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10/08/97 11:30 0916 362 0947 SPARGER 191020/026 <br /> Spar <br /> gero Analytical Laboratory Division <br /> IL I Mobile Laboratory Division <br /> Tdchr*k4 Y,h-C. SclentMc Division <br /> With Automation in Mind <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention: Ms, Sydney Geels Date Sampled: Aug 14, 1997 <br /> IT Corporation Date Received: Aug 14, 1997 <br /> 4585 Pacheco Blvd. Date Analyzed: Aug 14, 1997 <br /> Martinez,CA 94553 Invoice#: 8234 <br /> Project ID: 770932 Project Name: Pac Bell <br /> Client ID: LCS/LCSD LAB ID: 8234-LCS <br /> 8234LCSD <br /> Matrix: Soil Dilution i: I <br /> Spike Sample LCS LCSD LIDS% LCSD% % RPD OC Limits <br /> Name Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 31 30 ug/kg 103% 100% 3% 20 65-135 <br /> Toluene 30 IND 32 29 ug/kg 107% 97% 10% 20 65-135 <br /> Ethylbenzene 30 ND 33 31 ug/kg 110% 103% 6% 20 65-135 <br /> m,p-Xylenes 60 ND 67 64 ug/kg 1120& 107% 5% 20 65-135 <br /> o-Xylenes 30 ND 32 31 ug/kg 107% 103% 3% 20 66-135 <br /> Surrogate% Recovery of Trifluorotoluene= 110% LCS 107% LCSD <br /> p�-paasperbahon-tift-mkm—perkbw- <br /> ppm*parse per million-uglo=m per gram <br /> Nb a Not Dat edet Com a)may be pfasem at owww**ians bew ft oswako 1knIL <br /> n <br /> VAAA fif, Aug 19, 1997 <br /> ate <br /> R.L.James,Principal Chemlat DReported <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.13 CE BY THE STATE OF MFORNIA <br /> DEPARTMENT OF HEALTH SERVICES ASA HAZARDOUS WASTE TESTING LABORATORY <br /> (CaMeation Na.1614) <br /> 8D�01-CSS.xis <br /> der. <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 9 (916) 362-8947 FAX(916) 362-0947 <br />