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ACZ <br />ACZ fnborabrirs, lnc. <br />30400 Downhill Drivr <br />SreamDoat Spnngt, CO 80487 <br />• (800) 334-5493 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay lames <br />Lab Sample 1D: L13319-0I <br />Client Sample ID: 300 <br />Client Project ID: <br />ACZ Report ID: RG41054 <br />Date Sampled: 4/3/97 00:00 <br />Date Received: 4/8/97 <br />Date Reported: 4/17/97 <br />Sample Matrix: Svrjace Water <br />Chloridc M326.2 - Colorimetric (RFA) 5 mg/L I 5 4/9/97 hm <br />Fluoride M340.2-ISE 0.4 B mg/L 0.1 0.5 4/9/97 jk <br />Hazdness as CaC03 Calculation baud on dissolved Mg & Ca 367 mg/L I 7 4117/97 talc <br />Lab Filvation "• 4/8/91 laa <br />Lab Filtration & Acidification "• 4/6/97 laa <br />Nivate as N, disulved M363.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 4/8/97 jb <br />Nitrate/Nivitc as N, dissolved M363.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 4/8/97 jb <br />Nitritc as N, dissolved M353.2 - Automazed Cadmium Reduction U mg/L 0.01 0.05 4/6/97 jb <br />Phosphorus, onho total M365.1 - Auomated Aswrbic Acid 0.153 mg/L 0.005 0.03 4/8/97 jb <br />Residue, Filterable (TDS) QI80C M160.1 -Gravimetric 660 mgR- 10 20 4/8/97 jk <br />Residue, Non-Filtcrable (TSS) ©103-6C M160.2 •Gravimetric U mg/L 5 20 4/8/97 jk <br />Sodium Absorption Ratio in Water USGS - 11738.78 1.64 0.03 0.15 4/17/97 talc' <br />Sulfate M375.3 •Gravimetric 310 mg/L 10 20 4/SN7 bgb <br />TDS (calculetcd) Calculation 641 mg/L 10 50 4/17/97 talc <br />TDS (ratio-measured calculated) Calcula[ion 1.03 4/17/97 talc <br />• <br />r, <br />U = Analyze wu analyzed for buI not detcctcd at the indicated MDL i <br />• ,B = Analyze concentration detected at a value between MDL and PQL ~' <br />~PQL =Practical Quantization Limit <br />~~ <br />Vice President of Operations: Ralph Poulson <br />REPIN701.03.95.01 Page 2 of 2 <br />