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ACZ <br />ACZ labomrarirr, lnc. <br />30400 Downhill 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: Jay James <br />Lab Sample ID: L13796-OI <br />Client Sample ID: 300 <br />Client Project ID: <br />ACZ Report ID: RG444l0 <br />Date Sampled: S/14/97 !3:10 <br />Date Received: S/IS/97 <br />Date Reported: 6/16/97 <br />Sample Matrix: Surjace Water <br />Field Data <br />• 1 <br />Conductivin~ (Field) Field Meazuremen[ 1300 umhos/cm 5/14/97 jm <br />pH (Field) Field Measurement 7.8 units 5/14/97 jm <br />Temperature (Field) Field Measurement 10.0 C 5/14/97 jm <br />Metals Aoal sis <br />Calcium, dissolvcd M200.7 ICP 137 mg/L 0.2 I S/19/97 jaw <br />Iron, total M200.71CP 0.15 mg/L 0.01 0.05 5/17/97 ss <br />Magnesium, dissolved M200.7 ICP 91.7 mg/L 0.2 1 i/19P97 jaw <br />Manganese. total M200.71CP 0.119 mg/L 0.005 0.03 5/17/97 ss <br />Potassium. dissolvcd M200.71CP 3.8 mg/L 0.3 I 521/97 jaw <br />Sodium, dissolved M200.71CP 147 mg/L 0.3 I 5/19/97 jaw <br />Metals Pre <br />Total Hot Plate Digestion M3010 ICP 5/16/97 Ian <br />We[ Chemist <br /> '~ 1 <br />Alkalinity az CaC03 M310.1 <br />Bicarbonate u CaC03 405 mg/L 2 10 52?/97 ss <br />Carbonate u CaCOJ U mg/L 2 10 522/97 ss <br />Hydroxide as CaC03 U mg/L 2 10 522/97 ss <br />Total Alkalinity 405 mg/L 2 10 5/22/97 ss <br />Cation-Anion Balance Calculation <br />Canon-Anion Balance 3.7 °/. 6/16/97 talc <br />Sum of Anions 19.50 meq/L 0.01 0.05 6/16/97 talc <br />Sum of Cations 20.90 meq/L 0.01 0.05 6/16/97 talc <br />Chloride M325.2 - Colorimevic (RFA) 8 mg/L I 5 527/97 ss <br />Hardness as CaC03 Calculation hazed on dissolved Mg & Ca 719 mg/L I 7 6/16/97 talc <br />Lab Filtration "' 5/16!97 Iaa <br />Lab Filtration 8•. Acidification ••• 5/16/97 laa <br />Ni[rate az N, dissolved M353.2 - Automa[ed Cadmium Reduction U mg/L 0.02 0.1 5/17/97 jb <br />Niva[eMivite as N, dissolved M3i3.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 5/17/97 jb <br />Nitrite as N. dissolved M35J.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 5/17/97 jb <br />Residue, Filterable (TDS)QISOC M160.1-Gravimetric 1160 mg/L 10 20 6/10/97 ch <br />Residue.Non-Filterable (TSS)Q103-iC M160.2-Gravimetric U mg/L S 20 5/19/97 ms <br />.. <br />U =Analyte ss as analyzed for but not detected at the indicated MDL ~/ <br />B =Analyte concenvation detected at a value between MDL and PQL //~Q~~~ <br />PQL = Pmcucal Quantitazion Limit /C <br />Vice President of Operations: Ralph Poulson <br />REPIN101c.01.96.0[ Page 1 of 2 <br />