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• <br />_ Hezen Research Inc. DATE October 28, 1998 <br />f~zEN 4601 Indiana St. • Golden, C olo. 80403 HRI PROJECT 002-37Y <br /> Tel: (303) 279-4501 HRI SERIES NO . J008/98 <br />_ FAX: (303) 278-1528 DATE RECD 10/1/98 <br /> COST. P.O.ti None Recd <br />ITEC Environmental Colorado Inc . <br />Maxine Stewart <br />9605 W. 49th Avenue, Suite 102 <br />Wheat Ridge, CO 80033 <br /> REPORT OF ANALYS IS <br />SAMPLE N0. J008/98-6 <br />SAMPLE IDENTIFICATION: Lefthand Cr. sampled on 09/30/96 @ 194 0 by Mark Simpson <br /> <br /> DETECTION ANALYSIS <br />PARAMETER RESULT LIMIT METHOD DATE ANALYST <br />Aluminum, mg/I m <0.05 0.05 EPA 200.7 10/6/98 MR <br />Arsenic, mg/I (T) <0.001 0.001 EPA 206.2 10/6/98 DY <br />Cadmium, mg/I (T) <0.001 0.001 EPA 213.2 10/6/98 DY <br />Chromium (VI), mg/I <0.005 0.005 SM 3500-Cr D 10/1/98 LH <br />Copper, mg/I (T) <0.01 0.01 EPA 220.1 10/6/98 PW <br />Iron, mg/I (T) 0.01 0.01 EPA 236.1 10/6/98 PW <br />Lead, mg/I (T) <0.001 0.001 EPA 239.2 10/6/98 DY <br />Manganese, mg/I (T) <0.01 0.01 EPA 243.1 10/6/98 PW <br />Mercury, mg/I (T) <0.0001 0.0001 EPA 245.1 10!7/98 DP <br />Selenium, mg/I (T) <0.005 0.005 EPA 270.2 10/6/98 DY <br />Silver, mg/I (l) <0.0002 0.0002 EPA 272.2 1016/98 DY <br />Uranium, mg/I (~ <0.002 0.002 ASTM D2907 10/2/98 EDF <br /> 1425 <br />Uranium, pCi/I (T)'• <1 1 ASTM D2907 10/2/98 EDF <br /> 1425 <br />Zinc, mg/I (T) 0.03 0.01 EPA 289.1 10/6/98 PW <br />"Uranium results reported assuming the activity of natural U = 6.77 x 10-7 Ci/gm. <br />CODES: <br />(T) =Total (D) =Dissolved <br />(S) =Suspended (R) =Total Recoverable <br />(PD) =Potentially Dissolved <br />< =Less Than <br />ey: ~ U y'-~ <br />Robert Rostad <br />Laboratory Manager <br />