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- Hazen Research, Inc. DATE July 3, 1996 <br />^zEN <br />F{ 460 1 Indiana St. • Golden. Colo. 80403 HRI PROJECT 009-18 <br />r Tel. 1303) 279 4501 <br /> <br />FAX <br />(303) 278-1528 HRI SERIES NO E594/96-A <br />• DATE RECD 5!29!96 <br /> CUST' P O p None Recd <br />Coors Energy Corp <br />Donald W MacDonald <br />PO Box 467 <br />Golden, CO 80402-0467 <br /> REPORT OF ANALYSIS <br /> Toxicity Characteri stic Leaching Procedure <br />SAMPLE NO. E594/96- 1 <br />SAMPLE IDENTIFICATION. Bear #3 Coal Ash <br /> TCLP SPIKE <br /> RESULT DETECTION LIMIT RECOVERY ANALYSIS <br />PARAMETER mg/I LIMIT mg/I % METHOD DATE ANALYST <br />Arsenic 0.124 0.005 5.0 NR SW8461O60A 6!10/96 DY <br />Barium <0.2 0.2 100 NR SW8466010A 6/10/96 CH <br />Cadmium 0.01 0.01 1.0 NR SW846 7130 6/10/96 PW <br />Chromium 0.02 0.02 5.0 NR SW846 7190 6/10/96 PW <br />.Lead <0.1 0.1 5.0 NR SW846 7420 6/10/96 PW <br />Mercury <0 001 0.001 0.2 NR SW846 7470A 6/18/96 SS <br />Selenium 0.04 0.01 1.0 NR SW846 7740 6/10/96 DY <br />Silver <0.02 0 02 5.0 NR SW846 7760A 6/10/96 PW <br />Date Extraction Started 06/05/96 6/5/96 DY <br />Extraction Fluid Used #1 6/5/96 DY <br />Final pH 5.51 6/6/96 DY <br />~R = Nol Requested <br />Note The Leach was done according to SW846 Method 137 t <br />By <br />Rob Rostad <br />Laboratory Manager <br />AHR-1996 -yl- <br />