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ACZ ' <br />AGZ laborararics, 2nc. Lab Sample 1D: L8141-03 ~ 111"°~ ~P' ~ "9 <br />3o900lbwnhiUDrivc Client Sample ID: NGSW <br />stemnboat Springy, Co 80487 Client Project ID: Reg. # 000435 <br />(sod) 33¢5493 ACZ Report ID: RG21118 <br />Colowyo Coal Company Date Sampled: 11/5/95 09.•15 <br />5731 State Highway l3 Date Received: 12/8/95 <br />Meeker, CO 81641 Date Reported: 1/9/96 <br />Jim Kiger <br />Sample Matrix: Grouxd Water <br />Metals Analysis <br />Arsenic, total recoverable M7060 GFAA 0.002 B mg/L 0.001 0.005 1/5/96 sh <br />Calcium, dissolved M60101CP 169.0 mg/L 0.2 1 1221/95 fp <br />Iron, total recoverable M60101CP 0.72 mg/L 0.01 0.05 1/3/96 ~rd <br />Lead, total recoverable M60101CP U mg/L 0.02 O.I 1!3/96 rd <br />Magnesium, dissolved M6010ICP 175.0 mg/L 0.2 I 1221/95 fp <br />Manganese, told recoverable M60101CP 0.595 mg/L 0.005 0.03 1l3N6 rd <br />Mercury, total recoverable M7470 CVAA U mg/L 0.0002 0.001 1220r95 jd <br />Selenium, ford SM 3500-Se C, AA-Hydride U mg/L 0.001 0.005 12/ISNS jd <br />Sodium, dissolved M60(OICP 89.7 mg/L 0.3 1 1221/95 fp <br />Zinc, told recoverable M6010ICP 0.02 B mg/L 0.01 0.05 1/3/96 rd <br />Total Recoverable Digestion <br />Totd Rewverable Digestion <br />Wet Chemist M3005 ICP <br />M3005 GFM 1/7!96 <br />12/96 jaw <br />jaw <br /> <br />Alkalinity as CaCO3 M2320B <br />Bicarbonate as CaCO3 506 mg/L 2 IO 17!14/95 ss <br />Carbonate as CeCO3 U mg/L 2 10 12/14/95 ss <br />Hydroxide as CaCO3 ~ U mg/L 2 10 17!14/95 ss <br />ToW Alkainiry 506 mg/L 2 10 12/14/95 ss <br />Conductivity Q25C M9050-Meter 2060 umhos/cm 1 10 12/15/95 ss <br />Hardnus as CaCO3 Calculation based on dissolved Mg & Ca 1140 mg/L 1 7 IN/96 talc <br />Lab Filtration ••• 12/1 1/95 ch <br />Lab Filtration do Acidification ••• 12/11/95 ch <br />Nitrate ss N, dissolved M353.2 - Automazed 0.05 B mg/L 0.02 0.1 12N/95 ss <br />NitrateMitrite as N, dissolved M353.2 - Automazed Cadmium Reductio 0.05 B mg/L 0.02 0.1 12!9/95 ss <br />Nitrite as N, dissolved M353.2 - Automared ~ U mg/L 0.01 0.05 1219/95 ss <br />Nitrogen, ammonia M350.1 - Aummated Phenarc 010 B mg/L 0.05 0.3 12/13/95 hm <br />pH (lab) M9040 - Elecwmetric 7.6 units 0.1 0.1 12/14/95 ss <br />Phosphorus, total M365.1-Automatsd Ascorbic Acid (dige 0.094 mg/L 0.005 0.03 1219/95 ss <br />Residue, Filterable (TDS)QISOC M160.1-Gnvimetric 1690 mg/L 10 20 12/9/95 jk <br />Residue,Non-Filterable (TSS)Q103-SC M160.2-Gravimetric 24 mg/L 5 20 12111/95 sak <br />Sodium Absorptlon Ratio in Water USGS -11738-76 1.17 0.03 0.15 ~Q'Jg <br />4 <br />Sulfate M3753-Gravimetric 790 mg/L 10 20 5 <br />b~ ~ ~S <br />k <br />, <br /> :: <br />t <br /> JAH 1995 <br /> <br />U = Mdyte was andyzed for but not detected ar the indicated MDL N V ED <br /> r ~ECEI <br />B = Mdyte wnantrarion demcroed at a vdue between MDL and PQL ~ r I ~^ b (1 <br />tom <br />rwc~~ <br />PQL =Practical Quantifation Limit . <br />Project Manager Scott Habermehl ~ <br /> <br />REPIN001.03.95.07 <br />Page 1 of 1 s2 V <br />~LZ9Z <br />~' <br />0 <br />