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1 <br /> SpargerAnalytical Laboratory DWidon <br /> Moblle LaDiWboratory slon <br /> T6chmb _y Inc. Scientific DFnsion <br /> Wth Automahcrr ,n Mind <br /> ' EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> ' Laboratory Control Spike Duplicate (LCSD) STEX Analysis Report <br /> Attention Mr Jeff Rothgery Date Sampled Apr 23, 1996 <br /> ' Apex Envtrotech, Inc Date Received Apr 24, 1996 <br /> 7844 Madison Ave, Ste 106 Date Requested May 6, 1996 <br /> Fair Oaks, CA 95628 Date Analyzed May 8, 1996 <br /> ' Invoice# 5577 <br /> Project ID ERA02 006 Project Name Moore Petroleum-Old Manteca <br /> Client ID LCS/LCSD LAB ID 6577-LCS <br /> 6577-LCSD <br /> Matrix Water Dilution <br /> ' Gonc Sample LCS LCSD LCS% LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 NO 33 31 ugll 110% 103% 6% <br /> Toluene 30 ND 32 31 vgll 4070/a 103% 3% <br /> ' Ethylbenzene 30 ND 32 31 ugn 107% 103% 3% <br /> rn,p-Xylenes 60 NO 67 64 ugli 112% 107% 5% <br /> Surrogate %Recovery of Trlfluorotoluene= 991/4 LCS 96% LCSD <br /> ' pyb s PIAS 00f bjWn•UWt a M OMMS W 140r <br /> ppm.p"per mitlwn a vdlmi s fi,Rb(+Mm1?Gr m111114t <br /> NO=No1 DNrfdotl Cwnpou+fdls}may!n pnrant At mne�nlraeone brlew She tlP1ACAOn Irt7R <br /> ' May 16, 1996 <br /> R L James,Principal Chemist Date Reported <br /> ' SPAROER TECHNOLon_y ANALYTICAL LABORATORY INC IS CERTIFIED BY 7HE STATE OF CALIFORN A <br /> OEPARTMENT OF HF.A.L'H SER"ICES AS A HAZLRDOUS WASTE TESTING LABORATORY <br /> (Cen,fi=t,on No 16141 <br /> 8020LCSD XLS <br /> ' 3050 F,te Circle, Suite 112 • Socramenro Colrfamio 95827 s (916) 362-8447 a AAX(976) 362.0947 <br />