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t <br />^~~ <br />ACZlabo,warirs, /nc. Lab Sample ID: LI6061-03 <br />0400 Downhill Drivc Client Sample ID: 586215 <br />( Steamboat Springs, CO 80487 <br />Client Project ID: <br />(800) 374.549] ACZ Report ID: RG56614 <br />Cyptvs Yampa Valley Coal Corp Date Sampled: /0/11/97 11 :00 <br />29588 Routt County Road 27 Date Received: !0/11/97 <br />Oak Creek, CO 80467 Date Reported: 1 //17/97 <br />Tavis Rogers <br /> Sample Matrix: Surface Water <br />Field Data <br /> rr •tr <br />Conductivity (Field) Field Meazurement 600 umhos/em 10/21/97 em <br />pH (Field) Field Measurement 7.9 units 1021/97 cm <br />Temperature (Field) Field Meazurement 5.1 C IORI/97 cm <br />Metals Anal sis <br /> t ,t <br />Cadmium. total rccovcable M213.2 GFAA 0.0005 B mg/L 0.0005 0.003 11/5/97 fp <br />Calcium, dissolved M200.71CP 80.5 mg/L 0.2 1 11/5/97 jaw <br />Iron, [oral recoverable M200.7 ICP 3.41 mglL 0.01 0.05 11/5/97 jaw <br />Magnesium, dissolved M200.71CP 21.8 mg/L 0.2 I 11/5/97 jaw <br />Manganese, total recoverable M200.7 ICP 0.133 mg/L 0.005 0.03 11/6/97 jaw <br />Mercury, total recoverable M245.1 CVAA U mg/L 0.0002 0.001 10/30/97 bg <br />Molybdenum, total recoverable M200.7 ICP U mg/L 0.01 0.05 11/5/97 jaw <br />`Selenium. total recoverable SM 3500-Se C, AA•Hydride U mg/L 0.001 0.005 l 1/11/97 bg <br />Silver, total recoverable M272.2 GFAA U mg/L 0.0005 0.003 l 1/16/97 ss <br />Sodium, dissolved M200.71CP 18.1 mg/L 0.3 I 11/7/97 jaw <br />Zinc, total recoverable M200.7 ICP 0.04 B mg/L 0.01 0.05 11/6/97 jaw <br />Metals Pre <br /> t ,t r <br />Total Recoverable Digestion M3005 ICP 11/6/97 cj <br />Total Recoverable Digestion M3005 GFAA 11/4/97 laa <br />Wet Chemist <br /> r .. t <br />Alkalinity as CaC03 M310.1 <br />Bicarbonate az Bicarbonate 343 mg/L 2 10 II/I/97 ss <br />CarbonateazCarbonate U mg/L 2 10 II/I/97 ss <br />Hydroxide as Hydroxide U mg1L 2 10 II/1/97 ss <br />Total Alkalinity 281 mg/L 2 10 II/I/97 ss <br />Ammonia as N, un-ionized M350.1 -Calculation U mg/L 0.01 0.05 I I/I7/97 talc <br />Conductivity (325C M120.1-Meter 548 umhos/cm 1 ID II/1/97 ss <br />Hardness az CaC03 Calculation hazed on dissolved Ca & Mg 291 mg/L I 7 I (/17/97 talc <br />Lab Filtration '•' 1022/97 cj <br />Lab Filtration & AcidiOcation '•' 102797 cj <br />Nitrate az N. dissolved M353.2 -Automated Cadmium Reduction 0.25 mg/L 0.02 0.1 10/22/97 ss <br />NitmteMitrite az N, dissolved M353.2 -Automated Cadmium Reduction 0.25 mg/L 0.02 0.1 10/2'797 ss <br />Nivite az N, dissolved M353.2 -Automated Cadmium Reduction U mg/L O.OI 0.05 10/2797 ss <br />• Nitrogen. ammonia M350.1 -Automated Phcnatc 0.05 B mg/L 0.05 0.3 11/7/97 jb <br />1 •1 <br />U =Analyte waz analyzed (or but not detected at the indicated MDL <br />~B =Analyte concentration detected at a value between MDL and PQL ~ //, /~~~ <br />POL =Practical Ouanbtation Limit /C V <br />Vice President of Operations: Ralph Paulsen <br />Oc DII,HM m OS n, Penn 1 nr 7 <br />