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_ rT <br /> r fab.: ? '90 15:04 0001 DAMES BORE/FRESNO TEL222-1y'Z? PAGE 1.2/19 <br /> SUPERIOR ANALYTICAL LABORATORY, INC. <br /> 1555 BURKE. UNIT 1 • SAN FRANCISCO, CA 94124 • PHONE (415) 647.2081 <br /> Q E R T I F I C A T E O F A N A L Y 5 I S <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> Diesel by Modified LPA SW-846 Method 8015 <br /> Gasoline by Purge and Trap : EPA MEthod 8015/5030 <br /> ANALYSIS FOR BENZENE, TOLUENE, ETHYL BENZENE & XYLENES <br /> by EPA SW-846 Methods 5030 and 8020 <br /> Page 2 of 2 <br /> QA/QC INFORMATION <br /> SET : ; 0456 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> mg/L = part per million (ppm ) <br /> OIL AND GREASE ANALYSIS BY Standard Methods Method 503E: <br /> OuDlicate RPD NA <br /> Minimum Detection Limit in Soil : 20mg/kg <br /> Modified EPA Method 8015 for Extractable; Hydrocarbons : <br /> Minimum Quantitation Limit for Diesel it1 Soil ; 10mg/kg <br /> Daily Standard run at 200mg/L ; RPO Diesel = 1* <br /> MS/MSD Average Recovery = 100%: Duplicate Rpo = 3 . 5% <br /> 8015/5030 Total Purgable Petroleum Hydrocarbons . <br /> Minimum Quar,titatiOn Limit for Gasoline in Soil - 1mg/kg <br /> Daily Standard run at 2mg/L ; RPD Gasoline = < 15% <br /> MS/MSD Average Recovery = 94;x; Duplicate RPD = 3% <br /> 800/BTXE: <br /> Minimum Quantitation Limit. in 5oi1 : 0 . 05mg/F<g <br /> Daily Standard run at 20ug/L : RPD = < 15% PAYMENT <br /> MS/MSD Average Recovery = 86% : DUP1 irate RPD = 4% RECEIVED <br /> FEB 07 1990 <br /> ENVIRONMENTAL HEALTH <br /> PERMIT f SERVICES <br /> 7 <br /> Ri and Srna, Ph , D. <br /> Laboratory Director <br /> OUTSTANDING QUAI_iTY AND SERVICE <br />