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uailaito1 lr 31 Q0.L0 JoG UV47 SeARGER 16022/025 <br /> Sparger 0 Analytical Laboratory Division <br /> Mobile Laboratory ry <br /> DivisionT6chr*logync <br /> Sclenthic DM31on <br /> With Automation in Mnd <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Ms Kathy Broderick Date Sampled Jul 29, 1997 <br /> Apex Envirotech, Inc Date Received Jul 31, 1997 <br /> 7844 Madison Ave , Ste 106 Date Analyzed Aug 12, 1997 <br /> Fair Oaks, CA 95628 Invoice# 8156 <br /> Project ID COL01 001 Project Name Colberg Boatworks <br /> Client ID LCS/LCSD LAB ID 8156-LCS <br /> 8156-LCSD <br /> Matrix Water Dilution 1 1 <br /> Spike Sample LCS LCSD LCS% LCSD% %RPD 4C Limits <br /> Name Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 32 30 ugll 107% 100% 6% 20 65-135 <br /> Toluene 30 ND 37 35 ug/l 123% 117% 6% 20 65-135 <br /> Ethylbenzene 30 NO 39 37 ug/I 130% 123% 5%a 20 65-135 <br /> m,p-Xylenes 60 NO 75 69 ugtl 125% 115% 6% 20 65-135 <br /> o-Xylenes 30 NO 41 38 ugll 137% 127% 8% 20 65-135 <br /> Surrogate % Recovery of Trltluorotoluens= 105% LCS 92% LCSD <br /> ppb-Pte'per bilin=wWI-mrJoprame per IRar <br /> ppm-parte per mY9on a upiml-mic mo roma w mlllhter <br /> hd=Not Detected Compoun3(e)may be preswl at ooncentmLma bekw rho datectlen itmt <br /> ym. 'Mwu.LA.0'uA t Aug 14, 1997 <br /> R L James,Prtnclpal Chemtsl� Hate Reported <br /> SPARGER-ECANCLCGY ANALYTICAL LAEORATORY INC I3 CERTIFIEC EY THE STATE CF CALIFORNIA <br /> DEPARTMENT Or HEALTH SERVICES AS A FALAR,IOUS WASTE TESTING LABORATORY <br /> ICertafcatco No,18141 <br /> 8020LCSW kis <br /> 3050 Fite C,rcle Suite 112 • Socromento Caii`ornio 95827 • (916) 362-8947 • FAX (916) 362-09,47 <br />