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APR.-1598f1~'ECI 14:29 COwdERCIAL. <br />TEL X03 a%3 4%9; P.C03 <br />C~~ COMMERCIAL TESTING & ENGINEERING CO. <br />GENEI4L OFFICES: 1010 eOVTN N((14~~liuND AVE. Su RE 11 D-B. LDM9AR0, RLRiOl9 60t:B .TEL' B]}06]•0]00 ~A%: 030.95}a]on <br />sm CG ~Bp~^~ ~sLis A1onGM Vl m~6d6 croup ISOUII: OInlraleW Su,.vNmoa) <br />1848-1998 80 Yvpr] CpmmMed Tp Elce/lencv AOORE55 ALL CORRESPONDENCE TO: <br />X863 PAR19 STREET <br />surtE a•zoo <br />ril 15, 1998 DENVER,(A B0P3p <br />' Rp TEL: 130]J 373.4772 <br />FA]: 003) J7C-<7B1 <br />MOUNTAIN COAL COMPANY <br />WEST ELK MINE SAMPLE ID 7TH NWHO SEAL <br />P.O. 90% 591 Sh`4PLE TIME: 01:00 PM <br />SCMEASET CO 81434 SAMPLE DATEI 03/27/98 <br />Kind of Sample Water <br />Date Received March 31, 1998 <br />Annlyeie report no. 72-379520 <br /> DETECTIOIP ANALYZED <br />pAAANETSR LT9 IINITS METHOD LIMIT DRTS/TINY ANALYST <br />Alkalinity. as <br />CaC03 2505 mg/L SM23'<0-B 0.5 04-07-1990/1430 HI, <br />Ammonia 1.21 mg/L 5"]4500NH3-F 0.05 04-03-1999/1145 DN <br />Bicarbonate <br />Alka'-inity,as HCC3 3054 mg/L SM232D-B D.5 04-07-1998/1430 KL <br />Carbonate, as <br />C03 <1 mg/L 5`72320-e 0.5 09-07-1998/1430 KL <br />Conductivity 6510 umho/cm SM2510-B 0.1 03-31-1998/1500 DN <br />Fluoride, F 2,56 mg/L 5M45D0-F-C 0.02 09-OB-1990/1415 AK <br />Nitrite, Nitrogen <br />N02-N <0.02 mg/L SM.a500N03-F 0.02 04-01-1998/0000 DN <br />nitrate, Nitrogen <br />N03-N c0.02 ma/L SM4500N03-F 0.02 04-01-1998/0800 DN <br />Settleable Solids <0.1 ml/L SM2540-9 0.1 03-31-1998/1230 KL <br />Total Dissolved <br />Sclid9, TDS 4624 mg/L SM2540-C 10 03-31-1998/1300 KL <br />Total Suspended <br />Solids, TSS <5 mg/L SM2540-D 5 04-03-1998/0000 KI. <br />Sulfate, S04 1210 mg/L SM4500SOq-C I 04-03-1999/0630 DN <br />Sulfide. 52 <0.1 mg/L SM450a5-E D.1 D3-31-1998/1500 AK <br />Total <br />Phosphorue, Y <0.1 mg/L SM4500P-E 0.1 04-09-1998/0700 KL <br />pH 7.83 e.u. SM4500H-B 0.01 03-31-1998/1500 DN <br />Hardness 10fi mg/L SM2340-B 1 Oa-03-1998/0845 KL <br />Chloride, C1 7fi mg/L SM4500-CL E 1 04-03-1998/1222 DN <br />Method Reference: "Standard Methods for the Examinat ion of water and Wastevater,^ <br /> 18th Edition, 1992; APHA-AWWA-WEF. <br />Ropecllu0y euomrtled, <br />COMMERCIAL TESTING l ENGINEERING CO. <br />^~`- MEMBER <br />/y~~ C/ <br />Om+pF C!t>ltary <br />OVFR ~a eRANON WDRATORIEE 4TIY7EDN:ALL7 lOd~TlD IN PII1NCIi•A1 COM MINING ARRAl, 71DeWATlR ANO 6RRA7 SaRCp PORTe, AND IInER LOAOINa FACIU7IE! <br />Race <br />OnplAy WIIeRNrhW For Your -lolvrlpn TlgM9 AND CONDBIDN6ON REVE,46E <br />