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1HN 3E, - 81 1 0: 0 7 FF'i-,H HAZE11 FESEARCH rn�� <br /> Hazen Research, Inc. DATE January 30, 1991 <br /> 4601 Indiana St. •Golden, Colo. 80403 HRI PROJECT 009-18 <br /> HAZEN Tel: (303) 279-4501 •Telex 45.860 HRI SERIES NO. K504/90-8 <br /> _ DATE RECD. 11/30/90 <br /> CUST P.O.# CE-2305E-M <br /> Coors Energy Company <br /> Mr. John Althouse <br /> Post Office Box 467 <br /> Golden, Colorado 80402-0467 <br /> REPORT OF ANALYSIS <br /> Toxicity Characteristic Leaching Procedure <br /> ------------------------------------------------------------------------------- <br /> SAMPLE NO. ' K504/90-2 <br /> SAMPLE IDENTIFICATION: BLR 5 Fly Ash <br /> ------------------------------------------------------------------------------- <br /> Result Limit Spike Date <br /> m¢/1 m4/l Recovery.% Method Completed <br /> Arsenic <0.01 5.0 80 EPA 206.4 1/4/91 <br /> Barium 1.6 100 107 SW846 6010 1/2/91 <br /> Cadmium 0.02 1.0 101 SW846 7130 1/2/91 <br /> Chromium <0.05 5.0 115 SW846 7190 1/2/91 <br /> Lead <0.1 5.0 99 SW846 7420 1/2/91 <br /> Mercury <0.0001 0.2 103 SW846 7470 12/21/90 <br /> Selenium 0.29 1.0 87 SW846 7740 1/4/91 <br /> Silver <0.05 5.0 99 SW846 7760 1/2/91 <br /> Extraction Fluid Used: 41 <br /> Date Extraction Started: 12/13/90 <br /> Final pH: 5.02 <br /> By: <br /> Ro ert Lostad <br /> Laboratory Manager <br /> NOTE: The leach was done according to the procedure specified in 40 CFR Part <br /> 261 Appendix II . <br /> Page 14 <br />