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<br />COMMERCIAL TESTING & ENGINEERING CO. <br />GENERAL OFFlCES: 1919 SOUTH HIGHLAND AVE. SUITE 210.8, LOMBARD. I W NOIS 60149 • TEL• 630.853-9300 FAX: fi3b953-9308 - ~ - <br />SINCE +909: <br />5G5 Member o/ tha SOS Getup ISocietA GMerele tle Surveillance) <br />1908-1998 90 Years Committed To Excellence <br />September 22, 1998 <br />TWENTYMILE COAL COMPANY <br />29515 Routt County Rd. 27 <br />Oak Creek CO 80467 <br />Rind of Sample Water <br />Date Received September 3, 1998 <br />SAMPLE ID: 84 POND D <br />SAMPLE DATE: 09/02/98 <br />SAMPLE TIME: 12:10 <br />ADDRESS ALL CORRESPONDENCE 7T} <br />4665 PARIS STREET <br />SURE 8-200 <br />DENV6i. CO 80239 <br />TEL (303) 373-4772 <br />FAX: (303) 373791 <br />Analysis report no. 72-390097 <br /> DETECTION ANALYZED <br />PARAMETER RESIILTS DNITS METHOD LIMIT DATE/TIME ANALYST <br /> <br />Calcium, Ca (D) 454 mg/L EPA 200.7 0.1 09-16-1998/0645 JE <br />Copper, Cu (D) <0.005 mg/L EPA 200.7 0.005 09-15-1998/1315 JE <br />Iron, Fe(TR) 0.04 mg/L EPA 200.7 0.01 09-16-1998/0800 JE <br />Magnesium, Mg (D) 367 mg/L EPA 200.7 0.1 09-16-1998/0645 JE <br />Manganese, Mn(TR) 0.048 mg/L EPA 200.7 0.005 09-16-1998/0800 JE <br />Silver, Ag(D) <0.005 mg/L EPA 200.7 0.005 09-15-1998/1315 JE <br />D - Dissolved <br />TR - Total Recoverable <br />Method Reference: "Methods for the Determination of Metals in Environmental <br />Samples," EPA-600/4-91/010, Lune 1991. <br />Respecttully subm~tteo. <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br /> M E M B E F <br />`~~ ~vv-•-~ // <br />Denver Laboratory <br />OVER 40 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREAS. TIDEWATER AND GREAT LAKES PORTS. AND RIVER LOADING FACILITIES <br />F-465 ..-.. ... .. . _ -. <br />