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1 Acz <br />1 ACZ Laboratones, Inc. <br />30f00 Downhr!! Drrve <br />Sreamboar Sprrrtgs, CO 80f87 <br />(8007 33f-Sf93 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim fVtossman <br />cc: Jav James <br />Metals <br />Lab Sample ID: L20796-01 <br />Client Sample ID: 79-2 <br />Client Project ID: <br />ACZ Report [D: RG80a40 <br />Date Sampled: /0/20/98 09:50 <br />Date Received: !0/20/98 <br />Date Reported: 1 //5/98 <br />Sample Matrix: Ground Water <br />Aluminum. dissolvcd M200.71CP U mg/L 0.03 02 10/31/98 kr <br />Barium. dissols ed M200.71CP 0.267 mg/L 0.003 0.01 10/31/98 kr <br />Boron. dissolvcd M200.7 ICP 0.12 mg/L 0.01 0.05 10/31/98 kr <br />Cadmium, dissolvcd M200.71CP U mg/L 0.007 0.02 10/31/98 tr <br />C alcium. dissolved M200.71CP 22.1 mg/L 0.2 1 10/31/98 W <br />Chromium. dissolved A7200.71CP U mg/L 0.01 0.05 10/31/98 ~ <br />Capper, dissolvcd M200.7 ICP U mg/L O.OI 0.05 10/31/98 kr <br />Iron. dissolved M200.71CP 0.01 B mg/L 0.01 0.05 10/31/98 kr <br />Lead, dissolved M200.7 ICP U mg/L 0.04 0.2 10/31/98 kr <br />Magnesium, dissolved M200.7 ICP 9.2 mg/L 0.2 I 10/31/98 tr <br />Manganese. dissolvcd M200.7 ICP 0.109 mg/L 0.005 0.03 10/31/98 kr <br />M1tcrcury. dissolvcd M245.1 CVAA U mg/L 0.0002 0.001 11/3/98 bg <br />Molybdenum. dissolved M200.71CP 0.03 B mg/L 0.01 0.05 10/31/96 kr <br />Nickcl. dissolscd M200.71CP U mg/L 0.01 0.05 10/31/98 kr <br />Potassium, dissolved M200.7 ICP 3.0 mgJl.. 0.3 I 10/31N8 kr <br />Sodium. dissols ed M200.71CP 655 mg/L. 2 5 11/2/98 tr <br />Vanadium, J~isol.ed A1200.71CP U mg/L. 0.005 0.03 10/31/98 kr <br />We[ Chemistry <br />- <br />«~:~cins: . ~; ~ t ~~ t <br />Alkalinity as CaCOi M2320B <br />Bicarbonate a, CaC03 413 mg/L 2 10 10/24/98 s6 <br />('arbonate as CaCOJ 4 B mglL ? 10 1024x98 sts <br />Hydroxide as CaC03 U mp/L ? 10 10/24/98 sts <br />Total Alkalimn 416 mpJL 2 10 10/24!98 sls <br />Cation-Anion Balance Calculation <br />Caliun-Anion Balance 2.8 9o 11/5/98 wlc <br />1um ul Aniotn 29.1 meq/L O I 0.5 11/$/98 talc <br />Sum of Cations 30.8 meq/L 0.1 0.5 II/i/98 talc <br />Chloride M325.2-Colorimevic (RFA) 700 mg/L 10 50 10/31/96 ss <br />Fluoride M340.2-ISE I.4 mP/L. 0.1 0.5 1027/98 als <br />Hardness as CaC03 SM2340B-Calculation 93 mg/L 1 7 11/5/98 talc <br />Lab Filtration ••• 1021/98 ms <br />Lab Filtration d Acidification ••• 1021/98 ms <br />Nitiate as N. dissolvcd Calculation: NO3N02 minus N02 U mg/L 0.02 0.1 11/5/98 talc <br />NilrateMitrite u N, dissolvcd M353.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 1021/96 ss <br />Nitrite as N. dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 1021/98 ss <br />r i <br />U =Analyze ~. as analyzed for but not detected a[ the indicated MDL <br />B = Analytc conccnvation detccted at a value between MDL and PQL ~/~~ <br />PQL =Practical Quantization Limit <br />-___ Vice President ofOperations: Ralph Poulson <br />REPIN701 03.95.01 Page 1 of 2 <br />