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ACZ <br />ACZ /aborvbnrt, Inc. <br />30400 DownhrQ Drive <br />Sreamboa[ Springt, CO 80487 <br />(800) JJ4-5493 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample 1D: L13455-16 <br />Client Sample ID: AP-2 <br />Client Project ID: <br />ACZ Report ID: RG42871 <br />Date Sampled: 4/16/97 /1:30 <br />Date Received: 4/18/97 <br />Date Reported: 4/30/97 <br />Sample Matrix: Surface Water <br />Conductiviry (Field) Field Meazurcment 400 umhos/cm 4/17/97 jm <br />pH (Field) Field Measurement 7.3 units 4/17/97 jm <br />Tempcralure (Field) Ficld Measurement 7.0 C 4/17/97 jm <br />Metals Anal sis <br />Aluminum, dissolved M200.7 ICP U mg/L 0.03 0.2 4/22/97 jaw <br />Barium, dissolved M200.71CP 0.118 mg/L 0.003 O.OI 422/97 jaw <br />Boron, dissolved M200.7 ICP 0.05 mg/L 0.01 0.05 422/97 jaw' <br />Cadmium, dissolved M200.71CP U mg/L 0.003 0.02 422/97 jaw <br />Calcium, dissolved M200.7 ICP 54.7 mg/L 0.2 1 422/97 jaw <br />Chromium, dissolvcd M200.71CP U mg/L, 0.01 0.05 422/97 jaw <br />Copper, dissolvcd M200.71CP U mg/L 001 0.05 422/97 jaw <br />• Iron, dissolved M200.71CP 0.15 mg/L 0.01 0.05 4/22/97 jaw <br />Lead, dissolved M200.7 ICP U mg/L 0.2 I 4/23/97 ss <br />Irtagncsium, dissolved M200.7 ICP 36.5 mg/L 0.2 1 422/97 few <br />Manganese, dissolved M200.7 ICP 0.845 mg/L 0.005 0.03 422197 ss <br />Mercury, dissolved M245.1 CVAA U mg/L 0.0002 0.001 4/19/97 ch <br />Molybdenum. dissolved M200.71CP U mg/L 0.01 0.05 4/22/97 jaw <br />Nickel, dissolvcd M200.7 ICP U mg/L O.OI 0.05 422/97 ss <br />Potassium, dissolvcd M200.71CP 1.8 mg/L 0.3 I 422/97 jaw <br />Sodium, dissolved M200.71CP 51.7 mg/L 0.3 I 421197 jaw <br />Vanadium, dissolved M200.71CP U mg/L 0.005 0.03 422/97 jaw <br />Wet Chemist <br />Alkalinity az CaC07 M310.1 <br />Bicarbonate as CaC03 347 mg/L 2 10 4/19/97 jb <br />Carbonate az CaC07 U mg/L 2 10 4/19/97 jb <br />Hydroxide az CaC03 U mg/L 2 10 4/19/97 jb <br />Total Alkalinin~ 347 mg/L 2 10 4/19/97 jb <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 0.7 % 4/30/97 talc <br />Sum oCAnions ~ 8.00 meq/L 0.01 0.05 4/30/97 talc <br />Sum of Cations 8.12 meq/L 0.01 0.05 4/30/97 talc <br />Chloride M325.2-Colorimetric (RFA) 7 mg/L I 5 421/97 hm <br />Fluoridc M340.2 - ISE 0.4 B mg/L 0.1 0.5 4/29/97 bgb <br />t. <br />U =Analyte w;ts analyzed for but not detccted al the indicated MDL <br /> <br />B =Analyte concentration detected al a <br />value between MDL and PQL / <br />/~7 <br />/l Y 7 n <br />/~ <br />Mwf <br />/_~ <br />Jla'1 <br />PQL =Practical Quanlitation Limit <br />i Vice President of Opera tions: Ralph Poulson <br />REPIN101.03.95.01 Page 1 of 2 <br />