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- Hezsn Reaearch,lno. <br />4601 Indiana St. • Golden, Colo. 80403 <br />• W/~ZEN Tel: (303) 279-4501 •Telex 45-860 <br />- FAX: (303)278.1528 <br />Coors Energy Corp. <br />Robert Jesser <br />PO Box 359 <br />Keensbury, CO 80643 <br />DATE <br />HRI PROJECT <br />HRI SERIES NO <br />DATE RECD. <br />CUST P.0.3! <br />REPORT OF ANALYSIS <br />Toxicity Characteristic Leaching Procedure <br />December 28, 1992 <br />009-18 <br />L108/92-2 <br />12/07/92 <br />CE 28117K <br />SAMPLE N0. L108/92-2 <br />SAMPLE IDENTIFICATION: Bldg <br />5 Fly <br />Ash <br /> /j TGLP <br /> RESULT . 9~ DETECTION LIMIT SPINE ANALYSIS <br />PARAMETER mo/1 / LIMIT ma/1 REGOVERV .x METHOD DATE ANALYST <br />Arsenic <0.02 0 0.02 5.0 106 EPA 206.4 12/15/92 MP <br />Barium 1.5 ~.y~ 0.5 100 19• SW846 6010 12/10/92 MR <br />Cadmium <0.02 ,G~ 0.02 1.0 98 SWB46 T130 12/10/92 PW <br />~hromium 0.05 0.05 5.0 97 gW846 7190 12/10/92 PW <br />ead <0.3 0.3 5.0 77 SW848 7420 12/10/92 PW <br />Mercury <0. 001 0.001 0.2 94 SW846 7170 12/09/92 PW <br />Selenium 0.31 ~ Og 0.01 1.0 71 SW846 7740 12/10/92 DV <br />Silver <0.05 0.05 5.0 101 SWB46 7760 12/10/92 PH <br />Extraction Fluid Used: Al <br />Data Extraction Started: 12/06/92 <br />Final pH: 5.68 <br />By. >Z.G•- ~. <br />R eat Rosta <br />Laboratory Manager <br />CODES: <br />(T)=Total (D)=Dissolved <br />(S)=Suspended (R)=Recoverable <br />(PD)=Potentially Dissolved <br /><=Less Than <br />Note: The leach was done according to SW846 Method 1311. <br />*Poor spike recoveries indicate the presence of an interference. The reported results are <br />from direct analysis of the TCLP extract. When calculated using the method of standard <br />additions or using the spike recovery factor, the results are Ba=57, and Ba=:3.5 <br />respectively. When calculated using the spike recovery factor, the result is 8.1 <br />