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L { <br /> Sr er Analytical Laboratory Division <br /> LMobile LaboratoryDivision <br /> Technolo v <br /> g�Inc. Scientific Division <br /> :Vith luror7 crion ir) r^Alir'o <br /> t <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Re ort <br /> LAttention: Mr. Rick Walls Date Sampled: Aug 8, 1995 <br /> Geocon Environmental Date Received: Aug 8, 1995 <br /> 3235 Sunrise Blvd., Suite 6 Date Analyzed: Aug 9, 1995 <br /> r Rancho Cordova, CA 95742 <br /> Project ID: S8100-06-30 (CT 53W202) Project Name: Lodi Maintenance Station <br /> LClient ID: LCS/LCSD LAB ID: ST95-08-009 LCS <br /> ST95-08-009 LCSD <br /> Matrix: Soil Dilution: <br /> Conc. Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery RecoveryL Benzene 30PP b NO 33 32 ug/kg 110% 107% 3% <br /> Toluene 30 ppb NO 29 29 ug/kg 97% 97% 0% <br /> Ethylbenzene 30 ppb NO 31 31 ug/kg 103% 103% 0% <br /> L <br /> I <br /> Xylenes 30 ppb ND 31 31 ug/kg 103% 103% 0% <br /> LSurrogate % Recovery of Trifluorotoluene = 101% LCS 100% LCSD <br /> =parm per billion 2 ugJkg a micrograms F"it kilogram <br /> ppm•Pails per million=ug/g-micrograms per gram <br /> ND=Not Detected. Compound(s)may be present at concentrations below the detection limit <br /> L <br /> L <br /> Aug 11, 1995 <br /> R.L.James.Principal Chemist Date Reported <br /> L <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (CertifieaLon No.187d] . <br /> L <br /> Lx050 Fite Circle. Suit- 1 6 5,::cromenb. Coii(L.rnio �=552; (916) 362-8947 9 FAX (916) 362-0947 <br />