2008-02-22_PERMIT FILE - C1996083

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BOWIE #2 MINE UPPER B-SEAM ROOF AND FLOOR • u ANALYSIS BY: CT & E DATE SAMPLED: FOURTH QUARTER 2001 PARAMETER CONCEN TRATION A B C D E F MIN MAX Units U er B Roof U er B Floor H (t) 9.48 9.47 9.49 9.00 9.05 8.20 8.20 9.49 Ph Units Elect. Conductivi (1) 1.18 0.87 1.18 1.17 0.88 1.18 0.87 1.18 mmhos/cm Total Combustible Solids 10.67 16.14 9.71 9.33 12.6 8.85 8.85 16.14 Textural Anal sis SCL SL LS SL LS SL N/A Sand 62 80 82 78 82 82 62 82 Silt 12 8 8 6 8 6 6 12 Cla 26 12 10 76 t0 12 10 26 Saturation Percents a 29.0 30.7 30.8 28.5 33.6 32.7 28.5 33.6 SAR 26.9 22.5 31.0 25.7 21.3 34.2 21.3 34.2 - Calcium, soluble 1 0.31 0.23 0.28 0.33 0.25 0.23 0.23 0.33 m /L Ma nesium, soluble 1 0.08 0.1 0.00 0.12 0.1 0.00 0.00 0.12 m /L Sodium, soluble 1) 11.90 9.14 11.60 12.20 8.92 11.60 8.92 12.20 m /L Sulfur, P ritiC 0.10 0.2 0.15 0.80 0.30 0.62 0.10 0.80 Sulfur, Sulfate -0.01 -0.01 -0.01 -0.01 -0.01 -0.Ot -0.01 -0.01 Sulfur, Organic -0.01 0.09 -0.10 0.23 0.16 0.22 -0.10 0.23 Sulfur, Total 0.10 0.25 0.15 1.03 0.46 0.84 0.10 1.03 Sufur, Total AP 3.13 7.81 4.69 32.20 14.40 26.30 3.13 32.20 AP Ut000t Sulfur, Total ABP 127 112 97.3 65.3 114.00 43.0 43.00 127.00 ABT Ut000t Nitr en,Nitrate 1 0.41 0.86 -0.4 -0.40 0.42 -0.4 -0.40 0.9 m Cadmium, extractable 3 -0.01 -O.Ot -0.01 0.01 -0.01 0.02 -0.01 0.02 ppm Copper, extactable (3 1.1 1.20 1.1 1.4 1.3 1.0 1.00 1.4 ppm Arsenic, extractable (3) 0.2 0.08 0.03 0.35 0.15 0.21 0.03 0.4 ppm Boron, soluble (1) 7.5 5.5 9.1 9.6 8.2 12 5.5 12.0 m Iron, 3 41 32 38 43 52 68 32.0 68 m Lead, (3) 2.6 2.3 3.0 1.8 1.7 2.2 1.7 3.0 m Manganese, extractable (3) 3.3 2.6 3.3 2.7 5.30 1.9 1.9 5.3 ppm Mercury, extractable (4) -0.1 -0.1 -0.1 0.1 0.1 -0.1 -0.1 0.10 m Mol bdenum, exVactable (5) 0.13 0.11 0.08 0.09 0.07 0.1 0.07 0.1 pm Selenium, extractable 2) 0.04 0.03 0.04 0.05 0.07 0.06 0.03 0.1 m Zinc, extractable 3 0.8 1.1 1.7 1.0 1.8 2.3 0.8 2.3 m Neutralization Potential 130 120 102 97.5 128 69.3 69.3 130 V1000t Acid Base Potential 127 112 I 97 65 114 43.1 43.1 127 V1000t Note: Negative sign "-" indicates that the number is "Less Than" the method detection limit. (1) =Saturated Paste Extraction (2) =Hot Water Extracton (3) = AB-DTPA Extraction (4) = Acitl Extract (5) =Ammonium oxalate "A" DH - DD-D6X57-21 Roof Lower B-Seam "B" DH - OD-D6X27-26 Roof Lower B-Seam "C" DH - DD-D6X9-22 Roof Lower B-Seam "D" DH - DD-D6X57-21 Floor Lower B-Seam "E" DH - DD-D6X27-26 Floor Lower B-Seam "F" DH - DD-D6X9-22 Floor Lower B-Seam P>e-g AYPRoVC~ Y~~ s/o 3