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1 S <br /> ech <br /> 6 Tparfger An Laboratory Division <br /> Mobile Laboratory DrOsion <br /> r*k)gy Inc Scientific DfMsion <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Mr Andrew Lush Date Sampled May 30, 1996 <br /> Lush Geosciences Date Received Jun 17, 1996 <br /> 3560 Business Dr , Ste 120 Date Analyzed Jun 21, 1996 <br />' Sacramento, CA 95820 Invoice # 6726 <br /> Project ID 524-001 Project Name Marys Diesel <br /> Client ID LCS/LCSD LAB ID 6726-LCS <br /> 6726-LCSD <br />' Matrix Soil Dilution 11 <br /> Conc Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ND 27 23 uglkg 90% 77% 16% <br /> Toluene 30 ND 27 23 ug/kg 90% 77% 16% <br /> Ethylbenzene 30 ND 27 23 ug/kg 90% 77% 16% <br /> m,p-Xylenes 60 ND 57 46 ug/kg 95% 77% 21% <br /> Surrogate % Recovery of Trifluorotoluene = 98% LCS 95% LCSD <br /> ppb=parts per billion=ug/kg=micrograms per kilogram <br /> ppm=parts per million=uglg=micrograms per gram <br /> ND=Not Detected Compourd(s)may be present at concentrations below the detection limit <br /> Jun 25, 1996 <br /> R L James Principal Chemist Date Reported <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CAUFCRNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1614) <br /> 8020LCSS XLS <br />