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• W/-ZEN <br />Coors Energy Corp. <br />Robert Jesser <br />PO Box 359 <br />Keensburg, CO 80643 <br />Hazen Reaearch,lnc. <br />4601 Indiana St. • Golden, Colo. 80403 <br />Tet: (303) 279-4501 • Telex 45-660 <br />FAX: (303) 278-1528 <br />DATE <br />HRI PROJECT <br />HRI SERIES N0. <br />DATE RECD. <br />CUST P.O.# <br />REPORT OF ANALYSIS <br />Toxicity Characteristic Leaching Procedure <br />January 04, '1994 <br />009-18 <br />L34/93-B <br />12/01/93 <br /> SAMPLE N0. L34/93-2 <br />SAMPLE IDENTIFICATION: <br />Sample #267 <br />Boiler <br />#5 Bottom Ash <br />11/21/93 <br /> 7CLP <br /> RESULT DE TE CT1011 LII~II7 SPINE AHALVSIS <br /> PARAI4E TER m9/1 LI btIT ma/1 RECOVE RY .x FIETHOD DATE Af1A LVST <br /> Arsenic c0.1 0.1 5.0 100 EPA 206.1 12/15/53 MP <br /> Barium c0.5 0.5 100 67• SW846 6010 12/74/93 HR <br /> <br />• Catlmium <0.03 <br />Chromium 0.05 0.03 <br />0.05 1.0 <br />5.0 98 <br />102 SY7846 7130 <br />SW846 7190 12/14/93 <br />12/14/93 PH <br />PY! <br /> Leatl <0.3 0.3 5.0 108 51'!646 7420 12/14/93 PW <br /> 14e rcury <0.001 0.001 0.2 88 SW846 7470 12/28/93 ES <br /> Selenium c0.03 0.03 1.0 92 SYIB 46 774C 12/14/93 DV <br /> Silver 0.05 0.05 5.0 103 SIV846 7760 12/14/93 PV~I <br /> Extraction Fluitl Usetl: p1 <br /> Date Extraction STa rtetl: 12/07/93 <br /> Final pH: 5.03 <br />By: <br />R bert Rost ad <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 recovery indicates the presence of an interference (possibly sulfate). The <br />reported result is from direct analysis of the TCLP extract. When calculated using the <br />• method of standard additions, the result i•s Ba=30 mg/1. <br />