  26   85    21.36   1.99   5.64   9.3  26.4      19.86   1.63   4.60   8.2  23.2       1.41   3.99    6.6  18.7   7.1  20.1
 29  30  100    34.92   1.79   5.06   5.1  14.5      32.64   1.96   5.53   6.0  17.0       1.45   4.09    4.2  11.8   4.4  12.6
 33  34   94    30.86   1.35   3.81   4.4  12.4      30.41   1.69   4.77   5.6  15.7       1.18   3.33    3.8  10.8   3.9  11.0
 37  38  111    25.23   1.81   5.11   7.2  20.3      27.76   2.15   6.07   7.7  21.9       1.57   4.45    6.2  17.6   5.7  16.0
 41  42  103    37.03   2.20   6.22   5.9  16.8      40.46   2.22   6.28   5.5  15.5       1.81   5.12    4.9  13.8   4.5  12.7
 45  46  116     5.05   0.93   2.62  18.4  52.1       4.87   0.76   2.16  15.6  44.2       0.60   1.70   11.9  33.6  12.3  34.9
 49  50  125    16.60   1.87   5.30  11.3  31.9      17.18   1.79   5.06  10.4  29.5       1.04   2.93    6.3  17.7   6.1  17.1
 53  54  124    14.16   1.31   3.71   9.3  26.2      14.35   0.97   2.75   6.8  19.1       0.60   1.69    4.2  12.0   4.2  11.8
 57  58  116    14.33   1.22   3.46   8.5  24.1      15.11   1.06   2.99   7.0  19.9       0.64   1.81    4.5  12.6   4.2  12.0
 61  62  128    22.74   1.75   4.94   7.7  21.8      22.03   2.17   6.14   9.9  27.9       1.48   4.18    6.5  18.4   6.7  19.0
 65  66  101    15.76   1.60   4.52  10.2  28.7      14.16   1.39   3.92   9.8  27.8       0.90   2.54    5.7  16.2   6.4  18.0
 69  70  124    13.54   1.40   3.96  10.3  29.3      14.16   1.85   5.23  13.1  37.0       0.86   2.42    6.4  18.0   6.1  17.2
 73  74  133    12.42   1.77   5.00  14.3  40.3      12.46   1.81   5.12  14.5  41.1       1.51   4.26   12.2  34.4  12.1  34.3
 77  78  160    21.76   2.31   6.53  10.6  30.0      19.48   2.02   5.71  10.4  29.3       1.20   3.39    5.5  15.6   6.2  17.4
 81  82  179    20.24   2.07   5.86  10.2  28.9      17.23   1.76   4.98  10.2  28.9       1.14   3.21    5.6  15.9   6.6  18.7
 85  86  205    16.44   1.39   3.92   8.5  23.9      17.57   1.28   3.63   7.3  20.6       0.72   2.04    4.4  12.4   4.1  11.6 *
 89  90  231    21.77   1.48   4.19   6.8  19.2      18.80   1.48   4.19   7.9  22.3       0.84   2.36    3.8  10.9   4.4  12.6
 93  94  258    15.47   1.91   5.41  12.4  35.0      15.88   1.89   5.34  11.9  33.7       1.03   2.91    6.6  18.8   6.5  18.3
 97  98  275    14.59   1.61   4.55  11.0  31.2      14.91   1.65   4.65  11.0  31.2       0.84   2.38    5.8  16.3   5.7  16.0
101 102  301    14.06   1.62   4.59  11.5  32.6      14.04   1.54   4.37  11.0  31.1       0.98   2.78    7.0  19.8   7.0  19.8
105 106  325    15.06   2.46   6.97  16.4  46.3      14.00   1.66   4.69  11.8  33.5       1.62   4.59   10.8  30.5  11.6  32.8
109 110  385    14.05   1.05   2.96   7.4  21.0      13.97   1.13   3.20   8.1  22.9       0.66   1.88    4.7  13.4   4.8  13.4
113 114  417    14.18   1.58   4.46  11.1  31.5      13.88   1.57   4.44  11.3  32.0       1.20   3.39    8.4  23.9   8.6  24.4
117 118  466    12.36   0.91   2.58   7.4  20.9      12.57   0.99   2.80   7.9  22.3       0.62   1.75    5.0  14.1   4.9  13.9
121 122  555    16.13   1.65   4.68  10.3  29.0      15.85   1.29   3.65   8.1  23.0       1.25   3.53    7.7  21.9   7.9  22.3
125 126  620    13.79   1.66   4.69  12.0  34.0      14.05   1.65   4.66  11.7  33.2       1.19   3.37    8.6  24.4   8.5  24.0
129 130  732    13.27   1.94   5.48  14.6  41.3      11.89   1.47   4.17  12.4  35.1       1.41   3.98   10.6  30.0  11.8  33.4
133 134  835    16.46   1.95   5.52  11.9  33.6      16.55   1.91   5.39  11.5  32.6       1.15   3.24    7.0  19.7   6.9  19.6
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MINUS 4.75 MM SIEVE - DRY (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 21  22   69     0.81   0.36   1.02  44.4 125.8       1.00   0.36   1.03  36.0 101.9       0.19   0.55   23.5  66.4  19.0  53.8
 25  26   83     1.56   0.71   2.02  45.5 128.8       0.88   0.49   1.38  55.7 157.6       0.47   1.32   30.1  85.3  53.4 151.0
 29  30   98     6.69   1.29   3.65  19.3  54.6       9.55   1.53   4.32  16.0  45.3       0.82   2.31   12.3  34.7   8.6  24.3
 33  34   99     2.32   0.90   2.54  38.8 109.8       1.00   0.36   1.00  36.0 101.9       0.63   1.78   27.2  76.8  63.0   178
 37  38  106     0.71   0.29   0.82  40.8 115.6       0.76   0.28   0.78  36.8 104.3       0.20   0.56   28.2  79.7  26.3  74.5
 41  42  103     1.26   0.55   1.54  43.7 123.5       1.21   0.52   1.46  43.0 121.6       0.33   0.94   26.2  74.1  27.3  77.2
 45  46  116     0.65   0.37   1.04  56.9 161.1       0.69   0.35   0.99  50.7 143.6       0.17   0.48   26.2  74.0  24.6  69.7
 49  50  124     1.06   0.47   1.33  44.3 125.5       1.04   0.42   1.20  40.4 114.3       0.23   0.66   21.7  61.4  22.1  62.6
 53  54  124     0.53   0.25   0.71  47.2 133.5       1.01   0.38   1.08  37.6 106.5       0.28   0.78   52.8 149.5  27.7  78.5
 57  58  120     1.11   0.40   1.13  36.0 102.0       1.25   0.43   1.22  34.4  97.4       0.30   0.84   27.0  76.5  24.0  67.9
 61  62  126     2.46   0.72   2.03  29.3  82.8       2.54   0.81   2.29  31.9  90.2       0.38   1.08   15.4  43.7  15.0  42.3
 65  66  132     1.15   0.34   0.96  29.6  83.7       1.19   0.34   0.96  28.6  80.9       0.20   0.55   17.4  49.2  16.8  47.6
 69  70  127     1.64   0.68   1.93  41.5 117.3       1.61   0.68   1.92  42.2 119.5       0.25   0.70   15.2  43.1  15.5  43.9
 73  74  133     0.52   0.26   0.73  50.0 141.5       0.53   0.24   0.67  45.3 128.2       0.19   0.55   36.5 103.4  35.8 101.5
 77  78  160     4.10   1.24   3.52  30.2  85.6       4.27   1.41   3.98  33.0  93.4       0.56   1.59   13.7  38.7  13.1  37.1
 81  82  182     1.76   0.67   1.88  38.1 107.7       1.61   0.60   1.68  37.3 105.5       0.29   0.81   16.5  46.6  18.0  51.0
 85  86  204     0.68   0.29   0.81  42.7 120.7       0.75   0.28   0.80  37.3 105.7       0.19   0.53   27.9  79.1  25.3  71.7 *
 89  90  226     1.15   0.49   1.38  42.2 119.2       1.10   0.46   1.30  41.8 118.2       0.18   0.50   15.2  43.0  16.0  45.3
 93  94  257     1.06   0.49   1.37  45.8 129.6       1.03   0.48   1.36  46.7 132.1       0.17   0.49   16.3  46.0  16.7  47.3
 97  98  274     1.23   0.49   1.39  40.0 113.1       1.32   0.50   1.42  38.2 108.1       0.22   0.63   18.0  50.9  16.8  47.6
101 102  295     1.72   0.51   1.44  29.6  83.7       1.93   0.50   1.40  25.7  72.8       0.28   0.80   16.5  46.6  14.7  41.6
105 106  321     1.02   0.33   0.93  32.1  90.7       0.97   0.31   0.89  32.5  92.0       0.17   0.49   17.0  48.0  17.9  50.6
109 110  388     1.42   0.43   1.22  30.4  86.0       1.35   0.43   1.21  31.6  89.4       0.24   0.66   16.5  46.7  17.4  49.3
113 114  412     0.78   0.29   0.81  36.7 103.8       0.87   0.32   0.90  36.7 103.8       0.18   0.50   22.5  63.7  20.3  57.3
117 118  469     0.80   0.29   0.83  36.7 103.7       0.70   0.26   0.74  37.7 106.6       0.14   0.40   17.8  50.4  20.4  57.8
121 122  561     1.07   0.35   1.00  33.1  93.7       1.00   0.35   0.99  35.3  99.8       0.19   0.53   17.6  49.8  18.9  53.4
125 126  624     1.06   0.46   1.30  43.5 123.0       1.00   0.44   1.25  44.6 126.1       0.20   0.57   18.9  53.4  20.1  56.8
129 130  727     0.55   0.21   0.60  38.3 108.2       0.59   0.23   0.64  38.1 107.9       0.12   0.34   21.5  60.9  20.2  57.1
133 134  824     0.94   0.36   1.02  38.3 108.4       0.93   0.35   0.98  37.1 105.1       0.15   0.44   16.4  46.4  16.5  46.8
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TOTAL MINUS 4.75 MM SIEVE (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 89  90  221     1.53   0.51   1.45  33.4  94.5       1.48   0.50   1.41  33.6  95.0       0.19   0.52   12.1  34.2  12.5  35.3
 93  94  250     1.36   0.53   1.49  38.8 109.6       1.32   0.52   1.47  39.5 111.8       0.20   0.56   14.5  41.1  15.0  42.6
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PASSING 37.5 MM, RETAINED 25.0 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 15  16   58     1.91   0.78   2.22    41   116       2.86   1.06   3.01    37   105       0.81   2.28     42   119    28    80 *
 15 16A   26     2.07   0.92   2.61    44   126       1.79   1.12   3.16    62   177       0.81   2.30     39   111    45   128
 17  18   58     1.75   0.72   2.02    41   116       4.68   1.00   2.82    21    60       0.78   2.21     45   127    17    47 *
 17 18A   26     1.61   0.77   2.19    48   136       4.73   1.03   2.92    22    62       0.83   2.34     51   145    17    49
 21 22A   38    30.02   1.60   4.42   5.2  14.7      29.98   1.90   5.25   6.2  17.5       1.19   3.36    4.0  11.2   4.0  11.2
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PASSING 25.0 MM, RETAINED 19.0 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   56     0.10   0.14   0.39   138   391       0.13   0.29   0.83   222   628       0.22   0.62    220   622   167   471 *
  9  10   62    0.031  0.097  0.274   316   894      0.002  0.013  0.036   787  2227       0.07   0.20    226   641  4329 12250 *
 15  16   58    21.45   1.30   3.76   6.2  17.5      20.22   1.80   4.96   8.7  24.5       1.19   3.36    5.5  15.7   5.9  16.6 *
 15 16A   26    21.45   2.00   5.64   9.3  26.3      15.85   2.20   6.16  13.7  38.9       1.65   4.67    7.7  21.8  10.4  29.5
 17  18   61    16.83   2.10   6.03  12.7  35.9      22.66   2.10   5.94   9.3  26.2       1.87   5.28   11.1  31.4   8.2  23.3
 17 18A   26    17.08   1.60   4.51   9.3  26.4      22.46   1.80   4.96   7.8  22.1       1.92   5.43   11.2  31.8   8.5  24.2
 53 54A   37    19.77   1.50   4.37   7.8  22.1      19.94   1.50   4.17   7.4  20.9       1.17   3.32    5.9  16.8   5.9  16.6
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PASSING 19.0 MM, RETAINED 12.5 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   55    22.13   2.20   6.34  10.1  28.6      23.03   2.40   6.90  10.6  30.0       1.91   5.40    8.6  24.4   8.3  23.4
  3   4   61    43.35   3.00   8.51   6.9  19.6      39.85   3.20   9.11   8.1  22.9       1.46   4.14    3.4   9.6   3.7  10.4
  5   6   60    38.49   3.00   8.44   7.8  22.0      38.94   2.70   7.57   6.9  19.4       1.61   4.56    4.2  11.8   4.1  11.7
  7   8   59    33.29   2.50   7.04   7.5  21.2      27.82   6.80  19.26  24.5  69.3       4.81  13.60   14.4  40.9  17.3  48.9 *
  9  10   62    30.46   2.60   7.35   8.5  24.1      32.36   3.60  10.28  11.2  31.8       1.89   5.34    6.2  17.5   5.8  16.5 *
 09 10A   18    29.34   2.50   6.97   8.4  23.8      31.92   2.40   6.89   7.6  21.6       1.44   4.07    4.9  13.9   4.5  12.8
 15  16   58    41.08   2.10   5.89   5.1  14.3      32.71   1.90   5.31   5.7  16.2       1.24   3.52    3.0   8.6   3.8  10.8
 15 16A   24    40.69   2.70   7.55   6.6  18.6      33.09   2.20   6.28   6.7  19.0       1.55   4.40    3.8  10.8   4.7  13.3
 17  18   60    27.49   1.80   5.18   6.7  18.8      26.81   2.10   5.85   7.7  21.8       1.53   4.33    5.6  15.8   5.7  16.2
 17 18A   26    27.04   2.80   7.81  10.2  28.9      26.75   1.90   5.51   7.3  20.6       2.01   5.68    7.4  21.0   7.5  21.2 *
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PASSING 12.5 MM, RETAINED 9.5 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   54    23.29   2.30   6.57  10.0  28.2      21.91   2.60   7.40  12.0  33.8       1.96   5.55    8.4  23.8   9.0  25.3
  3   4   61    33.95   2.40   6.72   7.0  19.8      33.18   2.70   7.57   8.1  22.8       1.31   3.70    3.9  10.9   3.9  11.2
  5   6   61    37.47   2.70   7.53   7.1  20.1      29.81   1.90   5.49   6.5  18.4       1.75   4.94    4.7  13.2   5.9  16.6 *
  7   8   58    27.41   1.80   5.06   6.5  18.5      31.14   6.20  17.58  20.0  56.5       4.52  12.80   16.5  46.7  14.5  41.1 *
  9  10   62    35.83   2.40   6.80   6.7  19.0      36.80   2.60   7.45   7.2  20.3       1.60   4.54    4.5  12.7   4.4  12.3
 09 10A   18    36.76   2.10   6.03   5.8  16.4      36.75   2.60   7.38   7.1  20.1       1.52   4.31    4.1  11.7   4.1  11.7
 15  16   58    25.66   1.80   5.20   7.2  20.3      24.71   1.70   4.78   6.8  19.4       0.95   2.70    3.7  10.5   3.9  10.9
 15 16A   26    25.39   2.10   6.04   8.4  23.8      25.09   2.60   7.35  10.4  29.3       1.21   3.42    4.8  13.5   4.8  13.6
 17  18   59    18.88   1.40   3.96   7.4  21.0      16.19   1.40   3.93   8.6  24.3       1.36   3.86    7.2  20.4   8.4  23.8
 17 18A   26    19.55   1.60   4.45   8.1  22.8      16.99   1.80   5.06  10.5  29.8       1.12   3.16    5.7  16.2   6.6  18.6
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PASSING 9.5 MM, RETAINED 4.75 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   53    51.32   1.80   5.19   3.6  10.1      49.90   1.80   5.18   3.7  10.4       1.32   3.73    2.6   7.3   2.6   7.5
  3   4   60    18.90   1.90   5.40  10.1  28.6      25.21   2.10   5.80   8.1  23.0       1.79   5.07    9.5  26.8   7.1  20.1
  5   6   60    20.17   1.90   5.40   9.5  26.8      28.53   2.80   7.87   9.8  27.6       1.71   4.85    8.5  24.0   6.0  17.0 *
  7   8   59    32.79   1.80   5.19   5.6  15.8      35.64   3.10   8.76   8.7  24.6       2.17   6.14    6.6  18.7   6.1  17.2 *
  9  10   61    31.09   2.40   6.75   7.7  21.7      28.84   1.90   5.25   6.4  18.2       1.33   3.75    4.3  12.1   4.6  13.0 *
 09 10A   18    30.92   2.20   6.20   7.1  20.1      28.92   1.90   5.50   6.7  19.0       1.59   4.50    5.1  14.6   5.5  15.6
 15  16   57     9.21   1.30   3.81  14.7  41.5      18.11   1.60   4.45   8.7  24.6       0.70   1.99    7.6  21.6   3.9  11.0
 15 16A   25     9.87   1.40   3.84  13.7  38.8      22.62   2.90   8.22  12.9  36.5       1.82   5.15   18.4  52.2   8.0  22.8 *
 17  18   61    29.01   2.10   5.83   7.1  20.1      25.83   2.10   6.05   8.3  23.5       1.93   5.47    6.7  18.9   7.5  21.2
 17 18A   26    29.18   2.20   6.29   7.6  21.6      25.86   1.50   4.33   5.9  16.8       1.53   4.32    5.2  14.8   5.9  16.7 *
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19.0- TO 12.5-MM FLAT PARTICLES (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
117 118  174     2.85    2.6    7.3  90.2 255.0       2.50    2.2    6.1  86.8 245.5        1.4    3.9   47.8 135.3  54.5 154.0
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19.0- TO 12.5-MM ELONGATED PARTICLES (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
117 118  167     0.83    1.6    4.5 192.8 545.5       0.82    1.7    4.9 212.3 600.5        0.9    2.4  103.0 291.3 103.7 293.4
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19.0- TO 12.5-MM FLAT AND ELONGATED PARTICLES (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
117 118  128    14.35    7.3   20.7  51.0 144.3      13.14    7.0   19.8  53.4 151.0        3.8   10.8   26.6  75.3  29.1  82.2
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12.5- TO 9.5-MM FLAT PARTICLES (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
117 118  171     3.26    2.5    7.0  76.4 216.0       3.15    2.7    7.7  86.6 245.0        1.5    4.3   46.8 132.3  48.5 137.1
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12.5- TO 9.5-MM ELONGATED PARTICLES (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
117 118  171     1.28    2.2    6.3 174.7 494.2       0.93    1.7    4.8 180.1 509.4        1.1    3.2   87.2 246.6 119.8 338.8
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12.5- TO 9.5-MM FLAT AND ELONGATED PARTICLES (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
117 118  123    17.57    7.7   21.8  43.9 124.1      17.30    7.3   20.6  42.1 119.2        4.0   11.3   22.7  64.2  23.1  65.2
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9.5- TO 4.75-MM FLAT PARTICLES (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
117 118  161     3.66    2.8    8.0  77.2 218.4       3.77    3.1    8.7  82.0 232.0        1.7    4.9   47.2 133.5  45.9 129.7
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9.5- TO 4.75-MM ELONGATED PARTICLES (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
117 118  163     2.05    2.8    7.9 137.3 388.4       1.72    2.6    7.3 149.1 421.7        1.7    4.9   84.3 238.5 100.4 283.9
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9.5- TO 4.75-MM FLAT AND ELONGATED PARTICLES (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
117 118  122    24.88   11.4   32.2  45.7 129.3      23.27   10.8   30.5  46.4 131.2        4.6   12.9   18.3  51.8  19.6  55.4
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BULK SPECIFIC GRAVITY
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   49    2.699  0.018  0.052  0.68  1.94      2.696  0.016  0.044  0.58  1.64      0.015  0.043   0.56  1.58  0.56  1.58
  3   4   57    2.720  0.026  0.072  0.94  2.66      3.030  0.012  0.033  0.38  1.08      0.015  0.043   0.56  1.59  0.50  1.43 *
  5   6   59    2.695  0.012  0.033  0.44  1.23      2.932  0.012  0.035  0.42  1.19      0.007  0.020   0.26  0.74  0.24  0.68
  7   8   58    2.322  0.027  0.075  1.15  3.25      2.432  0.020  0.057  0.82  2.33      0.018  0.051   0.77  2.18  0.74  2.08 *
  9  10   59    2.929  0.014  0.039  0.47  1.32      3.036  0.012  0.034  0.40  1.12      0.007  0.019   0.23  0.66  0.22  0.64
 09 10A   19    2.933  0.015  0.042  0.50  1.42      3.037  0.009  0.025  0.29  0.82      0.011  0.031   0.37  1.05  0.36  1.02 *
 15  16   56    2.553  0.010  0.027  0.37  1.06      2.461  0.015  0.041  0.59  1.68      0.010  0.030   0.41  1.16  0.43  1.21 *
 15 16A   24    2.556  0.007  0.018  0.25  0.72      2.458  0.010  0.030  0.42  1.20      0.007  0.021   0.29  0.81  0.30  0.84 *
 17  18   59    2.497  0.014  0.039  0.55  1.55      2.517  0.012  0.035  0.49  1.39      0.011  0.030   0.42  1.19  0.42  1.18
 17 18A   26    2.490  0.028  0.080  1.14  3.21      2.514  0.021  0.060  0.84  2.37      0.017  0.047   0.67  1.90  0.66  1.88
 21  22   65    2.917  0.010  0.029  0.35  0.98      3.002  0.011  0.030  0.36  1.00      0.007  0.019   0.23  0.64  0.22  0.63
 25  26   73    2.716  0.011  0.032  0.42  1.18      2.646  0.012  0.035  0.47  1.32      0.008  0.022   0.29  0.82  0.30  0.84
 29  30   91    2.531  0.013  0.037  0.52  1.46      2.512  0.014  0.040  0.57  1.61      0.010  0.029   0.41  1.16  0.41  1.17
 33  34   89    2.851  0.015  0.042  0.52  1.48      2.801  0.015  0.043  0.54  1.52      0.012  0.035   0.43  1.21  0.44  1.23
 37  38   97    2.589  0.009  0.026  0.35  0.99      2.575  0.009  0.026  0.35  1.00      0.007  0.019   0.26  0.75  0.27  0.75
 41  42   94    2.540  0.011  0.031  0.43  1.21      2.541  0.012  0.033  0.45  1.28      0.008  0.023   0.32  0.90  0.32  0.90
 45  46  104    2.664  0.014  0.039  0.52  1.48      2.662  0.016  0.045  0.60  1.70      0.011  0.032   0.43  1.21  0.43  1.21
 49  50  115    2.734  0.016  0.045  0.59  1.66      2.733  0.014  0.041  0.53  1.49      0.008  0.022   0.28  0.80  0.28  0.80
 53  54  117    2.977  0.020  0.055  0.66  1.86      2.948  0.024  0.068  0.82  2.31      0.020  0.057   0.68  1.91  0.68  1.93 *
 57  58  108    2.661  0.021  0.059  0.79  2.22      2.663  0.022  0.062  0.82  2.32      0.009  0.026   0.34  0.96  0.34  0.96
 61  62  114    2.613  0.014  0.038  0.52  1.47      2.610  0.013  0.037  0.51  1.43      0.006  0.018   0.24  0.69  0.24  0.69
 65  66  117    2.817  0.016  0.046  0.57  1.62      2.815  0.020  0.057  0.71  2.01      0.010  0.027   0.34  0.97  0.34  0.97 *
 69  70  116    2.422  0.014  0.039  0.57  1.61      2.420  0.014  0.041  0.59  1.68      0.009  0.025   0.37  1.04  0.37  1.04
 73  74  124    2.566  0.015  0.042  0.58  1.64      2.566  0.013  0.037  0.51  1.45      0.008  0.023   0.31  0.89  0.31  0.89
 77  78  152    2.321  0.024  0.069  1.05  2.98      2.320  0.021  0.059  0.90  2.56      0.015  0.043   0.65  1.85  0.65  1.85 *
 81  82  166    2.557  0.014  0.039  0.54  1.52      2.556  0.014  0.039  0.54  1.52      0.008  0.021   0.30  0.84  0.30  0.84
 85  86  187    2.708  0.011  0.031  0.40  1.13      2.708  0.010  0.027  0.36  1.01      0.007  0.018   0.24  0.68  0.24  0.68 *
 89  90  210    2.712  0.011  0.032  0.42  1.17      2.712  0.011  0.032  0.42  1.18      0.006  0.017   0.22  0.63  0.22  0.63
 93  94  231    2.800  0.015  0.044  0.55  1.55      2.800  0.015  0.043  0.55  1.55      0.007  0.020   0.26  0.73  0.26  0.73
 97  98  254    2.811  0.013  0.036  0.46  1.29      2.811  0.012  0.034  0.42  1.19      0.007  0.021   0.26  0.73  0.26  0.73
101 102  273    2.896  0.016  0.044  0.54  1.53      2.894  0.014  0.039  0.48  1.35      0.010  0.030   0.36  1.02  0.36  1.03
105 106  296    2.966  0.016  0.044  0.52  1.48      2.964  0.015  0.044  0.52  1.47      0.009  0.025   0.29  0.83  0.29  0.83
109 110  360    2.590  0.025  0.070  0.95  2.69      2.589  0.028  0.079  1.08  3.05      0.011  0.030   0.41  1.15  0.41  1.15
113 114  396    2.756  0.025  0.071  0.91  2.56      2.756  0.023  0.065  0.83  2.36      0.012  0.035   0.45  1.26  0.45  1.26
117 118  437    2.798  0.015  0.043  0.55  1.55      2.796  0.016  0.046  0.58  1.65      0.008  0.023   0.29  0.83  0.29  0.83
121 122  542    2.663  0.033  0.094  1.24  3.52      2.659  0.029  0.081  1.08  3.05      0.020  0.055   0.73  2.07  0.73  2.08
125 126  579    2.809  0.030  0.084  1.06  2.99      2.807  0.027  0.077  0.97  2.75      0.016  0.046   0.58  1.63  0.58  1.63
129 130  693    2.703  0.024  0.069  0.90  2.55      2.702  0.029  0.083  1.08  3.07      0.015  0.041   0.54  1.53  0.54  1.54
133 134  766    2.711  0.017  0.049  0.63  1.79      2.710  0.020  0.055  0.72  2.04      0.010  0.028   0.36  1.03  0.36  1.03
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BULK SPECIFIC GRAVITY, SSD
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  3   4   57    2.731  0.025  0.072  0.93  2.62      3.040  0.010  0.029  0.33  0.94      0.015  0.043   0.56  1.59  0.50  1.42 *
  5   6   60    2.708  0.010  0.029  0.38  1.08      2.948  0.011  0.030  0.37  1.03      0.006  0.017   0.23  0.64  0.21  0.59
  7   8   58    2.423  0.017  0.049  0.71  2.01      2.501  0.014  0.039  0.55  1.55      0.011  0.032   0.46  1.30  0.44  1.26 *
  9  10   60    2.946  0.012  0.034  0.41  1.16      3.046  0.011  0.032  0.38  1.06      0.006  0.016   0.19  0.55  0.19  0.53
 09 10A   19    2.948  0.011  0.031  0.38  1.06      3.047  0.007  0.021  0.24  0.69      0.007  0.019   0.23  0.65  0.22  0.63 *
 15  16   56    2.595  0.009  0.026  0.36  1.00      2.526  0.012  0.033  0.46  1.30      0.010  0.028   0.38  1.08  0.39  1.10 *
 15 16A   24    2.596  0.005  0.015  0.20  0.57      2.522  0.009  0.025  0.36  1.00      0.006  0.017   0.23  0.64  0.23  0.66 *
 17  18   59    2.545  0.009  0.027  0.37  1.05      2.559  0.009  0.024  0.34  0.95      0.007  0.021   0.29  0.83  0.29  0.82
 17 18A   24    2.546  0.010  0.030  0.41  1.16      2.559  0.015  0.042  0.58  1.64      0.008  0.022   0.31  0.88  0.31  0.88 *
 21  22   66    2.938  0.009  0.024  0.29  0.82      3.016  0.009  0.025  0.29  0.82      0.006  0.016   0.19  0.54  0.19  0.53
 25  26   75    2.729  0.009  0.025  0.32  0.91      2.668  0.011  0.031  0.42  1.18      0.006  0.018   0.24  0.67  0.24  0.69 *
 29  30   91    2.562  0.012  0.033  0.45  1.28      2.555  0.009  0.027  0.37  1.04      0.008  0.024   0.33  0.92  0.33  0.93 *
 33  34   90    2.867  0.014  0.039  0.48  1.36      2.816  0.013  0.036  0.46  1.29      0.012  0.033   0.41  1.15  0.41  1.17
 37  38   99    2.604  0.009  0.024  0.33  0.94      2.594  0.008  0.023  0.31  0.88      0.006  0.018   0.24  0.67  0.24  0.67
 41  42   97    2.569  0.011  0.030  0.42  1.18      2.569  0.011  0.030  0.41  1.16      0.007  0.020   0.27  0.77  0.27  0.77
 45  46  106    2.688  0.012  0.035  0.46  1.29      2.686  0.015  0.042  0.56  1.57      0.012  0.033   0.43  1.21  0.43  1.21 *
 49  50  116    2.749  0.014  0.040  0.51  1.45      2.747  0.013  0.036  0.47  1.32      0.007  0.020   0.26  0.73  0.26  0.73
 53  54  118    2.991  0.019  0.053  0.63  1.77      2.961  0.025  0.071  0.85  2.40      0.018  0.052   0.61  1.74  0.62  1.75 *
 57  58  108    2.682  0.016  0.045  0.59  1.67      2.682  0.018  0.052  0.68  1.92      0.008  0.024   0.31  0.88  0.31  0.88
 61  62  114    2.635  0.010  0.028  0.38  1.08      2.634  0.010  0.028  0.38  1.08      0.005  0.015   0.20  0.58  0.20  0.58
 65  66  117    2.830  0.013  0.038  0.48  1.34      2.828  0.018  0.052  0.65  1.85      0.010  0.028   0.35  1.00  0.35  1.00 *
 69  70  117    2.529  0.011  0.032  0.45  1.27      2.527  0.011  0.031  0.43  1.23      0.007  0.021   0.29  0.83  0.30  0.83
 73  74  124    2.588  0.012  0.033  0.46  1.29      2.588  0.010  0.029  0.40  1.14      0.006  0.018   0.25  0.71  0.25  0.71
 77  78  149    2.437  0.015  0.043  0.62  1.75      2.435  0.011  0.031  0.45  1.26      0.009  0.025   0.36  1.03  0.36  1.03 *
 81  82  167    2.608  0.011  0.030  0.41  1.15      2.607  0.011  0.032  0.43  1.23      0.007  0.020   0.27  0.78  0.27  0.78
 85  86  188    2.716  0.010  0.028  0.37  1.03      2.716  0.008  0.023  0.31  0.86      0.006  0.017   0.22  0.61  0.22  0.61 *
 89  90  210    2.725  0.009  0.025  0.33  0.93      2.725  0.009  0.026  0.33  0.94      0.005  0.014   0.18  0.51  0.18  0.51
 93  94  236    2.811  0.015  0.042  0.53  1.49      2.810  0.015  0.041  0.52  1.47      0.007  0.020   0.25  0.70  0.25  0.70
 97  98  255    2.822  0.010  0.030  0.37  1.05      2.821  0.010  0.029  0.36  1.03      0.006  0.018   0.22  0.63  0.22  0.63
101 102  278    2.915  0.014  0.039  0.47  1.34      2.911  0.012  0.035  0.42  1.19      0.010  0.028   0.34  0.96  0.34  0.96
105 106  296    2.979  0.013  0.037  0.44  1.23      2.977  0.013  0.036  0.43  1.22      0.008  0.023   0.27  0.77  0.27  0.77
109 110  363    2.657  0.020  0.056  0.75  2.11      2.655  0.023  0.066  0.87  2.47      0.010  0.029   0.38  1.09  0.38  1.09
113 114  397    2.770  0.026  0.074  0.94  2.66      2.770  0.021  0.060  0.77  2.18      0.013  0.035   0.45  1.28  0.45  1.28
117 118  435    2.811  0.013  0.036  0.45  1.27      2.808  0.013  0.036  0.46  1.30      0.007  0.020   0.26  0.73  0.26  0.73
121 122  542    2.682  0.034  0.096  1.26  3.58      2.678  0.030  0.084  1.11  3.15      0.019  0.054   0.71  2.01  0.71  2.01
125 126  578    2.819  0.032  0.091  1.14  3.23      2.818  0.025  0.072  0.90  2.54      0.017  0.049   0.62  1.74  0.62  1.75
129 130  692    2.711  0.022  0.062  0.81  2.31      2.710  0.028  0.079  1.03  2.91      0.013  0.037   0.49  1.38  0.49  1.38
133 134  763    2.721  0.015  0.044  0.57  1.61      2.720  0.016  0.046  0.60  1.71      0.008  0.023   0.30  0.85  0.30  0.85
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APPARENT SPECIFIC GRAVITY
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  3   4   58    2.750  0.025  0.070  0.90  2.55      3.062  0.011  0.031  0.35  1.00      0.017  0.048   0.61  1.73  0.55  1.56 *
  5   6   60    2.732  0.010  0.027  0.35  0.98      2.982  0.010  0.029  0.34  0.96      0.006  0.018   0.23  0.65  0.21  0.60
  7   8   58    2.588  0.016  0.046  0.63  1.79      2.612  0.013  0.037  0.50  1.43      0.009  0.027   0.37  1.04  0.36  1.03
  9  10   58    2.982  0.013  0.037  0.44  1.25      3.069  0.010  0.029  0.33  0.94      0.007  0.019   0.22  0.62  0.21  0.61 *
 09 10A   19    2.982  0.010  0.028  0.34  0.95      3.069  0.006  0.018  0.20  0.57      0.006  0.016   0.18  0.52  0.18  0.51 *
 15  16   56    2.667  0.011  0.031  0.41  1.15      2.633  0.010  0.027  0.37  1.04      0.007  0.020   0.27  0.76  0.27  0.77
 15 16A   26    2.664  0.011  0.032  0.42  1.20      2.628  0.015  0.041  0.56  1.57      0.012  0.035   0.46  1.31  0.47  1.33
 17  18   55    2.626  0.008  0.024  0.32  0.91      2.627  0.009  0.025  0.34  0.96      0.005  0.015   0.20  0.56  0.20  0.56
 17 18A   25    2.623  0.009  0.026  0.35  1.00      2.629  0.013  0.036  0.48  1.35      0.008  0.022   0.30  0.85  0.30  0.85
 21  22   64    2.980  0.011  0.030  0.36  1.01      3.045  0.009  0.026  0.31  0.86      0.008  0.022   0.25  0.72  0.25  0.71
 25  26   74    2.751  0.009  0.025  0.33  0.93      2.708  0.014  0.039  0.51  1.44      0.008  0.024   0.31  0.87  0.31  0.88 *
 29  30   91    2.614  0.011  0.031  0.42  1.18      2.627  0.008  0.024  0.32  0.90      0.006  0.018   0.25  0.70  0.24  0.69 *
 33  34   87    2.899  0.012  0.035  0.43  1.21      2.844  0.011  0.031  0.38  1.08      0.010  0.028   0.34  0.97  0.35  0.99
 37  38   97    2.632  0.009  0.025  0.33  0.94      2.627  0.008  0.023  0.31  0.87      0.006  0.016   0.22  0.62  0.22  0.62
 41  42   94    2.615  0.009  0.025  0.34  0.97      2.615  0.009  0.024  0.33  0.92      0.005  0.015   0.21  0.59  0.21  0.59
 45  46  105    2.728  0.013  0.038  0.49  1.38      2.727  0.015  0.043  0.56  1.57      0.011  0.031   0.41  1.15  0.41  1.15
 49  50  115    2.773  0.010  0.029  0.37  1.04      2.771  0.010  0.029  0.37  1.04      0.007  0.019   0.24  0.68  0.24  0.68
 53  54  119    3.019  0.014  0.040  0.47  1.32      2.988  0.023  0.065  0.77  2.17      0.016  0.046   0.54  1.53  0.55  1.55 *
 57  58  110    2.715  0.018  0.051  0.66  1.88      2.715  0.020  0.056  0.73  2.06      0.009  0.026   0.34  0.96  0.34  0.96
 61  62  114    2.674  0.009  0.025  0.33  0.92      2.673  0.008  0.023  0.30  0.84      0.005  0.014   0.19  0.54  0.19  0.54
 65  66  119    2.855  0.012  0.034  0.42  1.20      2.854  0.014  0.039  0.48  1.35      0.009  0.026   0.32  0.91  0.32  0.91
 69  70  118    2.713  0.022  0.062  0.81  2.28      2.711  0.021  0.061  0.79  2.23      0.012  0.033   0.43  1.21  0.43  1.21
 73  74  124    2.624  0.013  0.036  0.49  1.37      2.625  0.010  0.027  0.37  1.04      0.009  0.025   0.33  0.94  0.33  0.94 *
 77  78  149    2.626  0.014  0.040  0.53  1.51      2.625  0.015  0.041  0.58  1.58      0.008  0.023   0.30  0.86  0.31  0.86
 81  82  165    2.696  0.011  0.030  0.39  1.12      2.695  0.011  0.030  0.40  1.13       0.01   0.02   0.25  0.70  0.25  0.70
 85  86  185    2.731  0.009  0.025  0.32  0.92      2.730  0.007  0.020  0.26  0.73       0.01   0.02   0.22  0.62  0.22  0.62 *
 89  90  209    2.748  0.008  0.022  0.28  0.80      2.747  0.008  0.023  0.29  0.82      0.004  0.012   0.16  0.45  0.16  0.45
 93  94  235    2.831  0.015  0.042  0.53  1.50      2.831  0.013  0.038  0.48  1.35      0.007  0.020   0.25  0.70  0.25  0.70
 97  98  255    2.843  0.010  0.027  0.34  0.96      2.842  0.009  0.026  0.33  0.93       0.01   0.02   0.22  0.61  0.22  0.61
101 102  277    2.950  0.013  0.038  0.45  1.28      2.947  0.011  0.031  0.37  1.05       0.01   0.02   0.29  0.83  0.29  0.83
105 106  293    3.004  0.014  0.039  0.46  1.30      3.002  0.013  0.036  0.43  1.21       0.01   0.02   0.29  0.81  0.29  0.81
109 110  359    2.778  0.021  0.059  0.75  2.12      2.776  0.024  0.069  0.88  2.50       0.01   0.03   0.44  1.23  0.44  1.23
113 114  395    2.795  0.025  0.072  0.91  2.57      2.795  0.021  0.060  0.76  2.16       0.01   0.04   0.44  1.26  0.44  1.26
117 118  434    2.832  0.012  0.034  0.43  1.20      2.830  0.013  0.037  0.47  1.32       0.01   0.02   0.28  0.80  0.28  0.81
121 122  543    2.716  0.032  0.089  1.16  3.29      2.713  0.029  0.082  1.07  3.02       0.02   0.06   0.73  2.06  0.73  2.06
125 126  582    2.839  0.037  0.105  1.31  3.69      2.837  0.040  0.114  1.42  4.00       0.02   0.06   0.72  2.03  0.72  2.03
129 130  688    2.726  0.019  0.055  0.71  2.02      2.724  0.019  0.053  0.69  1.95       0.01   0.04   0.50  1.42  0.50  1.42
133 134  765    2.738  0.015  0.043  0.55  1.56      2.738  0.016  0.044  0.57  1.61       0.01   0.02   0.31  0.86  0.31  0.86
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ABSORPTION
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   52    0.352   0.11   0.32    32    89      0.431   0.12   0.33    27    76       0.07   0.21   21.0  59.4  17.1  48.5
  3   4   59    0.412   0.14   0.40    34    97      0.347   0.11   0.30    31    86       0.06   0.18   15.0  42.5  17.8  50.4 *
  5   6   60    0.505   0.12   0.34    24    67      0.574   0.13   0.37    23    65       0.06   0.18   12.4  35.0  10.9  30.8
  7   8   56    4.343   0.56   1.58    13    37      2.871   0.34   0.97    12    34       0.41   1.16    9.4  26.7  14.3  40.4 *
  9  10   58    0.562   0.10   0.30    19    53      0.331   0.10   0.29    31    87       0.06   0.16   10.0  28.3  17.0  48.0
 09 10A   17    0.561   0.09   0.25    16    45      0.299   0.11   0.31    37   105       0.07   0.19   11.8  33.5  22.2  62.9
 15  16   56    1.674   0.15   0.41     9    25      2.635   0.24   0.67     9    25       0.15   0.42    8.9  25.2   5.7  16.0 *
 15 16A   24    1.597   0.10   0.29     6    18      2.634   0.22   0.63     9    24       0.12   0.35    7.7  21.7   4.7  13.2 *
 17  18   56    1.958   0.21   0.60    11    31      1.672   0.19   0.54    11    32       0.16   0.45    8.0  22.8   9.4  26.7
 17 18A   26    1.983   0.31   0.88    16    44      1.715   0.27   0.75    16    44       0.22   0.62   11.1  31.3  12.8  36.2
 21  22   65    0.736   0.16   0.45    22    61      0.470   0.10   0.28    21    59       0.09   0.26   12.6  35.7  19.8  56.0 *
 25  26   79    0.458   0.16   0.46    35   100      0.861   0.14   0.38    16    45       0.12   0.34   26.3  74.5  14.0  39.6
 29  30   93    1.265   0.18   0.51    14    40      1.728   0.24   0.67    14    39       0.13   0.37   10.3  29.1   7.5  21.3 *
 33  34   93    0.581   0.14   0.41    25    71      0.535   0.11   0.32    21    60       0.07   0.20   12.1  34.3  13.1  37.2 *
 37  38   98    0.641   0.11   0.32    18    50      0.764   0.13   0.36    17    48       0.08   0.22   11.9  33.7  10.0  28.3
 41  42   95    1.128   0.12   0.33    10    29      1.098   0.13   0.36    12    33       0.08   0.23    7.1  20.0   7.3  20.6
 45  46  107    0.896   0.17   0.47    19    53      0.905   0.16   0.46    18    51       0.09   0.25    9.7  27.3   9.6  27.1
 49  50  118    0.504   0.15   0.42    30    83      0.496   0.14   0.39    28    80       0.07   0.19   13.0  36.9  13.3  37.5
 53  54  118    0.448   0.14   0.40    31    89      0.434   0.13   0.38    31    87       0.08   0.23   18.1  51.3  18.7  53.0
 57  58  110    0.709   0.16   0.46    23    65      0.694   0.15   0.42    22    61       0.08   0.22   10.9  30.9  11.2  31.6
 61  62  114    0.895   0.16   0.46    18    52      0.914   0.18   0.52    20    57       0.08   0.22    8.6  24.4   8.4  23.9
 65  66  115    0.456   0.09   0.27    21    58      0.458   0.12   0.33    26    72       0.07   0.20   15.1  42.8  15.0  42.6 *
 69  70  118     4.41   0.35   1.00     8    23       4.40   0.37   1.05     8    24       0.22   0.64    5.1  14.4   5.1  14.5
 73  74  121    0.867   0.12   0.35    14    41      0.859   0.13   0.36    15    42       0.10   0.27   11.0  31.1  11.1  31.4
 77  78  149    5.063   0.29   0.81     6    16      5.042   0.30   0.85     6    17       0.17   0.48    3.4   9.6   3.4   9.6
 81  82  172    2.023   0.19   0.55    10    27      2.019   0.21   0.60    10    29       0.10   0.27    4.7  13.4   4.7  13.4
 85  86  190    0.306   0.09   0.26    30    85      0.301   0.10   0.27    32    91       0.04   0.10   11.8  33.4  12.0  34.0 *
 89  90  214    0.484   0.12   0.35    26    73      0.481   0.12   0.34    25    71       0.05   0.14   10.2  28.9  10.3  29.1
 93  94  234    0.380   0.11   0.32    30    85      0.379   0.10   0.28    26    74       0.05   0.14   12.9  36.4  12.9  36.5
 97  98  260    0.406   0.12   0.34    30    85      0.404   0.12   0.34    30    85       0.06   0.18   15.9  44.9  16.0  45.1
101 102  278    0.625   0.13   0.36    21    58      0.632   0.13   0.37    21    59       0.05   0.15    8.3  23.4   8.2  23.1
105 106  299    0.424   0.11   0.30    25    70      0.420   0.11   0.30    25    71       0.05   0.15   12.7  36.0  12.8  36.3
109 110  357    2.656   0.23   0.66     9    25      2.654   0.24   0.68     9    26       0.10   0.27    3.6  10.3   3.6  10.3
113 114  394    0.492   0.14   0.41    29    82      0.485   0.13   0.37    27    76       0.06   0.16   11.8  33.3  11.9  33.8
117 118  443    0.425   0.12   0.34    28    79      0.426   0.13   0.36    30    84       0.05   0.15   12.3  34.7  12.2  34.6
121 122  541    0.742   0.20   0.57    27    77      0.747   0.19   0.53    25    72       0.08   0.23   11.1  31.4  11.0  31.2
125 126  575    0.398   0.12   0.34    30    85      0.398   0.12   0.34    30    85       0.06   0.17   15.0  42.4  15.0  42.4
129 130  680    0.289   0.11   0.31    38   108      0.286   0.10   0.29    36   102       0.05   0.14   17.3  49.0  17.5  49.4
133 134  765    0.356   0.10   0.29    29    82      0.362   0.11   0.30    29    82       0.05   0.13   13.1  36.9  12.8  36.3
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L.A. ABRASION, A GRADING (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 21  22   61    13.63    1.0    2.9   7.6  21.5      17.80    1.5    4.2   8.4  23.7        0.8    2.2    5.7  16.1   4.3  12.3 *
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L.A. ABRASION, B GRADING (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   53    20.36    1.6    4.6   7.9  22.4      30.05    2.1    5.8   6.8  19.3        1.2    3.3    5.8  16.3   3.9  11.0 *
  3   4   58    47.54    4.3   12.2   9.1  25.7      18.75    1.3    3.6   6.9  19.4        3.0    8.6    6.4  18.1  16.2  45.9 *
  5   6   58    22.87    1.4    4.0   6.1  17.3      12.78    0.8    2.3   6.2  17.7        0.7    2.0    3.1   8.7   5.5  15.5 *
  7   8   58    38.34    2.5    7.2   6.6  18.6      33.47    2.0    5.7   6.0  17.0        1.2    3.4    3.1   8.8   3.6  10.1 *
  9  10   60    12.54    0.8    2.1   6.0  16.9      20.28    1.2    3.4   5.9  16.7        0.7    1.9    5.3  14.9   3.3   9.2 *
 09 10A   18    12.76    0.5    1.4   3.9  11.1      21.06    1.0    2.7   4.6  12.9        0.5    1.3    3.5  10.0   2.1   6.1 *
 17  18   56    41.68    1.6    4.7   3.9  11.2      38.57    1.5    4.2   3.9  11.0        1.0    2.7    2.3   6.5   2.5   7.0
 17 18A   27    41.33    1.8    5.1   4.4  12.5      38.60    1.6    4.5   4.1  11.6        0.6    1.7    1.4   4.1   1.5   4.4
 25  26   67    38.10    2.1    6.0   5.6  15.8      13.40    1.0    2.9   7.7  21.8        1.5    4.2    3.9  10.9  11.0  31.1 *
 29  30   78    35.10    1.6    4.5   4.5  12.8      41.47    2.1    5.9   5.0  14.2        1.5    4.3    4.3  12.2   3.6  10.3 *
 33  34   84    19.23    0.8    2.4   4.4  12.3      20.18    1.1    3.1   5.3  15.1        0.5    1.5    2.8   7.9   2.7   7.5 *
 37  38   84    31.45    1.4    4.0   4.5  12.6      31.94    1.4    4.0   4.4  12.5        0.8    2.3    2.5   7.2   2.5   7.0
 41  42   80    32.20    1.4    4.0   4.4  12.5      32.63    1.3    3.7   4.0  11.3        0.7    1.9    2.1   5.9   2.0   5.8
 45  46   91    13.22    1.2    3.5   9.5  26.8      13.04    1.2    3.3   8.9  25.1        0.6    1.6    4.2  12.0   4.3  12.1
 49  50   96    44.08    2.4    6.7   5.3  15.1      44.08    2.4    6.7   5.4  15.3        0.9    2.5    2.0   5.7   2.0   5.7
 53  54   98    18.96    1.1    3.2   5.9  16.7      19.19    1.1    3.1   5.8  16.3        0.4    1.3    2.3   6.6   2.3   6.5
 57  58   98    11.40    1.0    2.9   9.0  25.6      11.27    1.0    2.9   9.0  25.4        0.4    1.2    3.7  10.4   3.7  10.5
 61  62  106    41.61    2.3    6.6   5.6  15.9      41.83    2.1    5.9   5.0  14.2        0.9    2.6    2.2   6.3   2.2   6.3
 65  66  103    18.68    1.2    3.4   6.4  18.1      18.75    1.3    3.6   6.8  19.3        0.6    1.7    3.1   8.8   3.1   8.8
 69  70  105    28.39    1.4    4.1   5.1  14.4      28.51    1.4    4.0   4.9  14.0        0.6    1.7    2.1   5.8   2.1   5.8
 73  74  104    36.23    2.2    6.2   6.0  17.0      36.79    2.2    6.2   6.0  16.9        1.2    3.3    3.2   9.1   3.2   8.9
 77  78   89    32.69    1.7    4.7   5.1  14.4      32.69    1.5    4.4   4.7  13.3        0.8    2.1    2.3   6.5   2.3   6.5
 81  82  119    26.26    1.9    5.3   7.1  20.0      25.90    1.8    5.0   6.9  19.5        0.6    1.6    2.2   6.1   2.2   6.2
 85  86  140    19.00    1.2    3.5   6.5  18.5      19.22    1.2    3.3   6.1  17.4        0.5    1.6    2.9   8.2   2.9   8.1
 89  90  141    43.74    2.7    7.8   6.3  17.8      43.88    3.1    8.7   7.0  19.7        0.9    2.6    2.1   6.0   2.1   6.0
 93  94  178    48.74    3.3    9.3   6.7  19.0      48.69    3.4    9.7   7.0  19.9        1.6    4.5    3.2   9.1   3.2   9.2
 97  98  179    49.51    2.4    6.9   4.9  13.8      49.52    2.7    7.5   5.4  15.2        1.0    2.9    2.1   5.9   2.1   5.9
101 102  198    25.36    2.3    6.6   9.2  25.9      25.65    2.4    6.9   9.5  26.9        1.0    2.9    4.0  11.4   4.0  11.2
105 106  200    26.08    2.1    5.8   7.9  22.3      26.19    1.9    5.4   7.2  20.4        0.8    2.1    2.9   8.2   2.9   8.2
109 110  219    27.83    1.7    4.9   6.2  17.5      27.78    1.7    4.8   6.1  17.2        0.9    2.7    3.4   9.6   3.4   9.6
113 114  228    15.61    1.3    3.8   8.6  24.2      15.61    1.2    3.4   7.7  21.8        0.6    1.6    3.6  10.3   3.6  10.3
117 118  234    23.69    1.4    4.0   6.0  16.9      23.85    1.4    4.0   6.0  16.9        0.6    1.7    2.5   7.0   2.5   7.0
121 122  290    13.32    1.1    3.2   8.5  23.9      13.19    1.2    3.3   8.9  25.2        0.6    1.6    4.2  12.0   4.3  12.1
125 126  310    41.85    2.6    7.2   6.1  17.3      41.83    2.6    7.3   6.1  17.4        1.2    3.3    2.8   7.9   2.8   7.9
129 130  335    20.26    1.4    4.1   7.1  20.1      20.30    1.5    4.2   7.3  20.7        0.8    2.3    4.0  11.2   3.9  11.2
133 134  363    21.52    1.5    4.1   6.8  19.2      21.35    1.5    4.3   7.1  20.0        0.6    1.8    2.9   8.2   2.9   8.3
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SULFATE SOUNDNESS, SODIUM, 25.0 MM TO 19.0 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 15  16   36     9.46    4.5   12.7    47   134      15.06    8.3   23.5    55   156        5.2   14.6     55   154    34    97 *
 15 16A   15    10.90    8.6   24.4    79   223      13.40    6.6   18.6    49   139        6.5   18.4     60   169    49   137
 17  18   37     6.11    4.0   11.4    66   187       5.89    4.0   11.4    68   193        2.8    8.0     46   130    48   135
 17 18A   14     6.00    3.9   11.1    65   185       8.10    3.8   10.9    47   134        2.2    6.2     36   103    27    76
 21  22   33     0.48    0.2    0.7    50   141       0.23    0.2    0.6    89   252        0.2    0.4     32    90    67   190
 25  26   39     0.68    0.7    1.9   100   282       1.25    1.1    3.0    84   237        0.9    2.4    126   356    68   194 *
 29  30   42     9.22    5.1   14.4    55   156       8.79    4.0   11.4    46   130        3.5   10.0     38   108    40   114
  A   B   39    13.12    5.7   16.2    44   123      12.66    5.2   14.6    41   116        2.3    6.5     18    50    18    52
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SULFATE SOUNDNESS, SODIUM, 19.0 MM TO 9.5 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   34     0.16    1.7    0.5   110   310       0.44    0.5    1.5   121   343        0.3    0.8    184   521    66   187 *
  3   4   38     0.62    0.5    1.5    85   240       0.39    0.3    0.8    73   206        0.3    0.9     51   143    81   230 *
  5   6   37     0.39    0.3    0.7    67   189       0.21    0.2    0.4    74   210        0.2    0.5     46   129    85   240 *
  7   8   36     7.49    4.9   13.8    65   184       6.32    3.7   10.6    59   168        1.7    4.7     22    63    26    74
  9  10   36     0.25    0.2    0.4    62   177       0.22    0.8    0.4    69   196        0.1    0.4     51   146    56   160
 15  16   36     7.33    3.9   11.1    54   152      15.01    6.1   17.3    41   115        2.7    7.7     37   105    18    51 *
 15 16A   15     8.20    4.8   13.7    59   167      16.80   10.3   29.3    62   174        4.7   13.3     57   162    28    79 *
 17  18   39     6.00    3.2    8.9    53   149       6.04    2.9    8.3    49   138        1.2    3.4     20    57    20    56
 17 18A   14     7.23    3.3    9.4    46   130       6.55    2.1    6.0    32    91        2.1    5.8     29    81    32    89
 21  22   35     0.68    0.4    1.2    63   179       0.27    0.2    0.5    63   179        0.3    0.9     45   126   114   323 *
 25  26   40     0.94    0.9    2.5    92   261       1.42    1.0    2.9    73   205        0.5    1.5     56   160    37   106
 29  30   42     3.97    2.2    6.4    57   160       7.31    3.0    8.5    41   116        1.8    5.0     45   127    24    69 *
 33  34   39     0.53    0.3    0.9    58   163       0.49    0.4    1.0    74   209        0.2    0.6     41   116    45   127
 37  38   44     0.97    0.8    2.3    84   239       1.23    0.9    2.5    71   200        0.5    1.4     51   145    41   115
 41  42   37     2.05    1.5    4.3    74   209       1.95    1.4    4.0    73   205        0.7    1.9     33    92    34    97
 45  46   45     1.43    1.0    2.9    71   200       1.49    1.0    2.8    66   186        0.5    1.4     34    95    32    91
 49  50   49     1.35    1.3    3.8    98   278       1.05    0.8    2.3    76   216        0.7    2.0     53   151    69   194 *
 53  54   50     0.59    0.5    1.5    90   255       0.61    0.5    1.5    89   251        0.4    1.2     68   194    67   189
  A   B   39    10.75    4.4   12.5    41   117      11.22    4.5   12.8    40   114        1.3    3.7     12    35    12    33
 57  58   54     0.85    0.6    1.8    75   211       0.84    0.7    1.9    79   224        0.5    1.3     56   158    56   159
 61  62   51     4.69    3.1    8.8    66   187       4.79    2.8    7.8    57   162        1.3    3.7     28    79    27    77
 65  66   49     0.38    0.3    0.9    81   228       0.34    0.3    0.8    87   246        0.2    0.6     57   160    63   178
 69  70   53     8.50    5.2   14.8    62   175       8.84    5.0   14.0    56   158        1.4    4.0     16    47    16    45
 73  74   57     2.01    1.3    3.7    65   184       1.97    1.1    3.0    54   152        0.7    1.9     34    95    34    97
 77  78   55    16.54    9.4   26.7    57   162      16.71    9.4   26.7    56   160        2.1    6.0     13    36    13    36
 81  82   62    13.66    7.2   20.3    53   149      13.76    7.3   20.6    53   150        2.2    6.1     16    45    16    45
 85  86   74     0.22    0.2    0.5    74   209       0.25    0.2    0.6    80   226        0.1    0.3     53   151    46   131
 89  90   81     1.16    0.6    1.8    55   155       1.22    0.8    2.3    66   185        0.3    1.0     30    84    28    80
 93  94   91     0.89    0.5    1.4    57   162       0.86    0.4    1.3    52   148        0.3    0.7     29    81    30    84
 97  98  112     1.24    1.0    2.8    81   228       1.19    1.0    2.7    81   230        0.4    1.2     35   100    37   104
101 102  115     1.01    0.7    1.9    68   191       1.02    0.7    1.8    64   182        0.3    0.8     29    82    29    81
105 106  105     1.20    0.8    2.3    67   189       1.09    0.7    1.8    60   170        0.6    1.6     47   133    52   147
109 110  123     7.10    4.3   12.0    60   169       7.00    4.1   11.7    59   168        1.1    3.0     15    42    15    43
113 114  121     0.61    0.4    1.3    74   208       0.65    0.5    1.3    71   201        0.3    0.7     42   118    39   110
117 118  137     0.50    0.3    0.9    63   177       0.51    0.3    0.9    63   178        0.1    0.3     23    65    23    64
121 122  175     1.34    1.1    3.1    81   229       1.17    0.8    2.4    71   201        0.6    1.7     45   126    51   144
125 126  169     0.90    0.6    1.7    67   189       0.86    0.6    1.6    65   184        0.3    0.8     31    87    32    92
129 130  205     0.33    0.3    0.7    81   228       0.31    0.3    0.8    87   246        0.1    0.4     40   113    42   117
133 134  214     0.42    0.4    1.0    85   239       0.40    0.3    0.9    77   219        0.2    0.4     36   103    38   108
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SULFATE SOUNDNESS, SODIUM, 9.5 MM TO 4.75 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   34     0.18    0.2    0.5   106   301       0.64    0.8    2.1   113   320        0.4    1.1    225   637    63   178 *
  3   4   39     0.41    0.4    1.1    91   256       0.49    0.3    0.8    57   160        0.2    0.6     50   141    42   119
  5   6   38     0.19    0.1    0.4    70   198       0.14    0.1    0.3    72   203        0.1    0.4     68   192    92   261
  7   8   36     5.42    3.8   10.6    69   196       4.21    2.8    7.9    66   186        1.6    4.6     30    84    38   108 *
  9  10   36     0.15    0.1    0.3    77   216       0.37    0.2    0.6    60   170        0.1    0.4     96   273    39   111 *
 15  16   36     9.58    4.9   14.0    52   146      17.85    7.4   21.0    42   118        2.9    8.2     30    85    16    46 *
 15 16A   15     8.80    4.7   13.2    53   151      17.10    8.7   24.7    51   144        3.9   11.0     44   125    23    64 *
 17  18   39     4.83    2.8    7.9    58   163       4.16    2.3    6.4    55   154        1.2    3.4     25    70    29    82
 17 18A   14     5.53    2.7    7.7    50   140       5.52    2.1    6.0    39   109        1.2    3.5     22    64    23    64
 21  22   37     0.76    0.5    1.3    61   171       0.43    0.4    1.1    90   255        0.4    1.0     48   136    84   238
 25  26   39     1.27    1.2    3.4    94   265       1.66    1.1    3.1    66   188        0.6    1.7     47   133    36   102
 29  30   42     2.65    1.4    3.9    52   148       5.98    2.7    7.6    45   128        1.9    5.3     71   200    31    88 *
 33  34   40     1.18    0.7    1.9    58   164       0.90    0.6    1.8    70   198        0.4    1.0     31    87    40   113
 37  38   43     0.77    0.5    1.5    68   192       0.88    0.6    1.7    69   194        0.3    0.9     40   114    35    99
 41  42   38     1.02    0.8    2.3    79   224       1.06    0.9    2.4    80   225        0.3    0.9     31    87    30    84
 45  46   44     2.02    1.4    3.9    68   193       2.01    1.6    4.5    79   224        0.7    2.0     35   100    36   100
 49  50   52     1.63    1.1    3.2    69   194       1.61    1.2    3.4    75   211        0.4    1.3     28    78    28    79
 53  54   53     1.03    0.8    2.2    76   216       0.69    0.5    1.5    76   214        0.5    1.5     50   142    75   213 *
  A   B   40    12.19    6.6   18.5    54   152      12.28    5.4   15.3    44   125        2.7    7.8     23    64    22    63
 57  58   56     3.82    2.5    7.2    66   187       3.74    2.4    6.8    64   181        1.1    3.2     30    85    31    86
 61  62   51     4.73    3.0    8.4    63   177       5.03    3.1    8.7    61   172        0.9    2.6     20    56    19    52
 65  66   47     0.41    0.3    0.9    75   213       0.39    0.3    0.9    83   236        0.2    0.6     52   148    55   155
 69  70   53     9.81    5.8   16.3    59   166       9.65    5.4   15.4    56   159        1.7    4.7     17    48    17    48
 73  74   55     1.60    0.9    2.6    58   165       1.71    1.0    2.8    59   167        0.6    1.6     36   102    34    96
 77  78   56    15.53    9.3   26.2    60   169      15.49    9.3   26.4    60   171        2.0    5.7     13    37    13    37
 81  82   62    12.26    7.1   20.0    58   163      12.23    7.1   20.0    58   164        2.1    5.9     17    48    17    48
 85  86   73     0.30    0.2    0.6    71   202       0.29    0.2    0.6    78   220        0.1    0.4     42   119    43   121
 89  90   79     1.83    1.4    3.8    74   209       1.71    1.1    3.1    65   183        0.5    1.3     25    72    27    77
 93  94   90     1.69    1.1    3.2    66   187       1.71    1.0    3.0    61   173        0.5    1.3     27    77    27    77
 97  98  113     1.90    1.4    3.9    73   206       1.83    1.3    3.6    70   197        0.6    1.8     33    94    35    98
101 102  114     1.67    1.1    3.0    64   181       1.74    1.1    3.2    66   187        0.4    1.2     26    74    25    71
105 106  106     1.51    1.0    2.8    65   183       1.60    1.0    2.7    61   171        0.5    1.4     32    89    30    85
109 110  123     6.86    5.0   14.1    73   206       6.91    5.0   14.3    73   206        1.1    3.0     16    44    15    44
113 114  123     0.83    0.6    1.6    68   193       0.83    0.6    1.6    70   199        0.3    0.9     39   111    39   111
117 118  140     0.69    0.4    1.1    55   154       0.67    0.4    1.1    56   158        0.1    0.4     21    58    21    59
121 122  175     1.55    1.1    3.3    74   210       1.52    1.0    3.0    69   194        0.5    1.3     30    84    30    86
125 126  167     1.44    0.9    2.6    63   178       1.44    0.9    2.6    64   182        0.4    1.2     30    86    31    86
129 130  205     0.39    0.3    0.8    69   194       0.38    0.3    0.8    73   207        0.1    0.4     36   101    37   104
133 134  213     0.38    0.3    0.8    77   217       0.38    0.3    0.8    76   215        0.1    0.4     37   105    37   103
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SULFATE SOUNDNESS, SODIUM, 25.0 MM TO 19.0 MM (CORRECTED PERCENT LOSS)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  A   B   40     6.14    3.0    8.6    50   140       5.96    2.8    7.9    47   132        1.1    3.1     18    51    19    53
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SULFATE SOUNDNESS, SODIUM, 19.0 MM TO 9.5 MM (CORRECTED PERCENT LOSS)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  A   B   40     3.99    1.7    4.9    44   124       4.15    1.8    5.0    43   120        0.5    1.4     13    36    12    34
 69  70   53     7.20    4.5   12.6    62   176       7.42    4.2   11.9    57   160        1.2    3.3     16    46    16    44
 73  74   56     1.43    0.9    2.5    62   174       1.44    0.8    2.2    54   153        0.5    1.3     33    94    33    94
 77  78   55    11.15    6.5   18.4    58   165      11.63    6.7   19.0    58   163        1.4    4.1     13    37    12    35
 81  82   62     9.62    5.1   14.3    53   149      10.06    5.3   15.1    53   150        1.6    4.6     17    48    16    46
 85  86   73     0.16    0.1    0.3    73   206       0.17    0.1    0.4    77   217        0.1    0.2     40   114    38   106
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SULFATE SOUNDNESS, SODIUM, 9.5 MM TO 4.75 MM (CORRECTED PERCENT LOSS)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  A   B   39     1.33    0.7    2.1    55   157       1.32    0.6    1.8    47   133        0.3    0.8     21    58    21    59
 69  70   53     1.32    0.8    2.3    61   173       1.37    0.8    2.3    58   165        0.3    0.7     20    55    19    53
 73  74   57     0.21    0.1    0.4    65   184       0.23    0.1    0.4    62   174        0.1    0.2     38   107    35   100
 77  78   54     2.73    1.6    4.6    60   170       2.35    1.5    4.2    63   178        0.4    1.1     14    40    16    46
 81  82   62     2.38    1.5    4.1    62   174       1.95    1.2    3.3    59   168        0.5    1.4     21    58    25    71
 85  86   72     0.06    0.1    0.2   109   308       0.06    0.1    0.2   100   282        0.0    0.1     73   207    68   194
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SULFATE SOUNDNESS, SODIUM, TOTAL (CORRECTED PERCENT LOSS)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  A   B   40    11.48    5.1   14.3    44   125      11.48    4.7   13.2    41   115        1.3    3.6     11    32    11    32
 69  70   53     8.52    5.1   14.5    60   170       8.79    4.8   13.7    55   155        1.3    3.6     15    42    14    40
 73  74   56     1.66    1.0    2.7    58   164       1.65    0.8    2.3    50   141        0.5    1.4     30    84    30    85
 77  78   55    14.24    8.1   23.0    57   162      14.30    8.2   23.2    57   162        1.5    4.3     11    30    11    30
 81  82   62    12.04    6.2   17.7    52   147      12.05    6.2   17.6    52   146        1.7    4.7     14    39    14    39
 85  86   72     0.23    0.2    0.5    75   213       0.24    0.2    0.5    79   224        0.1    0.2     30    85    29    81
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SULFATE SOUNDNESS, MAGNESIUM, 25.0 MM TO 19.0 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 15  16   12     8.06    3.2    8.9    39   111      18.14    7.2   20.4    40   113        4.6   13.0     57   161    25    72 *
 15 16A    9     7.72    2.3    6.4    29    83      13.83    8.2   23.2    59   168        5.1   14.4     66   187    37   104 *
 17  18    6     9.80    2.8    7.8    28    80       9.50    5.0   14.1    53   149        4.6   13.0     47   133    48   137
 17 18A    7     6.57    2.8    7.9    42   120       7.59    2.5    7.2    33    95        2.6    7.3     39   112    34    97
 21  22   10     0.43    0.4    1.1    89   252       0.27    0.2    0.5    61   173        0.3    0.8     64   180   104   293 *
 25  26   12     1.24    1.1    3.0    85   239       0.73    0.6    1.6    77   218        0.8    2.3     66   187   112   318 *
 29  30   19     7.90    3.4    9.6    43   121       7.90    3.4    9.7    44   123        2.5    7.2     32    91    32    91
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SULFATE SOUNDNESS, MAGNESIUM, 19.0 MM TO 9.5 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   14     0.58    0.5    1.4    87   246       2.33    1.2    3.2    49   139        0.9    2.7    162   458    40   114 *
  3   4   13     3.14    2.6    7.4    83   234       0.80    0.7    2.1    92   259        1.7    5.0     56   158   219   619 *
  5   6   12     0.61    0.4    1.0    58   164       0.24    0.1    0.4    52   146        0.2    0.6     32    91    81   228 *
  7   8   15    13.70   10.1   28.6    74   210       9.42    5.3   14.9    56   158        5.5   15.7     40   115    59   167 *
  9  10   14     0.44    0.5    1.3   104   294       0.73    0.7    2.0    98   277        0.3    0.9     69   194    41   117
 15  16   12    12.70    3.9   11.1    31    88      20.00    5.5   15.5    27    77        4.4   12.5     35    98    22    63
 15 16A    9    13.10    3.9   11.1    30    85      19.60    6.5   18.5    33    94        3.8   10.7     29    82    19    55
 17  18    7    10.35    1.6    4.6    16    44      11.24    2.5    7.2    23    64        2.1    6.0     20    58    19    53
 17 18A    8    10.15    2.2    6.3    22    62      11.24    3.7   10.6    33    94        3.2    8.9     31    88    28    80
 21  22   11     0.59    0.3    0.8    47   133       0.51    0.4    1.1    78   222        0.3    0.9     53   150    62   176
 25  26   12     1.85    0.9    2.6    50   142       1.31    0.5    1.5    41   115        0.5    1.4     27    76    38   108 *
 29  30   19     7.04    2.2    6.3    32    89      10.53    2.3    6.6    22    62        1.8    5.2     26    73    17    49
 33  34   21     0.95    0.7    2.0    76   214       0.81    0.4    1.2    55   154        0.4    1.2     44   124    52   146 *
 37  38   19     2.41    1.2    3.4    49   139       2.42    1.0    2.8    41   117        0.7    2.1     31    87    31    87
 41  42   20     3.20    1.3    3.7    41   116       3.28    1.4    4.0    43   121        0.7    1.9     21    61    21    59
 45  46   21     1.86    1.0    2.9    54   154       1.86    0.8    2.3    43   122        0.5    1.6     29    83    29    83
 49  50   26     4.86    2.9    8.1    59   168       4.55    2.2    6.1    47   134        1.3    3.6     26    75    28    80
 53  54   33     0.74    0.6    1.6    74   210       0.74    0.5    1.4    67   189        0.4    1.1     54   152    54   152
 57  58   23     0.84    0.6    1.7    70   199       0.75    0.3    0.8    39   109        0.4    1.0     42   120    48   135 *
 61  62   26     7.25    2.5    7.1    34    97       7.03    2.5    7.1    36   101        1.7    4.7     23    65    24    67
 65  66   25     0.48    0.4    1.0    72   205       0.45    0.3    0.8    63   179        0.3    0.7     52   148    56   159
 69  70   27    17.50    7.2   20.4    41   117      17.10    6.8   19.2    40   112        2.0    5.6     11    32    12    33
 73  74   27     3.26    1.6    4.4    48   135       3.53    1.8    5.1    51   145        0.8    2.4     26    73    24    68
 77  78   29    27.49   12.7   36.0    46   131      27.13   11.9   33.7    44   124        4.4   12.3     16    45    16    45
 81  82   24    25.63    5.5   15.6    22    61      24.40    5.4   15.2    22    62        3.1    8.7     12    34    13    36
 85  86   27     0.37    0.3    0.7    71   200       0.43    0.3    1.0    80   225        0.2    0.5     53   149    45   127
 89  90   33     4.19    2.7    7.6    64   181       4.18    2.8    7.8    66   187        1.0    2.9     25    69    25    70
 93  94   51     3.14    2.4    6.9    77   218       3.10    2.6    7.2    82   233        0.9    2.7     30    85    31    87
 97  98   40     3.02    2.0    5.5    65   184       3.72    3.0    8.3    79   224        1.5    4.3     51   143    41   116
101 102   50     2.28    1.4    3.9    60   171       2.95    1.9    5.3    64   181        1.0    2.8     43   122    33    94
105 106   47     2.29    1.1    3.0    47   132       1.90    0.9    2.6    48   136        0.7    1.9     29    81    35    98
109 110   54     9.63    6.2   17.5    64   181       9.41    6.3   17.8    67   189        1.5    4.3     16    45    16    46
113 114   47     1.08    0.6    1.7    55   157       0.90    0.5    1.5    60   170        0.3    1.0     32    89    38   107
117 118   61     0.38    0.3    0.8    78   221       0.36    0.3    0.8    77   216        0.1    0.3     32    91    34    95
121 122   69     1.12    0.6    1.7    53   149       1.01    0.5    1.3    45   127        0.4    1.0     32    89    35    99
125 126   85     1.69    1.3    3.7    78   219       1.86    1.2    3.5    66   188        0.5    1.3     27    76    24    69
129 130   94     0.57    0.5    1.4    85   239       0.54    0.5    1.3    85   240        0.1    0.4     25    72    27    75
133 134  107     0.80    0.5    1.3    58   165       0.79    0.4    1.3    57   160        0.2    0.5     24    67    24    68
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SULFATE SOUNDNESS, MAGNESIUM, 9.5 MM TO 4.75 MM (PERCENT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   15     0.48    0.5    1.4   102   288       3.45    2.2    6.1    63   177        1.4    4.0    294   831    41   116 *
  3   4   13     1.54    1.4    4.0    91   258       1.17    0.9    2.5    75   212        0.9    2.6     59   166    77   218
  5   6   11     0.29    0.3    0.7    86   243       0.17    0.1    0.2    38   107        0.2    0.5     58   163    98   278 *
  7   8   15    10.00    5.4   15.2    54   152       6.81    3.6   10.2    53   150        2.0    5.8     20    58    30    85
  9  10   14     0.29    0.3    0.7    88   249       0.91    0.6    1.8    68   192        0.5    1.4    168   476    53   149 *
 15  16   13    19.90    6.8   19.2    34    97      26.00    8.1   22.9    31    88        4.2   11.8     21    59    16    45
 15 16A    9    16.70    5.7   16.1    34    97      24.10    9.0   25.5    38   106        4.7   13.3     28    80    20    55
 17  18    7    12.10    4.7   13.2    39   109      10.10    4.2   11.8    41   117        1.0    2.8      8    23    10    28
 17 18A    8    11.37    3.4    9.6    30    85      10.47    2.2    6.3    21    60        1.5    4.2     13    37    14    40
 21  22   11     1.12    0.6    1.8    57   161       0.88    0.7    2.1    82   233        0.3    0.8     24    69    31    88
 25  26   12     3.55    2.5    7.1    71   200       2.52    2.0    5.8    81   230        1.1    3.1     31    87    43   122
 29  30   19     5.27    1.8    5.0    34    95      10.00    2.5    7.1    25    71        1.4    4.0     27    75    14    40
 33  34   21     1.76    0.8    2.4    47   134       1.56    1.1    3.1    69   196        0.4    1.3     25    71    28    80
 37  38   19     2.17    1.0    2.7    44   126       2.58    1.1    3.2    44   123        0.6    1.6     27    75    22    63
 41  42   20     2.98    1.6    4.5    54   152       2.82    1.3    3.8    47   134        0.6    1.8     21    59    22    62
 45  46   22     4.70    2.2    6.2    46   131       4.62    1.7    4.8    36   103        1.2    3.4     25    72    26    73
 49  50   25     8.16    3.9   11.2    48   137       7.23    3.8   10.8    53   149        1.7    4.9     21    60    24    67
 53  54   31     1.49    0.8    2.3    54   151       1.26    0.9    2.4    67   191        0.6    1.7     41   117    49   138
 57  58   24     2.89    1.5    4.2    51   145       3.30    1.9    5.4    58   163        0.5    1.5     18    51    16    45
 61  62   26    10.80    5.1   14.5    48   135      11.00    5.7   16.0    51   145        1.6    4.6     15    42    15    42
 65  66   26     0.73    0.4    1.1    52   148       0.64    0.4    1.0    55   154        0.2    0.6     29    82    33    93
 69  70   27    23.20   11.0   31.0    47   134      23.20    9.8   27.7    42   119        4.2   12.0     18    52    18    52
 73  74   26     3.32    1.6    4.7    50   140       3.20    1.5    4.2    47   132        0.8    2.1     23    64    24    67
 77  78   29    32.82   11.7   33.0    36   101      34.10   11.9   33.7    35    99        2.9    8.3      9    25     9    24
 81  82   23    34.66    4.7   13.4    14    39      34.76    5.9   16.6    17    48        2.6    7.2      7    21     7    21
 85  86   29     0.57    0.4    1.1    69   196       0.65    0.4    1.1    61   173        0.3    0.7     45   128    40   113
 89  90   32     8.06    5.2   14.8    65   183       7.85    5.2   14.7    66   188        0.9    2.4     11    30    11    31
 93  94   51     6.67    5.1   14.3    76   214       6.39    4.7   13.4    74   210        1.2    3.5     18    52    19    54
 97  98   41     6.36    4.7   13.3    74   209       6.14    4.3   12.2    70   198        1.9    5.4     30    85    31    88
101 102   48     6.33    4.7   13.3    74   211       6.75    4.9   13.8    72   205        1.3    3.6     20    56    19    53
105 106   47     3.39    2.0    5.7    60   168       3.52    1.9    5.3    53   150        0.9    2.7     28    78    27    75
109 110   52    12.18    8.2   23.1    67   190      11.90    8.1   22.8    68   192        1.8    5.0     15    41    15    42
113 114   49     1.70    0.9    2.6    55   156       1.70    0.9    2.5    52   147        0.5    1.4     29    83    29    83
117 118   61     0.74    0.5    1.5    73   205       0.67    0.5    1.4    73   208        0.2    0.5     22    63    24    69
121 122   73     1.79    1.0    2.8    56   159       1.65    0.8    2.2    47   132        0.5    1.4     27    77    29    83
125 126   82     3.01    2.0    5.8    68   193       3.10    2.1    5.9    67   191        0.9    2.5     29    81    28    79
129 130   93     0.62    0.4    1.0    57   161       0.57    0.3    0.9    57   161        0.2    0.6     32    90    35    99
133 134  103     0.77    0.5    1.4    63   178       0.81    0.5    1.4    60   170        0.2    0.6     29    82    28    78
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SULFATE SOUNDNESS, MAGNESIUM, 19.0 MM TO 9.5 MM (CORRECTED PERCENT LOSS)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 69  70   27    14.80    6.1   17.4    42   117      14.40    5.7   16.1    40   112        1.7    4.9     12    33    12    34
 73  74   27     2.64    1.3    3.6    49   138       2.74    1.4    4.0    51   145        0.7    1.9     26    73    25    71
 77  78   29    18.45    8.9   25.1    48   136      18.95    8.7   24.6    46   130        2.9    8.1     16    44    15    43
 81  82   24    17.93    4.8   13.5    27    75      17.63    5.0   14.1    28    80        2.4    6.8     14    38    14    39
 85  86   29     0.29    0.2    0.6    67   190       0.32    0.3    0.7    78   222        0.1    0.4     44   125    40   113
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SULFATE SOUNDNESS, MAGNESIUM, 9.5 MM TO 4.75 MM (CORRECTED PERCENT LOSS)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 69  70   27     3.10    1.5    4.2    48   136       3.14    1.4    3.8    43   122        0.6    1.7     19    55    19    54
 73  74   26     0.41    0.2    0.6    52   147       0.38    0.2    0.5    49   139        0.1    0.3     24    69    27    75
 77  78   28     5.74    2.2    6.2    38   109       5.22    1.9    5.5    37   105        0.8    2.1     13    37    14    41
 81  82   23     6.32    0.9    2.5    14    40       5.41    1.1    3.2    21    60        0.6    1.8     10    28    11    32
 85  86   27     0.10    0.1    0.2    64   182       0.11    0.1    0.2    62   175        0.0    0.1     36   101    33    94
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SULFATE SOUNDNESS, MAGNESIUM, TOTAL (CORRECTED PERCENT LOSS)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
 69  70   27    17.90    7.1   20.0    40   112      17.50    6.7   18.8    38   107        1.7    5.0     10    28    10    28
 73  74   26     2.95    1.4    3.9    47   132       2.98    1.3    3.7    44   125        0.7    2.0     24    67    23    66
 77  78   29    24.55   11.0   31.2    45   127      24.95   10.4   29.3    42   117        3.8   10.7     15    43    15    43
 81  82   23    25.57    4.4   12.5    17    49      24.20    5.0   14.2    21    59        2.6    7.4     10    29    11    31
 85  86   29     0.40    0.3    0.7    64   181       0.44    0.3    0.9    69   195        0.1    0.4     35    98    31    88
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UNIT WEIGHT, 1/2 CU.FT. MEASURE (POUNDS/CUBIC FOOT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   41     95.9    1.6    4.5   1.7   4.7       97.5    1.6    4.6   1.7   4.7       0.63   1.80    0.7   1.9   0.7   1.8
  3   4   38    102.3    2.4    6.8   2.3   6.6      108.9    1.9    5.3   1.7   4.9       1.02   2.89    1.0   2.8   0.9   2.7
  5   6   43     99.5    1.8    5.2   1.8   5.2      105.2    1.6    4.6   1.5   4.4       1.07   3.04    1.1   3.1   1.0   2.9
  7   8   38     90.9    2.5    7.2   2.8   7.9       92.8    2.4    6.7   2.6   7.2       1.11   3.14    1.2   3.5   1.2   3.4
  9  10   41    104.8    1.4    3.1   1.3   3.7      108.5    1.7    4.7   1.5   4.3       0.74   2.08    0.7   2.0   0.7   1.9
 21  22   46    104.6    2.1    6.1   2.0   5.8      108.5    2.8    7.8   2.6   7.2         --     --     --    --    --    -- *
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UNIT WEIGHT, 1/3 CU.FT. MEASURE (POUNDS/CUBIC FOOT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   13     97.4    2.2    6.2   2.3   6.4       98.3    2.5    7.0   2.5   7.1       0.88   2.50    0.9   2.6   0.9   2.5
  3   4   18    103.1    2.4    6.4   2.3   6.6      109.4    2.0    5.5   1.8   5.1       1.08   3.07    1.1   3.0   1.0   2.8
  5   6   17    100.5    1.9    5.3   1.9   5.3      106.1    1.8    5.1   1.7   4.8       0.79   2.24    0.8   2.2   0.7   2.1
  7   8   20     90.6    3.2    9.0   3.5  10.0       92.3    2.9    8.2   3.1   8.8       1.11   3.15    1.2   3.5   1.2   3.4
  9  10   20    105.2    1.8    5.2   1.7   4.9      109.0    2.2    6.1   2.0   5.6       0.85   2.40    0.8   2.3   0.8   2.2
 17  18   19    102.0    1.3    3.6   1.3   3.6      102.8    1.5    4.4   1.5   4.3       0.75   2.13    0.7   2.1   0.7   2.1
 21  22   25    104.7    1.5    4.4   1.5   4.2      108.5    1.4    3.8   1.3   3.5       0.66   1.86    0.6   1.8   0.6   1.7
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UNIT WEIGHT, 0.1 CU.FT. MEASURE (POUNDS/CUBIC FOOT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   11     96.6    1.3    3.8   1.4   3.9       98.6    1.6    4.5   1.6   4.6       0.87   2.45    0.9   2.5   0.9   2.5
  3   4    7    103.9    2.8    7.9   2.7   7.6      110.7    1.7    4.9   1.6   4.4       1.96   5.53    1.9   5.3   1.8   5.0
  5   6    5    102.8    2.0    5.6   1.9   5.5      106.8    1.8    5.2   1.7   4.9       0.33   0.93    0.3   0.9   0.3   0.9
  7   8   10     94.6    5.8    1.6   6.1  17.3       94.6    6.7    1.9   1.1   3.1       2.37   6.71    2.5   7.1   2.5   7.1
  9  10   10    104.5    2.2    6.2   2.1   6.0      109.9    2.3    6.5   2.1   6.0       0.86   2.44    0.8   2.3   0.8   2.2
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UNIT WEIGHT DATA FROM DIFFERENT SIZE MEASURES COMBINED (POUNDS/CUBIC FOOT)
                 MULTILABORATORY PRECISION            MULTILABORATORY PRECISION               SINGLE OPERATOR PRECISION
 SAMPLE   NO.               1st SMPL			        2nd SMPL		                  1st SMPL   2nd SMPL	
NUMBERS  LABS     AVG     1S    D2S   1S%  D2S%        AVG     1S    D2S   1S%  D2S%         1S    D2S    1S%  D2S%   1S%  D2S% 
  1   2   53     96.1    1.6    4.5   1.7   4.7       97.7    1.7    4.7   1.7   4.8       0.66   1.86    0.7   1.9   0.7   1.9
  3   4   57    102.4    2.3    6.4   2.2   6.2      109.1    1.9    5.3   1.7   4.9         --     --     --    --    --    -- *
  5   6   58     99.6    1.8    5.1   1.8   5.1      105.4    1.7    4.8   1.5   4.4       1.02   2.88    1.0   2.9   1.0   2.7
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