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05/08/88 16;27 '$916 362 0947 SPARGERJOOaf004 <br /> SpargerAnaMicol Laboratory Division <br /> Mobile Laboratory► DivisionTechwk4yinc. Scientific Division <br /> With Aufomation in 14nd <br /> EPA Method 8020 <br /> Modified Laborato� Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention' Mr, Tom Landwehr Date Sampled; Apr 30, 9998 <br /> Apex Envirotech, Inc. Date Received: May 1, 1998 <br /> 7844 Madison Ave. Ste_ 106 Date Analyzed: May 4, 1998 <br /> Fair Oaks, CA 95528 Invoice* 9451 MAY98 <br /> Project ID: ERA02-009 Project Name: Manteca Moore Petro. <br /> Client ID: LCSfLCSD LAB 10: 9451-LCS <br /> 9451-LCSD <br /> Matrix: Water Dilution 1: 1 <br /> Spike Sample LCS LCSD LCS % LCSD % % RPD QC Limits <br /> Analyte Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 31 33 Ug/l 103% 110% 6% 20 65-135 <br /> Toluene 30 NO 30 32 UI;/1 100% 107% 6`l0 20 65-135 <br /> Ethylbenzene 30 ND 29 31 Ug11 97% 103% 7% 20 65-135 <br /> o c <br /> 20 65-135 <br /> 0 <br /> m,p-Kylenes <br /> 60 ND 56 59 Ug/l 93%0 98/0 5./0 <br /> o-Xylenes 30 ND 30 32 ug/I 100% 107% 890 20 65-135 <br /> II� <br /> Sjrrogate % Recovery of Trifluorotoluene= 96% LCS 98% LCSD <br /> ppb=parts per b uch=uW1 per lin# —— <br /> ppm=parte per&Nlon=Uwmt=mkroprama Per mWltw <br /> tN6 r Not oetedetl- Com May be � <br /> pt0n St cenwnft-li°ns below Ma dctoaGwr',Wm't. <br /> l <br /> 1 May 8, 1998 <br /> R, rues,Principal Chemist Date Reported <br /> a <br /> SPARGER TECHNQLOGY ANALYTICAL L AMATORY,INC,48 CERTlirEr,1IY THE STATE OF CALIFORNLI <br /> OEPQATMcNT OF WEALTH SERVICES AS A W1U4RbOU5 WASTE 7ESTlNG LAU01IIATORY <br /> j (Certifta don No 16141 <br /> 1 8020LCSW.xis <br /> 3050 Fite Circle, Suite 112 • Sacrornento Co1ifomio 95827 • (946) 362-8947 • FAX(976) 362-0947 <br /> k <br />