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Apr 28 9B 06:1Op • • P 6 <br />_ Hazen Research Inc . DATE April 22, 1998 <br />H/1ZEN 4601 Indiana St. • Goltlen. COIL. 80403 HRI PROJECT 002-53U <br /> Tel: (303) 279-4501 HRI SERIES N0. D046/98 <br />- FAX: (303) 278-t528 <br /> DATE RECD 4/1/98 <br /> CUST. P.O.>F None Recd <br />ITEC Environmental Colorado Inc . <br />Maxine Stewart <br />707 17th Street, Suite 3120 <br />Denver. CO 80202 <br /> REPORT OF ANALYSI S <br />SAMPLE NO. D046198-4 <br />SAMPLE IDENTIFICATION: Goltl HIII (151 Otr 1998) Station No. 4 -Grab ~1/~ (~-~ Z <br />E~ # ~ sampled on 03/31/98 @ 1601 by Bruce Bevirt <br /> DETECTION ANALYSIS <br />PARAMETER RESULT LIMIT METHOD DATE ANALYST <br />Aluminum, mg/l (D) 0.41 0.05 EPA 200.7 418198 DV <br />Arsenic, mg/I (D) 0.003 0.001 EPA 206.2 4/8198 DY <br />Cadmium, mgll (D) 0.0003 0.0003 EPA 213.2 4/8198 DY <br /> <br />Chromium (VI), mg/I <0.005 0.005 SM 3500-Cr D 4/1/98 LH <br />Copper, mg/I (D) 0.010 0.001 EPA 220.2 4/8/98 DY <br />Iron, mg/I (D) 0.13 0.01 EPA 236.1 4/8!98 PW <br />Lead, mgA (D) <0.001 0.001 EPA 239.2 418/98 DY <br />Manganese, mgll (D) 0.002 0.001 EPA 243.2 4/8!98 DY <br />Mercury, mg/I (D) <0.0001 0.0001 EPA 245.1 4/7/98 DP <br />Selenium, mg/I (D) <0.005 0.005 EPA 270.2 4/6198 DY <br />Silver, mg/l (D) 0 0003 0.0002 EPA 272.2 4/8/98 DY <br />Uranium, mgll (D) <0.002 0.002 ASTM D2907 414!98 EDF <br /> @ 1126 <br />Uranium, pCiR (D)" <1 1 ASTM D2907 414198 EDF <br /> @ 1126 <br />Zinc, mg/l (D) 0.01 0.01 EPA 289.1 418/98 pW <br />"Uranium results reported assuming the activity of natural U = 6.77 x 70-7 Ci/yin. ~ <br />CODES: <br />(T) =Total (D) =Dissolved <br />(S) =Suspended (R) = Total Recoverable <br />(PD) =Potentially Dissolved <br />< =Less Than <br />/ ~ i <br />By: l ~~~~~ <br />Robert Rostad <br />Laboratory Manager <br />