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Acz ~ <br />aCZ raborvlnries, lnc. Lab Sample ID: L137I6-0! <br />• 30400 Dowrthi!! Drive Client Sample ID: 300 <br />SreamFaar Springs, CO 80x87 Client Project ID: <br />(8001 334.5193 ACZ Report ID: RG43851 <br /> <br />Kerr Coal Co. Date Sampled: 5/7/97 15:10 <br />P.O. Box 487 Date Received: 5/9/97 <br />Walden, CO 80480 Date Reported: 5/13/97 <br />Jim Mossman <br />cc: Jay James Sample Matrix: Surface Water <br />Contluc[tnty(Fteld) Field Measurement 700 umhos/cm 5/7/97 jm <br />pH (Field) Field Measurement 7.1 units 5/7/97 jm <br />Tempero[ure (Field) Field Meaurement 15.0 C 5/7/97 jm <br />Metals Anal sis <br />Calcium, dissolved M200.71CP 70.3 mg/L 0.2 1 5/14/97 kr <br />Iron, [oral M200.71CP 0.22 mg/L 0.01 0.05 5/13/97 jaw <br />Magnesium. dissolved M200.7 ICP 39.9 mg/L 0.2 1 5/14/97 kr <br />Mangancsc, total M200.7 ICP 0.071 mg/L 0.005 0.03 5/13/97 jaw <br />Potazsium, dissolved M200.7 ICP 4.4 mg/L 0.3 1 5/14N7 kr <br />Sodium, dissolved M200.7 ICP 65.5 mg/L 0.3 1 5/14/97 kr <br />Metals Pre <br />Total Hot Platt Digestion M30101CP , 5/13/97 lax <br />Wet Chemist <br /> ~ '1 1 <br />AlkaliniryazCaC03 M310.1 <br />Bicarbonate as CaC03 202 mg/L 2 10 5/13/97 ss <br />Carbonate az CaC03 U mg/L 2 10 5/l3/97 ss <br />Hydroxide az CaC03 U mg/L 2 10 5/13N7 ss <br />Total Alkaliniry 202 mg/L 2 l0 5/13/97 ss <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance - 3.1 _ % 523/97 talc <br />Sum of Anions ws 9.19 ~ ~-meq/L 0.01 0.05 523/97 talc <br />Sum of Cations ~ ~' 9.78 ' meq/L 0.01 0.05 523/97 talc <br />Chloride M325.2 - Coloriinetric (RFA) 4 B ' ~ mg/L I 5 522/97 Icj <br />Hardness as CaC03 Calculation based on dissolved Mg 8c Ca 340 mg/L I 7 5/23/97 talc <br />Lab Filtration ••• SP9/97 laa <br />Lab Filtration & Acidification ••• \~~ 5/9/97 lax <br />Nitrate az N. dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 5/10/97 jb <br />NitraleMitrile az N, dissolved M353.2 -Automated Cadmium Reduction U mglL 0.02 0.1 5/10/97 jb <br />Nitrite az N, dissolved ~ h1353.2 - Automazed Cadmium Reduction U mg/L 0.01 0.05 5/10/97 jb <br />Residue, Filierablc (TDS)(r~I$OC ~ MI60.I-Grovimetric 550 mg/L 10 20 5/9/97 bgb <br />Residue.Nan-Filterable (fS5)Q103-SC M160.2-Grovimetric U mg/L 5 20 5/12N7 tw <br />Sodium Absorption Ratio in Water USGS-(1738.78 1.56 0.07 O.IS 523/97 talc <br />• e i <br />U =Analytc waz analyzed for but not detected at the indicated MDL ~ n <br />B =Analytc conccntration detected at a value between MDL and PQL ~ ,//~~~ <br />PQL =Practical Quantization Limit I, ///CCC <br />_ I Vice President of Operations: Ralph Poulson <br />REPIN701.03.95.01 Page 1 of 2 <br />