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ACZ ~ <br />ACZ LaBomrories, loc. Lab Sample ID : L/4933-10 <br />30400 Dowrrhifl Dnve Client Sample ID : TR-1.5 <br />Steamboat Springs, CO 80487 Client Project ID : Edna Mine <br />(800) JJ4-5493 ACZ Report ID : RG49030 <br />Pittsburg & Midway Coal Co. -Edna Mine Date Sampled : 8/4/97 /3:35 <br />P.O. Box 176 Date Received : 8/4/97 <br />Oak Creek, CO 80467 Date Reported : 8/!4/97 <br />Dusty Long <br /> Sample Matrix: Ground Water <br />Meals Anal sis <br /> r <br />Calcium, dissolved M200.71CP 470 mg/L 0.4 2 8/12/97 jaw <br />Iron, dissolved M200.71CP 0.18 mg/L 0.01 0.05 8/7/97 ss <br />Magnesium. dissolved M200.71CP 3J1 mg/L 0.4 2 8/12/97 jaw <br />Alanganese, dissolved M200.71CP 0.586 mg/L 0.005 0.07 8/7/97 ss <br />Potazsium, dissolved M200.71CP 7.4 mg/L 0.6 2 8/12/97 jaw <br />Sodium, dissolved M200.71CP 33.6 mg/L 0.6 2 8/12/97 jaw <br />Wet <br />Alkalinity as CaC03 M23206 <br />Bicarbonate u CaC03 316 mg/L 2 10 8/6/97 gm <br />Carbonate as CaC03 U mg/L 2 10 8/6/97 gm <br />Hydroxide as CaC03 U mg/L 2 10 8/6/97 gm <br />Total Alkalinity 316 mg/L 2 10 8/6/97 gm <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -2.6 % 8/14/97 talc <br />Sum o(Anions 55.2 meq/L 0.1 0.5 8/14/97 talc <br />Sum o(Cations 52.4 meq/L 0.1 0.5 8/14/97 talc <br />Chloride h1325.2-Colorimetric (RFA) 12 mg/L I 5 8/6/97 jb <br />Conductivity u25C M120.1-Meter 3380 umhos/cm I 10 6/5/97 ss <br />Lab Filtration ••• 8/5/97 gm <br />Lab Filtration & Acidification ••• 8/5/97 gm <br />Nitrate az N, dissolved M353.2 -Automated Cadmium Reduction 0.14 ntg/L 0.02 0.1 8/5/97 jb <br />Nitrate/Nitrite az N, dissolved M353.2 -Automated Cadmium Reduction 0.14 mgR. 0.02 0.1 8/5/97 jb <br />Nitrite as N, dissolved M357.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 8/5/97 jb <br />pH (lab) MI50.1 - Electrometric 7.3 units 0.1 0.1 B/5/97 ss <br />Phosphorus, ortho dissolved M365.1 -Automated Ascorbic Acid U mg/L 0.005 0.03 8/5/97 jb <br />Residue. Filterable (TDS)QIBOC M160.1-Gravimetric 3510 mg)L 10 20 8/8/97 ac <br />Sulfate M375.3-Gravimetric 2310 mg/L 100 200 8/11/97 ac <br />~fDS (calculated) Calculation 3350 mgR. 10 50 8/l4/97 talc <br />TDS (ratio -measured/calculated) Calculation 1.05 8/14/97 talc <br />,~ <br />U = Annlyic was analyzed for but not detected al the indicated MDL <br />IB = Analyze concenlralion detected at a vahre between MDL and PQL <br />PQI. = Pmclical Quantization Limit <br />Vice President ofOperalions: Ralph Poulsen <br />REPIN101.03.95.01 Page 1 of 1 <br />