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~~ACZ' <br />ACZ Laboratories, <br />30400 Downhill Drive <br />(.Sfeamboaf Springs, CO 80487 <br />(800) 3345493 <br />Cyprus Yampa Valley Coal Corp <br />29588 Routt County Road 27 <br />Oak Creek, CO 80467 <br />Karl Koehler <br />~ ~ <br />tat <br />Client Project ID: <br />ACZ Report ID: RG47867 <br />Date Sampled: 6/24/97 09:56 <br />Date Received: 6/14/97 <br />Date Reported: 7/24/97 <br />Sample Matrix: Surface Water <br />Canduaivity (Field) Field Measurement 1490 umhos/cm 6/24/97 tr <br />pH (Ficld) Field Meaurcment 7.7 units 6!24/97 tr <br />Tempemmrc (Field) Field Measurement 17.0 C 624/97 tr <br /> Cadmium, total rcwverable M213.Z GFAA U mg/L 0.0005 0.003 7/15/97 sh <br /> Calcium. dissolved M200.7 ICP 208 mg/L 0.2 I 7/19/97 jaw <br /> Iron, total recovemble M200.71CP 0.20 mg/L 0.01 0.05 7/11/97 jaw <br /> Magnesium, dissolvcd M200.7 ICP 74.6 mg/L 0.2 1 7119/97 jaw <br /> Manganese, total recoverable M200.71CP 0.029 B mg/L 0.005 0.03 7/11/97 jaw <br /> Mercury, total recoverable M245.1 CVAA U mg/L 0.0002 0.001 72/97 ch <br /> <br />• Molybdenum, total recoverable <br />Selenium. toW recoverable M200.7 ICP <br />SM 3500-Se C. AA-Hydride <br />0.005 U mg/L <br />mg/L 0.01 <br />0.001 0.05 <br />0.005 7/11/97 <br />7!3/97 jaw <br />ch <br />i Silver. total rewvemble M272.2 GFAA U mg/L 0.0005 0.003 7/11/97 sh <br /> Sodium. dissolved M200.71CP 57.4 mg/L 0.3 1 7/19/97 jaw <br /> Zinc, total recoverable M200.7 ICP 0.02 B mg/L 0.01 0.05 7/22/97 jaw <br /> Metals Pre <br /> ~ r r <br /> Total Recoverable Digestion M3005 ICP 7/15/97 laa <br /> Total Recoverable Digestion M3005 GFAA 7/11/97 tw <br />Alkalinity az CaC03 M310.1 <br />Bicarbonate az Bicarbonate 449 mg/L 2 10 7/8/97 gm <br />Carbonate az Carbonate U mg/L 2 10 7/8/97 gm <br />Hydroxide az Hydroxide U mg/L 2 10 7/8/97 gm <br />Total Alkalinity 366 mg/L 2 10 7/8N7 gm <br />Ammonia az N, tin-ionizcd M350.1 -Calculation U mg/L 0.01 0.05 7/24/97 talc <br />Conductivity Q25C M120.1 -Meter 1410 umhos/cm I 10 7(24/97 gm <br />Hardness az CaC03 Calculation based on dissolved Ca & Mg 827 mg/L 1 7 7!24/97 talc <br />Lab Filtration ••• 625/97 rd <br />Lab Filtration & Acidification '•• 625/97 rd <br />Nitratc as N, dissolved M353.2 - Automatcd Cadmium Reduction 0.35 mg/L 0.02 0.1 625/97 jb <br />NitratrlNitritc az N, dissolved M353.2 - Automatcd Cadmium Reduction 0.35 mg/L 0.02 0.1 6/25/97 jb <br />Nitrite az N, dissolved M353.2 - Automaed Cadmium Reduction U mg/L 0.01 0.05 625/97 jb <br />• Nitrogen, ammonia M350.1 -Automated Phcnare 0.05 B mg/L 0.05 0.3 7/12197 jb <br />r i <br />IU =Analyze was analyud for but no[ dctec[ed at the indicated MDL <br />IB =Analyze concentration detected at a value bctwecn MDL and PQL ,~/~~LM <br />PQL =Practical Quantization Limit I K p <br />I Vicc President of Operations: Ralph Poulsen <br />REPIN701.03.95.01 paOE 1 of 2_. _ _ _ _ _ <br />