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1 <br /> Spargero Analytical Laboratory Drnsion TechnologyrInc - <br /> Mobile Laboratory Drnslon_ ' <br /> Scientific Division rh .=L,-omatron in ��lrno <br /> EPA Method 8020 ' <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report ' <br /> Attention Mr Vern Bennett Date Sampled Jul 30, 1997 <br /> GHH Engineering, Inc Date Received Aug 1, 1997 ' <br /> 8084 Old Auburn Rd Date Analyzed Aug 12, 1997 <br /> Citrus Heights, CA 95610 Invoice# 8163 <br /> Protect ID 5007J3 Protect Name USA-Stockton , <br /> Client ID MS/MSD (Batch) LAB ID 8192-011MS ' <br /> 8192-011 MSD <br /> Matnx Water Dilution 1 1 <br /> Spike Sample MS MSD MS % MSD % % RPD QC Limits ' <br /> Name Added Conc Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 34 33 ug1l 113% 110% 3% 20 65-135 <br /> Toluene 30 ND 34 34 ug/I 113% 113% 0% 20 65-135 ' <br /> Ethylbenzene 30 ND 34 35 ug/I 113% 117% 3% 20 65-135 <br /> m,p-Xylenes 60 ND 68 70 ug/I 113% 117% 3% 20 65-135 ' <br /> o-Xylenes 30 ND 35 36 ug/I 117% 120% 3% 20 65-135 <br /> Surrogate % Recovery of Trltluorotoluene = 101% MS 102% MSD , <br /> ppb=parts per billion=ugll=micrograms per liter <br /> ppm=parts per million=uglml=micrograms per milliliter <br /> NO=Nat Detected Compound(s)maybe present at concentrations below the detection limit ' <br /> Aug 14, 1997 ' <br /> R L James Principal Chemist Date Reported <br /> S?ARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1614) <br /> 8020msw1 ' <br /> 3650 Fite Circle Suite 112 e Sociornento Coiirorr�io 05c-27 0 (916) 362-89-:7 , Frig (916) _62-�P,;� <br />