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BOWIE MINE REFUSE -CHEMICAL CHARACTERISTICS <br />• <br />COMMERCIAL TESTING & ENGINEERING CO. <br />GENERAL OFFlCES: 1918 SOUiH HIGNI.WD AVE, SUIIE 110-8. 1.OMBWD.1WN013 ED1N • TFl 930.9539109 FN[ &7D953~930G <br />SINGE i90e :~ ~p~G~l <br />April 21, 1999 <br />POWDERHORN COAL COMPANY <br />P.O. Box 1430 <br />PALISADE CO 81526 <br />Mwnbs Ol Or 909 Gr9up ISOaM GbIMN~ E~ Sv~wlWlal <br />PLEASE ADDRESS ALL CORRESPoNDENGE TO: <br />4965 PARIS STREET <br />SURE &100 <br />DENVER. CO 90139 <br />TEL (3031373-4772 <br />FAX (70.71373-4797 <br />Sample ideatificatioa by <br />POWDERHORN COAL COMPANY <br />SAMPLE ID: PLANT REF[7SE 3/17/99 <br />Eiad Ot sample PLANT REFUSE <br />Sample takes by POWDERHORN COAL COMPANY <br />Date received March 31, 1999 <br /> <br />• <br />Aaalysia report ao. 72-402485 <br />PARAMBTBR RSSIILTS DNITS <br />pH 7.98 s.u. <br />Conductivity 2.52 nunhos/cm <br />Saturation Percent 25.72 } <br />Nitrate/Nitrite 3.4 ppm <br />N03/N02-N <br />Total Combustible Solids 23.1 } <br />Total Organic Sulfur 0.12 } <br />Total Pyritic Sulfur 0.23 } <br />Total Sulfate Sulfur <0.01 } <br />Total Sulfur 0.36 } <br />Acid Base Potential 7.29 T/1000 T <br />Neutralization Potential 19.0 T/1000 T <br />Maximum Acid Potential ~ 11.71 T/1000 T <br />Texture <br />} Clay 21 <br />} Sand 68 <br />} SS1C 11 <br />I <br />I <br />I <br />Lithologic Classification Sandy Clay Loam <br />Results: Results are reported as indicated, on a dry basis. <br /> <br />Re9pec11WN wbm199tl, <br />COMMJEACVLL TESTING d ENGINEERING CO. <br />Dwlwjr/LabaelorY <br />OYER b 9RANON IADOAA70R1E9 9TRAiE01CALLT IACATEp IN PRINCIPAL COAL MININO AREAS, TmEWATFR AND ORFaT I.ARF.9 POM$ AND RIPER LOAOINO FACILRIE9 <br />F-MS <br />Onoina Ylalerm~.neo For ~ovr Fro:ecoon T9iW App LONOIIpN3Op pE9ERSE <br />VOL 2 Tab 6 APPENDIX 6-2 PAGE 7 8. 3. 99 <br />