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T + •~ <br />_ Hazen Research, Inc. DATE July 3, 1996 <br /> <br />F{A 4601 Indiana St. • Golden. <br />5 Colo. 80403 HRI PROJECT 009=18 <br />~ Tel: (303) 279-4 <br />01 <br />HRI SERIES N <br />O <br />E594/96-A <br /> FAX: {303) 278-1528 . <br /> DATE RECD 5/29/96 <br /> COST. P.o.# 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 Character istic Leaching Procedure <br /> <br />SAMPLE NO. E594/96- <br />1 - --- ---- <br />SAMPLE IDENTIFICATION: Bear #3 Coal Ash <br />- _- _-__.. - -_ TCLP SP!KE_ _ _ __ _ __ ._ _ -- <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 SW846 7060A 6110196 DY <br />Barium <0.2 0.2 100 NR SW846 6010A 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 />~ead <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 SW8467740 6/t 0/96 DY <br />Silver <0.02 0.02 5.0 NR SW846 7760A 6110196 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 =Not Requested <br />Note: The Leach was done according to SW846 Method 1311. <br />ey: <br />Rob Rostad <br />Laboratory Manager <br />