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~~~ COMMERCIAL TESTING & ENGINEERING CO. <br />GENERAL OFFICES: 1919 SOUiH HIGHLAND AVE., SUITE 210-B, LOMBARD, ILLINOIS 60148 • TEL: 630-953-9300 FAX: 630-953-9306 <br />S <br />E 1908® cam~!!~+ <br />S <br />V7.7 Member o <br />~ f the SGS Group (SOCiet~ Gen~mle de Surveillance) <br />Committed TC Excellence ADDRESS ALL CORRESPONDENCE TO: <br /> 4665 PARI3 STREET <br /> SUITE B-200 <br />May 23, 2001 DENVER, C080239 <br />' TEL: (303) 373-4772 <br /> FAX: (30.3) 373-4791 <br />TWENTYMILE COAL COMPANY www.comteco.com <br />• 29515 ROUTT--COUNTY ROAD 27 .SAMPLE ID: 9P3 <br />-Oak-Creek CO 80467 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 />Rind 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 /> DETECTION ANALYZED <br />PARAMETER RESIILTS UNITS METHOD LIMIT DATE/TIME ,ANALYST <br />Total Suspended <br />Solids, TSS 5 mg/L SM2540-D 5 OS-04-2001/1015 JN <br />Fe (D) ~ 150 ug/L <br />~ EPA 200.7 10 05-23-2001/1230 JE <br />, Zn(D) 10 ug/L <br />Z EPA 200.7 1 05-23-2001/1230 JE <br />(D) = Dissolved <br />Method Reference: "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 />Respectfully submitted, <br />• <br />COMMERCIAL TESTING & ENGINEERING CO. <br /> <br />~C M E M B E R <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 />:-465 <br />)riginal Watermarketl For Vour Protection TERMS AND CONDRIONS ON REVERSE <br />