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: ~z ~: <br />~ :~ ~~ <br />il i illllllll llll 111 <br /> : . <br />ACL labomfaries, lnc. Lab Sample ID: L7I75-03 <br />30400 Downbifr Dnvc Client Sample ID: A-6 !Yell <br />Sfeamboae Springs, CO 80487 Client Project ID: 10680-95s <br />(800) 334-5493 ACZ Report ID: RGI5949 <br />Colowyo Coal Company Date Sampled: 9/13/95 00: 00 <br />5731 State Highway 13 Date Received: 9//5/95 <br />Meeker, CO 81641 Date Repotted: 10/5/95 <br />Juan Garcia <br /> Sample Matrix: Ground Warer <br />Metals Anal sis <br /> „ - <br />' r <br />Arsenic, total recovcmble M206.2 GFAA U mg/L <br />0.001 D.005 927/95 sh <br />Calcium, dissolved M200.7 ICP 58.8 mg/L 0.2 1 923/95 rd <br />Iron, total recoverable M200.7 ICP 1.82 mg/L 0.01 0.05 10/4/95 rs <br />Lead, total recovcmble M200.7 ICP U mg/L 0.02 0.1 10/4/95 rs <br />Magnesium, dissolved M200.7 ICP 53.0 mg/L 0.2 I ~ 923/95 rd <br />Manganese, total recoverable M200.7 ICP 0.039 mg/L O.OGS 0.03 10/4/95 rs <br />Mercury, total recovcmble M245.1 CVAA U mg/L 0.0002 0.001 926!95 jd <br />Selenium, total recoverable SM 3500-Se C, AA-Hydride U mg/L 0.001 0.005 923/95 jd <br />Sodium, dissolved M200.7 ICP 130.0 mg/L 0.3 1 923/95 rd <br />Zinc, total recoverable M200.7 ICP 0.01 B mg/L 0.01 0.05 10/4195 rs <br />Total Recoverable Digestion M3005 GFAA 9(12195 jaw <br />Wet Chemist <br />L ;~_ee`I°Tii73rS`::+4 ~: "^,3^"_=-r `~ .~ n ".~-`t]IkF.k!af;iT7t&'?+---sv-'~. °~'~'n' tr:rli111t? ri_remn te~t_rlitf[q; `_ =!,57Bfc ; ti217K ~:1i7Yr5_+C^c- ~~ <br />Alkalinity as CaC03 M2320B <br />Bicmbonate as CaC03 524 mg/L 2 10 9/16/95 ss <br />Carbonate as CaC03 U mg/L 2 10 9/16/95 ss <br />Hydroxide az CaC03 U mg/L 2 10 9/16/95 ss <br />Total Alkalinity 524 mg/L 2 10 9/16/95 ss <br />Conductivity Q25C M120.1 -Meter 1090 umhos/cm I 10 9/16/95 ss <br />Hardpess as CaC03 Calculation hazed on dissolved Mg & Ca 365 mg/L 1 7 IO/5/95 talc <br />Lab Filvation ••• 9/18/95 jaw <br />Lab Filvation & Acidification ••• 9/18/SS jau~ <br />Nivate az N, dissolved M353.2 - Automated 0.07 B mg/L 0.02 0.1 9/16195 ss <br />NiveteMivite az N, dissolved M353.2 - Automated Cadmium Reductio 0.07 B mg/L 0.02 0.1 9/16/95 ss <br />Nivite az N, dissolved M353.2 -Automated U mg/L 0.01 0.05 9/16/95 ss <br />Nivogen, ammonia M350.1 -Automated Phonate 1.69 mg/L 0.05 0.3 9/19/95 hm <br />pH (lab) M9040-Elccvometric 7.5 units 0.1 0.1 9/16/95 ss <br />Phosphoms. total M365.I-Automated Ascorbic Acid (dige 0.044 mg/L D.005 0.03 985/95 ss <br />Residue, Filterable (TDS)QIBOC M160.1-Gravimetric 650 mg/L 10 20 9/19/95 jk <br />Sodium Absorption Ratio in Water USGS -11738-78 3.00 0.03 0.15 10/5/95 talc <br />Sulfate M375.3-Gmvimetric 119 mg/L 4 B 923/95 jk <br />, ~ <br />U = Analyte was analyud for but not detected at the indicated MDL <br />B = Analyze concenvation detected at a value between MDL and PQL <br />PQL =Practical Quantiiation Limit <br />Vice President of Operations: Ralph Poulson <br />