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_ Hazen Research, Inc. <br />FIAZEN 4601 Indiana St. • Golden. Coto. 80403 <br />S Tel. (303) 279-4501 • Telex 45-860 <br />FAX: (303) 278-1526 <br />Coors Energy Corp. <br />Donald W. MacDonald <br />PO Box 467 <br />Golden, CO 80402-0467 <br />DATE February 14,1996 <br />HRI PROJECT 009-18 <br />HRI SERIES NO. A157/96-B <br />DATE RECD 1!10!96 <br />COST. P.O.# None Recd <br />REPORT OF ANALYSIS <br />Toxicity Characteristic Leaching Procedure <br />SAMPLE NO. A157/96.2 <br />SAMPLE IDENTIFICATION: #5 Fly Ash 11/30/95 <br />(Originally L363/95-5 Trigen) <br /> TCLP SP1KE <br /> RESULT DETECTION LIMIT RECOVERY <br />PARAMETER mg/I LIMIT mg/I % METHOD <br />Arsenic 0.024 0.005 5.0 NR SW846 7060A <br />Barium 0.7 0.5 100 NR SW846 6010A <br />Cadmium 0.01 0.01 1.0 NR SW846 7130 <br />Chromium 0.04 0.02 5.0 NR SW846 7190 <br />~ead 0.2 0.1 5.0 NR SW846 7420 <br />Mercury <0.001 0.001 0.2 NR SW846 7470A <br />Selenium 0.06 0.01 1.0 NR SW846 7740 <br />Silver <0.02 0.02 5.0 NR SW846 7760A <br />Dale Extradion Started 01/22/96 <br />Extraction Fluid Used #2 <br />Final pH 4.63 <br />~R =Not Requested <br />Note: The Leach was done according io SW846 Method 1311. <br />ANALYSIS <br />DATE ANALYST <br />2/1/96 DY <br />2/1/96 CH <br />2/1/96 PW <br />2/1/96 PW <br />2/1/96 PW <br />2/6/96 SS <br />2/1/96 DY <br />2/1/96 PW <br />1/22/96 LW <br />1/22196 LW <br />1/23/96 LW <br />By: <br />Robert Rostad <br />Laboratory Manager <br />-85- <br />