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1AIJ 3C+ 91 1C~: ~iE FF!~19 HAZEL-1 P,ESEr~RCH <br />F Hi~F bU'c <br />- Hazen Reeeeroh,lnc. DATE January 30, 1991 <br />4607 Indiana St. • Golden. Colo. 80403 HRi PROJECT 009-18 <br />H/~ZEN Tei: (303) 279.4507 • 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 />C J <br />--------------------------------------------- <br />SAMPLE NO. K509/90-1 <br />SAMPLE IDENTIFICATION: BLR 5 Bottom Ash <br />--------------------------------------------- <br /> Result Limit Spike <br /> m 1 m¢/1 Recoverv,X <br />Arsenic <0.01 5,0 83 <br />Barium <0.1 100 109 <br />Cadmium <0.01 1.0 99 <br />Chromium <0.05 5.0 119 <br />Lead <0.1 5.0 99 <br />Mercury <0.0001 0.2 102 <br />Selenium 0.03 1.0 75 <br />Silver <D.05 5.0 99 <br />Extraction Fluid Used: #1 <br />Date Extraction Started: 12/13/90 <br />Final pH: 4.74 <br /> <br />Method Date <br />ComUleted <br />EPA 206.4 1/4/91 <br />SW846 6010 1/2/91 <br />SW846 7130 1/2/91 <br />SW846 7190 1/2/91 <br />SW846 7420 1/2/91 <br />SW846 7470 12/21/90 <br />SW846 7740 1/4/91 <br />SW846 7760 1/2/91 <br />By: /~-~~ <br />Robert Rostad <br />Laboratory Manager <br />• <br />NOTE: The leach was done according to the procedure specified in 40 CFR Part <br />261 Appendix II. <br />Page 15 <br />