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E <br /> 07/12/90 r 14.`55 FAX 916 -? 8781, !` GROUNDWATER TECHCHEVRON 003/004 <br /> superior Precision Analytical, Inc. <br /> 825 Arnold Drive. Suite 114 ■ Martinez. California 94553 ■ (510) 229-1512 /fax (S I Oa 229:1526 <br /> C E R T I F I C A T E O F A N A L Y S I S <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> Page 2 of 2 <br /> i` QA/QC INFORMATION <br /> SET: 89128 <br /> `EI . <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION ATION LIMIT <br /> mg/kg � parts per million (ppm) ,: <br /> jl <br /> I! <br /> EPA SW-646 Method 8015/5034 Total Purgable Petroleum Hydrocarbons : <br /> Minimum Quantitation Limit for Gasoline in Soil : 1mg/kg <br /> E' <br /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit:- in Soil : 0 . 005mg/kg <br /> E . <br /> I <br /> VERY RPD CONTROL LIMIT <br /> ANALYTE MS/MSD RECO <br /> f --------------- ------. -------- --- ------------- <br /> Gasoline : 98/85 14% 70-130 <br /> Benzene : 89/9.5 7% 70-130 <br /> Toluene : 93/96 5% 70-130 <br /> Ethyl Benzene: 96/100 4s 70-130 <br /> Xylenes : 93/96 3% 70-130 <br /> k' <br />! .Fi <br /> EIS Richard Srna, Ph.D. <br /> k aboratory Direc r d <br /> E <br /> i; <br /> �E <br /> t� <br /> i <br /> Certified Laboracaries <br /> I <br />