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<br />COMMERCIAL TESTING & ENGINEERING CO. <br />GF1dERAL OFFICES: 1919 SOUTH HIGHLAND AVE.. SUf1E 210-B, LOMBARO. IWNOIS 60148 • TEL 630-953-9300 FA%: 630-953-9306 <br />SINCE ',908' <br />v ~ <br />September 22, 1998 <br />TWENTYMILE COAL COMPANY <br />29515 Routt County Rd. 27 <br />Oak Creek CO 80467 <br />Kind of Sample Water <br />G5 Member of the SGS Gmup ISoaetd Generale tle SurvaAlance) <br />1908-1998 90 Years Commir~:o To Excellence <br />SAMPLE ID: 84 POND D <br />SAMPLE DATE: 09/09/98 <br />SAMPLE TIME: 09:50 <br />Date Received September 10, 1998 <br />Analysis report no <br />PARAMETER <br />Conductivity <br />Settleable Solids <br />Total Dissolved <br />Solids, TDS <br />Total Suspended <br />Solids, TSS <br />pH <br />Hardness as <br />CaC03 <br />Method Reference: <br />72-390322 <br />ADDRESS ALL CORRESPONDENCE TO: <br />dfiGS PARIS STREET <br />SURE &200 <br />DENVER. CO 80239 <br />TEL (303) 373-4Ti2 <br />FAx: (303) 373-7791 <br /> DETECTION ANALYZED <br />RESIILTS DNITS METHOD LIMIT DATE/TIME ANALY: <br />3680 umhos/cm SM2510-B 0.1 09-10-1998/1330 i<_ <br /><0.1 ml/L/h SM2540-B 0.1 09-10-1998/1230 iC <br />4650 mg/L SM2540-C 10 09-11-1998/1100 -~ <br />6 mg/L SM2540-D 5 09-11-1990/1100 <br />7.85 s.u. SM4500H-B 0.01 09-10-1998/1300 iC= <br />2566 mg/L SM2340-B 1 09-15-1998/1000 :C. <br />"Standard Methods for the Examination of water and Wastewater," <br />18th Edition, 1992; APHA-A4747A-WEF. <br />Respecitully submittetl. <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />_ M E M B E R <br />_ i <br />Denver Laboratory r <br />OVER 40 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREAS. TIDEWATER AND GREAT LAKES PORTS. AND RIVER LOADING FACILITIES <br />--485 <br />