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r <br /> parger lytical Laboratory Division <br /> chnology Mobile Laboratory Division <br /> Inc. Scientific DMslon <br /> Automation in Mind <br /> EPA Method 8020 <br /> r Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention: Mr. Charles Metzinger Date Sampled: Apr 14, 199 <br /> EMCON Date Received: Apr 14, 199 <br /> 1433 North Market Blvd. Date Analyzed: Apr 15, 199 <br /> ' Sacramento, CA 95834 Invoice#: 9349APR9 <br /> is Project ID: 20939-011-001 Project Name: San Joaqui i Cty-DAW <br /> ' Client ID: LCS/LCSD LAB ID: 9349-LCS <br /> 9349-LCS <br /> Matrix: Soil Dilution 1: 1 <br /> Spike Sample LCS LCSD LCS % LCSD o % RPD OC Limits <br /> Analyte Added Conc. Result Result Units Recovery Recove Recovery RPD %Rec <br /> ' Benzene 30 ND 27 26 ug/kg 90% 87% 4% 20 65-135 <br /> Toluene 30 ND 27 30 ug/kg 90% 100% 11% 20 65-135 <br /> Ethylbenzene 30 ND 27 32 ug/kg 90% 1070/ 17% 20 65-135 <br /> m,p-Xylenes 60 ND 53 62 ug/kg 88% 1030/ 16% 20 65-135 <br /> o-Xylenes 30 ND 28 32 ug/kg 93% 1070/ 13% 20 65-135 <br /> ' Surrogate % Recovery of Trifluorotoluene = 95% LCS 84% LCSD <br /> ppb=parts per billion=ug/kg=micrograms per kilogram <br /> ppm=parts per million=ug/g=micrograms per gram <br /> ND=Not Detected. Compound s)may be present at concentrations beloW the detection limit. <br /> ' Apr 22, 1998 <br /> R L.James, Principal Chemist Date Reported <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CERTIFIED BY THE STA TE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LA 30RATORY <br /> (Certification No.1614) <br /> ' 80201css <br /> 750 Fite Circle, Suite '112 e Sacramento, California 90"d2 3 (916) 62-8947 • FAX (916) 362-0947 <br />