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COMMERCIAL TESTING & ENGINEERING CO. <br />GENERAL OFFICES: 1919 SOUTH HIGHLAND AVE., SUITE 210-B, LOMBARD, ILLINOIS 60146 • TEL: 630-953-9300 FAX: 630-953-9306 <br />SCE 190a~' ~~~r~ <br />• v L7 Member of the SGS Gmup (SocielA GAnerale oe Surveillance) <br />Committed To Excellence <br />' May 23, 2001 <br />TWENTYMILE COAL COMPANY <br />29515 ROUTT COUNTY ROAD 27 <br />Oak Creek CO 80467 <br />Kind of Sample WATER <br />Sample taken at EMPIRE <br />Sample taken by TWENTYMILE COAL COMPANY <br />Date Received May 3, 2001 <br />Analysis report no. 72-451130 <br />PARAMETER <br />Total Suspended <br />Solids, TSS <br />Fe (D) <br />Zi c, Zn(Dl <br />(Dl = Dissolved <br />Method Reference: <br />SAMPLE ID: 9P3 <br />SAMPLE DATE: 05/02/01 <br />SAMPLE TIME: 11:56 <br />FIELD TEMP: 11.1 <br />FIELD pH: 8.77 <br />FIELD EC: 16.43 <br />RESULTS UNITS METHOD <br />5 mg/L SM2540-D <br />150. ug/L EPA 200.7 <br />10 ug/L EPA 200.7 <br />ADDRESS ALL CORRESPONDENCE TO: <br />4665 PARIS STREET <br />SUITE 8-200 <br />DENVER, CO 80239 <br />TEL: 1303)373-4772 <br />FAX: (303) 373-4791 <br />www.tomteco.com <br />DETECTION ANALYZED <br />LIMIT DATE/TIME ANALYST <br />5 OS-04-2001/1015 JN <br />10 OS-23-2001/1230 JE <br />1 OS-23-2001/1230 JE <br />"Standard Methods for the Examination of water and Wastewater," <br />18th Edition, 1992; APHA-AWWA-WEF. <br />"Methods for the Determination of Metals in Environmental Samples," <br />EPA/600/4-91/010, June 1991- <br />RespecHully submitte4 <br />. <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />'~ ~. MM E~ <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 />.~ <br />)riginal Watermarked For Vour Protection TERMS AND CONDRIONS ON REVERSE <br />