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1 <br />1 <br />Acz <br />Acz /aborarnrfea, lee. <br />3POA0Ibwn/ri0 Drive <br />Sfeaarboaf Springs, CO 80487 <br />(dool J34-5493 <br />Kerr Coal Company <br />P.O. Box 487 <br />Walden, CO 80480 <br />George Patterson <br />Lab Sample ID: L9360-18 <br />Client Sample ID: 79-2 <br />Client Project ID: <br />ACZ Repoli ID: RG25182 <br />Date Sampled: 4/18/96 IS:00 <br />Date Received: 4/22/96 <br />Date Reported: 4/30/96 <br />Sample Matrix: Sffrface Water <br />1 .rr~ <br />Field Data <br />Conductivity (Field) Field Measurement 2500 umhos/cm 4118/96 jm <br />pH (Field) Field Measurement 8.1 units 4/18/96 jm <br />Temperatwe (Field) Field Meastuement 8.0 C 4/18% jm <br />Calcium, dissolved <br />Iron, dissolved <br />Magnesium, dissolved <br />Manganese, dissolved <br />Potassitur4 dissolved <br />Sodium, dissolved <br />Wet Chemist M200.7 ICP <br />M200.7 ICP <br />M200.7ICP <br />M200.11CP <br />M200.7 ICP <br />M200.71CP 12.0 <br />0.04 <br />2.1 <br />0.023 <br />4.0 <br />645.0 <br />B <br /> <br />B mg/L <br />mg/L <br />mg/L <br />mg/L <br />mglL <br />mg/L 0.2 <br />0.01 <br />0.2 <br />0.003 <br />0.3 <br />0.3 1 <br />0.05 <br />1 <br />0.03 <br />I <br />1 423196 <br />429N6 <br />423N6 <br />423% <br />425N6 <br />425% rs <br />rs <br />rs <br />n <br />rs <br />rs <br />Alkalinity n CaC03 M310.1 <br />Bicarboneta ss CaC03 412 mglL 2 10 423% ss <br />Carbonate as CaC03 U mg/L 2 10 423% ss <br />Hydroxide as CaC03 U mg/L 2 10 423% ss <br />Tool Alkalinity 412 mg/L 2 IO 423% ss <br />Cazion-Mion Balance Cdculation <br />Cation•Mion Balance a.2 % 4130% talc <br />Sum of Mioro 31.80 meq/L 0.01 0.05 4130% talc <br />Sum of Cations 29.30 meglL 0.01 0.03 4/30% talc <br />Chloride ~ M323.2 - Colorimetric (RFA) 840 mg/L 20 100 429196 hm <br />Hardness as CaC03 Calculation baxd on dissolved Mg & W 39 mglL 1 7 4130% talc <br />1~6 Filtration ••• 423% ehfjw <br />lab Filtration A Acidification ••• 423N6 jaw <br />Nitrate m N, dissolved M333.2 • Automated 0.71 mg/L 0.02 0.1 423% ss <br />NitrareMitrite as N, dissolved M333.2 • Aummered Cadmium Reductio 0.71 mg/L 0.02 0.1 423N6 ss <br />Nitrite ss N, dissolved M333.2 - Aummated U mglL 0.01 0.05 423% ss <br />Residue, Filterable (TDS)QIBOC M160.1-Gravimettic 1730 mg/L 10 20 42b96 jk <br />Sodium Absorption Ratio in Water USGS • 117)8.78 45.70 0.03 O.IS 4130% talc <br />Sulfate M373.3-Gnvimetric U mg/L 10 20 423N6 jk <br />TDS (calculated) Calculation 1750 mg/L 10 50 4130% ulc <br />TDS (ratio-measured/calculated) Calculaion 0.99 4A0/96 talc <br />I <br />U = Malyte was analyud for but not detected az the indicated MDL <br />B = Analyze concentration detected a[ a value between MDL and PQL i <br />PQL- Practical Ouantitation Limit - <br />REPINtOt 07 95 Ot P'+ae t of <br />/{Y>- <br />Vice President of Operations: Ralph Paulsen <br />