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ACZ <br />.t CZ Laborafoner. /nc. <br />30400 Dowrthil! Drive <br />Steamboat Springs, CO 80187 <br />(800) 734-5193 <br />Kerr Coal Company <br />P.O. Box -187 <br />Walden, CO 80480 <br />George Patterson <br />cc: Jay James <br />Lab Sample ID: L/3543-09 <br />Client Sample ID: 327 <br />Client Project ID: <br />ACZ Report ID: RG-1321 <br />Date Sampled: x/23/97 02:25 <br />Date Received: d/25/97 <br />Date Reported: 5//2/97 <br />Sample Matrix: Surface Water <br />Conductivity IField) <br />pH (Field) <br />Temperature I Field) <br />Iron, total <br />Magnesium. dissolved <br />Manganese. total <br />Potusium. dissolved <br />Sodium, dissolced <br />:' <br />• ,Total Hot Plate DiBanon <br />Field Meaurement 400 umhos/cm 4/2;197 jm <br />Field Mcazuremenl 8.1 units 4/23/97 jm <br />Field Measurement 11.0 C 4/23/97 jm <br />M200.71CP 46.6 m8/L 0.2 1 429/97 I:r <br />M200.71CP 1.77 m@JL 0.01 0.05 4/29/97 jaw <br />M200.71CP 15.3 mg/l- 0.2 I 429/97 kr <br />M200.71CP 0.034 mg/L 0.005 0.03 4/29/97 jaw <br />M_'00.71CP 4.2 mg/L 0.3 1 4/29/97 u <br />M?00.7 ICP 62.6 m8/l. 0 3 I 4/29/97 kr <br />M3010 ICP <br />Alkalinirv as CaC03 M310 1 <br />Bicarbonate as CaC03 <br />Carbonate as CaC03 <br />Hvdrovide ai CaC03 <br />Toml Alkalinity <br />Canon-Anion Balance Calculation <br />Cmion-Anion Balance <br />Sum of Anions <br />Sum of Cmton> <br />Chloride M325.2 - Colorimetric (RFA) <br />Hardness ns CaC03 Calculation hazed on dissolved Mg & Ca <br />Lab Filtration "' <br />Lab Filtration k Acidification •" <br />Nitrate as N. dissolved M353.2 -Automated Cadmium Reduction <br />Nilrnte/Nitntr :u N. dissolced M353.2 -Automated Cadmium Reduction <br />Nitrite az N. dissolved M11353.2 -Automated Cadmium Reduction <br />Residue. Flhernble (TD9 it 190C M 160 I -Gravimetric <br />Residue.Non-Filterable (TSS)iin103^C M160.2 -Gravimetric <br />Sodium Absorption Ratio in Water USGS - 11738-78 <br />Sulfate M375.3 -Gravimetric <br />U = Analyze w az analyzed for but not detected a the indicated MDL <br />I <br />B = Analyze eoncentmtion deeded at a value benveen MDL and PQL <br />PQL = Pmnieil Ouantitation Limit <br />REPIN101 03.95 01 Page 1 of 2 <br />jaw <br />156 mg/L 2 10 4/25x97 jb <br /> U mg/L 2 10 421/97 jb <br /> U m8/L ? 10 4/25197 jb <br />156 mg/L '_ 10 425/97 jb <br />-2.3 % 5/12/97 colt <br />6.75 meq/L 0.01 0.05 5/12/97 talc <br />6.45 meq/L 0.01 0.05 5/12/97 talc <br />5 mg/L I 5 5/8!97 jb <br />179 mg/L I 7 5/12/97 talc <br /> 4/2597 ns <br /> 425/97 nt <br />7.7 mg/L 0.1 0.5 4/25/97 jb <br />7.7 mg/L 0.1 0 5 4/25197 jb <br /> U mg/L 0.01 0.05 425/97 jb <br />390 mp~L 10 20 4/30x97 nv <br />14 B mg/L 20 4/30x97 beb <br />2.06 0 03 0.15 5/1:/97 talc <br />140 m /L 10 20 5/7/97 b¢b <br />__ ~//vLCII//L <br />Vice President of Operations: Ralph Poulson <br />