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~ICZ <br />acz rnbwatorirs, rne. <br />30400 lbwnhi7t Drive <br />Steamboat Spnngr, CO 80487 <br />(800) 3345493 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: ]ay James <br />Lab Sample iD: L1371607 <br />Client Sample 1D: 317 <br />Client Project ID: <br />ACZ Report ID: RG43858 <br />Date Sampled: S/7/97 14:10 <br />Date Received: 5/9/97 <br />Date Reported: 5/13/97 <br />Sample Matrix: Surface Water <br /> Field Data <br /> Conductivity (Field) Field Mcazurcment 300 umhos/cm 5/7/97 jm <br /> pH (Field) Field Measurement 8.0 units 5/7/97 jm <br /> TemperaNrc (Field) Field Measurement 15.0 C 5/7/97 jm <br /> Metals Anal sis <br /> Calcium, dissolved M200.71CP' 36.0 mg/L 0.2 I 5/14/97 kr <br /> Iron, total M200.71CP 0.92 mg/L 0.01 0.05 S/13/97 jaw <br /> Magncsium, dissolved M200.7 ICP 10.3 mg/L 0.2 I 5/14/97 kr <br /> Manganese, total M200.7 ICP 0.027 B mg/L 0.005 0.03 5/13/97 jaw <br /> Potassium, dissolved M200.7 ICP 3.4 mg/L 0.3 I S/14/97 kr <br /> Sodium, dissolvcd M200.7 ICP 40.9 mglL 0.3 l 5!14197 kt <br /> Metals Pre <br /> Total Hot Plate Digestion M30101CP 5/13/97 laa <br /> Wet Chemist <br /> Alkalinity az CaC03 M310.1 <br /> Bicarbonate az CaC03 146 mg/L 2 10 5/13/97 ss <br /> Carbonate as CaC03 U mg/L 2 10 5/13/97 ss <br /> Hydroxide az CaC03 U mg/L 2 10 5/13/97 ss <br /> Total Alkalinity 146 mg/L 2 10 5/13/97 ss <br /> Cation-Anion Balance Calculation <br /> Cation•Anion Balance - 2.1 _ % 527/97 talc <br /> Sum of Anions ;tea _ 4.45 ~ _ meglL 0.01 0.05 523/97 talc <br /> ~" <br /> Sum of Cations ~ 4.67 ~meq/L 0.01 0.05 5/23/97 talc <br /> Chloride M325.2 - Colorimetric (RFA) 2 B' mg/L I 5 522/97 Icj <br /> Hardncss as CaC03 Calcularion based on dissolvcd Mg & Ca 137 mg/L I 7 5/23/97 talc <br /> Lab Filvation •'• 5/9/97 Iaa <br /> Lab Filvation & Acidification ••• ~ `, 5/9/97 Im <br /> Nitrate az N, dissolved M357.2 - Automatcd Cadmium Reduction U mg/L 0.02 0.1 S/10/97 jb <br /> Nitrate/Nivite u N, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 5/10/97 jb <br /> Nivite az N, dissolved ~ M353.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 5/10/97 jb <br /> Residue, Filterable (TDS) ~a1180C M160.1 -Gravimetric 250 mg/l. IO 20 5/12/97 tw <br /> Residue, Non-Filterable (TSS) (rJi 107-SC MI60.2 -Gravimetric 14 B mg/L 5 20 5/12/97 tw <br /> Sodium Absorption Ratio in Water USGS - 11738-78 1.54 0.03 0.15 523/97 talc <br />c i <br />U = Analyta waz analyzed for but no[ detected at the indicated MDL <br />!B =Analyze concenvation detected a[ a value between MDL and PQL <br />~.PQL =Practical Quantitation Limit <br />~Y ~!/~1 <br />Vice President of Operations: Ralph Poulson <br />REPIN[01.03.95.07 Page 1 of 2 <br />