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i Acz .. <br /> .4CZ Laborzrarier, Inc. Lab Sample ID: L18110-02 <br />1 3aoo Downnirt Drava Client Sample ID: 327 <br /> Steamboat Springs, CO 80487 Client Project ID: <br />1 (800) 33~f-SJ93 ACZ Report [D: RG6636! <br /> Kerr Coal Co. Date Sampled: 4/(5/98 !3:30 <br /> P.O. Box -187 Date Received: 4//6/98 <br />1 Walden. CO 80480 Date Reported: 9/28/98 <br /> Jim Mossman <br /> cc: Jay James Sample Matrix: Surface Water <br /> <br />1 <br /> Field Data <br /> 1 1 <br />1 Cunduan~in iFmld) Field Measurement 700 umhos/cm 4/Li/98 jm <br /> pH (Fields Fleid Meaurement 82 units 4rU/Y8 /m <br /> T<mperature IFi<Id) Field Meaurement 4.0 C 4/15/98 jm <br />1 Metals Anal sis <br /> Calcium. dissolved M200.71CP 70.8 mg/L 0.2 I 424/98 kr/ss <br /> Iron, total M200.71CP 0.36 mg/L 0.01 0.05 4/27/98 kr <br />1 ~laenesium, dissolved M200.71CP 21 0 mg/L 0.2 I 4/24/98 kr/ss <br /> M1lansanes<. rural M200.71CP 0.073 mp/L O.OOi 007 3/27/98 kr <br /> Parazsium, dissolved h1'_0O.71CP 3.3 mg/L 0.3 I 3/2J/98 kr/ss <br />1 Sudium. dissoh ed M200.71CP 102 mg/L 0.3 I SRS/98 kr/ss <br /> i 1 1 1 <br />1 Tutu! Hot Platt Digestion M3010 ICP 424!98 laa <br /> Wet Chemist <br /> r , ~ ~ 1 <br />1 Alkalinity as CaC03 M310.1 <br /> B¢arbonateazCaC03 241 mg/L 2 IO 4/18/98 sts <br /> Carbonate u CaC03 U mg/L 2 10 4/18/98 sts <br />1 Hydro..<idc az CaC03 U mg/L 2 10 4/18/98 sts <br /> Total Alkalinity 241 mg/L 2 10 3/I 8/98 s[s <br /> Cation-Anion Balance Calculation <br />1 Cation-Anion Balance -I.5 % 428/98 talc <br /> Sum of Anions 10.1 meq/L 0.1 0.5 428/98 talc <br /> Sum of Cations 9.8 meq/L 0.1 O.i 4/28/98 talc <br /> Chlorid< M}25.2 - Colarimevic (RFA) 10 mg/L I 5 4/20/98 mh <br />1 Hardness az CaC03 Calculation hazed on dissolvcd Ca & Mg 263 mg/L I 7 4/28/98 talc <br /> Lab Filtration ••• 4/16/98 laa <br /> Lab Filtration d .4cidiflcation ••• 4/16/98 laa <br />1 Nitrate az N, dissolvcd M357.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 3/!6/98 ss <br /> Nitrnte.RJitrit< a `l, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 4/16/98 ss <br /> Nitritt az N, dissolved M3531 - Automatcd Cadmium Reduction U mg/L 0.01 0.0? 4/16/98 ss <br /> Residue. Filt<nble (TDS1 (a~I80C M160.1-Gravimevic 590 mg4, 10 20 4/17/98 cj/bk <br />' Residue, Non-Filt<rable (TSS) Ca 103-SC M1J 160.2 -Gravimevic U mg/L 5 20 3/21/98 cj <br />1 <br />1 <br />U =Analvte t.:az analyzed for but not detectcd at the indicated MDL <br />B =Analvte <onccnva[ion detcctcd at a value between MDL and PQL <br />PQL =Practical Quantimtion Limit <br />,PAP <br />Vice President of Operations: Ralph Poulson <br />REPIN701.03.95.01 Page t of 2 <br />1 <br />