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JAIL 3fa ' 9l 1 n: fJ6 FF.Ci19 HAZEN RESEHF'-_H HH,nt . Liu— <br /> _ Hazen Research, Inc. DATE January 30, 1991 <br /> 4601 Indiana St. • Golden. Colo. 80403 HRI PROJECT 009-18 <br /> WNZEN Tel: (303)279.4501 •Telex 45-860 HRI SERIES NO. K504/90-A <br /> _ DATE RECD. 11/30/90 <br /> CUST P.O.* CE-23058-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. K504/90-1 <br /> SAMPLE IDENTIFICATION: BLR 5 Bottom Ash <br /> ------------------------------------------------------------------------------- <br /> Result Limit Spike Date <br /> Mg/1 m¢/l Recovery.X Method Completed <br /> Arsenic <0.01 5.0 83 EPA 206.4 1/4/91 <br /> Barium <0. 1 100 109 SW846 6010 1/2/91 <br /> Cadmium <0.01 1.0 99 SW846 7130 1/2/91 <br /> Chromium <0.05 5.0 119 SW846 7190 1/2/91 <br /> Lead <0.1 5.0 99 SW846 7420 1/2/91 <br /> Mercury <010001 0.2 102 SW846 7470 12/21/90 <br /> Selenium 0.03 1.0 75 SW846 7740 1/4/91 <br /> Silver <0.05 5.0 99 SW846 7760 1/2/91 <br /> Extraction Fluid Used: #1 <br /> Date Extraction Started: 12/13/90 <br /> Final pH: 4.74 <br /> By: / <br /> Robert Astad <br /> Laboratory Manager <br /> NOTE: The leach was done according to the procedure specified in 40 CFR Part <br /> 261 Appendix II . <br /> Page 15 <br />