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COMMERCIAL TESTING & ENGINEERING CO. - <br />GENERAL OFFlCES: 1918 SOUIH HIGHLAND AVE., SUITE 210.B, LOMBARD. IWNOIS fi0146 • TEL' 630.953-9300 FAX:630.953-9306 <br />SINCE 'e06 <br />V~ Mambar of the SGS Gmup ISociAtA GMArale tla 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 />Kind of Sample Water <br />Date Received September 10, 1998 <br />Analysis report no. 72-390321 <br />SAMPLE ID: 39 POND A <br />SAMPLE DATE: 09/09/98 <br />SAMPLE TIME: 08:15 <br />ADDRESS ALL CORRESPONDETICE TQ <br />0665 PARIS STREET <br />SUITE &200 <br />DENVER, CO 60239 <br />TEL (303) 3734772 <br />FAX: (303) 3734791 <br /> DETECTION ANALYZED <br />PARAMETER RESDLTS IINITS METHOD LIMIT DATE/TIME ANALYST <br />Calcium, Cd(D) 396 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 -16-1998/0900 JE <br />Iron, Fe(TR) 0.09 mg/L EPA 200. 7 0.01 09 -16-1998/0800 JE <br />Magnesium, Mg (D) 329 mg/L EPA 200. 7 0.1 09 -16-1998/0645 JE <br />Manganese, Mn(TR) 0.276 mg/L EPA 200. 7 0.005 09 -16-1998/0800 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, June 1991. <br />Respectfully submitted. <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />,.~ - „,~ M E M B E R <br />~-'' - <br />DenverLaboratory <br />OVER 40 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREgS. TIDEWATER AND GREAT LAKES PORTS, AND RIVER LOADING FACILITIES <br />=-465 <br />