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fICZ ~ <br />ACZ laboraorirt, Inc. Lab Sample ID: LI4933-10 <br />36100 Downhill Orivr Client Sample lD: TR-/.S <br />Srrambaal Springs, CO 80487 Client Project ID: Edna Mine <br />(806) 334-5493 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 Warer <br />Metals Analysis <br /> t <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 />Alagncsium, dissolved M200.71CP 331 mg/L 0.4 2 8112/97 jaw <br />Manganese. dissolved M200.71CP 0.586 mg/L 0.005 0.03 8/7/97 ss <br />Potassium, 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 Chemist <br /> <br />Alkalinity as CaC03 M2320B <br />Bicarbonate u CaC03 716 mg/L 2 10 8/6/97 gm <br />Carbonate u CaC07 U mg/L 2 10 8/6/97 gm <br />Hydraside az CaC07 U mg/L 2 10 8/6!97 gm <br />Total Alkalinity 716 mg/L 2 10 8/6/97 gm <br />Cation-Anion Balancc Calculation <br />Cation-Anion Balance -2.6 % 8/14/97 talc <br />Sum of Anions 55.2 mcq/L 0.1 0.5 8/14/97 talc <br />Sum of Cations 52.4 meq/L OI OS 8/14/97 talc <br />Chloride M725.2 - Colorimetric (RFA) 12 mg/L I 5 8/6/97 jb <br />Conductivin• a 25C M120.1 - Mctcr 3380 umhas/cm I 10 8/5/97 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 O.I4 mg/L 0.02 0.1 8/5/97 jb <br />NitrateMitrite az N, dissolved M353.2 -Automated Cadmium Reduction 0.14 mg/L 0.02 0 1 8/5/97 jb <br />Nitrite az N. dissolved ~ M353.2 -Automated Cadmium Reduction U mg/1- 0.01 0.05 8/5/97 jb <br />pH (lab) MI50.1 - Elcctrometric 7.3 units 0.1 0.1 8/5/97 ss <br />Phosphorus, ortho dissolvcd M365.1 -Automated Ascorbic Acid U mg/L 0.005 0.03 8/5/97 jb <br />Residue, Filterable (TDS)QI80C M160.1-Gmvimetric 3510 mg/L 10 20 8/8/97 ac <br />Sulfate M375.3-Gravimctric 2310 mg/L 100 200 8/11/97 ac <br />TDS (calculated) Calculation 3350 mg/L 10 50 8/14/97 talc <br />TDS (ratio - measurcd/calculatcd) Calculation 1.05 8/14/97 talc <br />U = Analyze was analyzed for but not detectcd at the indicated MDL <br />B = Analyle concentration detectad at a value benvecn MDL and PQL <br />I'QI. =Practical Quantitalion Limit I <br />~~~~~ <br />Vice Prcsiden[ of Opcrations~ Ralph Poulson <br />REPIN 101.0395.01 Page 1 of 1 <br />