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Acz <br />ACZ laborWOrier, lnc. <br />J0400 Downhill Onvt <br />• S(eomboN Springt, CO 80187 <br />(800) 334.5493 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, C0 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample ID: L13319-09 <br />Client Sample ID: 327 <br />Client Project ID: <br />ACZ Report ID: RG42062 <br />Date Sampled: 4/3/97 00:00 <br />Date Received: 4/8/97 <br />Date Reported: 4/!7/97 <br />Sample Matrix: Surface Water <br />Chloride M325.2-Calorimevic (RFA) 3 B mg/L I 5 4/9/97 hm <br />Fluoride h1340.2 - ISE 0.3 B mg/L 0.1 0.5 4/9/97 jk <br />Hardness as CaC03 Calculation based on dissolved Mg k Ca 13l mg/L I 7 4/17/97 talc <br />Lab FilUation •'• 4/8/97 laa <br />Lab Filvation & Acidification ••• 4/8/97 laa <br />Nitrate az N, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 4/8/97 jb <br />NitrateMitrite az N, dissolved M353.2 • Automated Cadmium Reduction U mg/L 0.02 0.1 4/8/97 jb <br />Nivite az N, dissolved M3531 -Automated Cadmium Reduction U mg/L 0.01 0.05 4/8/97 jb <br />Phosphorus, ortho [oral M365.1 -Automated Aswrbic Acid 0.105 mg/L 0.005 0.03 4/8/97 jb <br />Residue, Filterable (TDS) QI80C MI60.1 • Gravimetric 290 mg/L 10 20 4/8/97 jk <br />Residue, Non-Filterable (TSS) QI03-SC MI60.2 • Gravimetric 30 mg/L 5 20 4/8/97 jk <br />Sodium Absorption Ratio in Water USGS - 11738-78 1.73 0.03 0.15 4/17/97 talc <br />Sulfate M3753-Gravimevic IIO mg/L 10 20 4/8/97 bgb <br />TDS (calculated) Calculation 283 mg/L 10 SO 4/17/97 talc <br />TDS (ratio - meazurcd/calcula[ed) Calculation 1.03 4/17/97 tale <br />L_~ <br />• U =Analyte ..'az analyzed (or but not detected e[ Ne indicated MDL <br />B =Analyte concentration detected a[ a value between MDL and PQL <br />PQL =Practical Quantization Limit <br />REPIN70[.03.95.01 Page 2 of 2 <br />f'Y' <br />Vice President of Operations' Ralph Poulson <br />