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Uk"ZZ/ar 10 u4 Palo sna ua4( bVAKl,1rK IQ 010/014 <br /> Spar Analytical Laboratory DMslon <br /> Technol Mobile Laboratory Divislon <br /> Inc Scientific Divislon <br /> With Automation !n Mind <br /> EPA Method 8020 <br /> Modified Matrix Spike (IVIS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr Tam Landwehr pate Sampled Aug 29, 1997 <br /> Apex Enviretech, Inc Date Received Sep 2, 1997 <br /> 7844 madison Avenue, Ste 1 D6 Date Analyzed Sep 4, 1997 <br /> Fair Oaks, CA 95628 Invoice 4 8326 <br /> Project ID ERA02 009 Project Name Moore Petroleum <br /> Client ID MS/MSD(Batch) LAB ID 8323-001 MS <br /> 8323-001 MSD <br /> Matrix Sod Dilution 1 1 <br /> Spike Sample MS MSD MS % MSD % % RPD QC Limits <br /> Anal4e Added Conc Result Result Units Recovery-- Recovery Recove RPD %Rec <br /> i <br /> Benzene 30 NO 27 27 ug/kg 900% 900% 000% 20 65-135 <br /> Toluene 30 ND 28 27 ug/kg 933% 900% 36% 20 65-135 <br /> Ethylbenzene 30 ND 28 28 ug/kg 933% 933% 000% 20 65-135 <br /> m,p-Xylenes 60 ND 60 58 ug/kg 100% 96 70,0 34% 20 65-135 <br /> o-Xylenes 30 ND 29 28 ug/kg 967% 933% 35% 20 65-135 <br /> Surrogate % Recovery of Tnfluorotoluene = 67% MS 76% MSD <br /> ppb=parts per 1>01orr,a uWkg=micrograms pe ialcp=am <br /> pom=pmrts per M111on-ugly=micrograms;.e gram <br /> ND=Not Detected Compound(s)may be presert at cc�centrat`ona hslcw the de ec-on limit <br /> Le 22, 1997 <br /> L James,Prncipal Chemist <br /> Osie Reported <br /> SPARGER rECHNOLCG f ANAL"T1CAL LASCRATORY INC S CERT.=,LD BY THE STATE CF CALIFORNIA <br /> GEPARTIVENT Or HEALTH SERVICES AS A HAZAR00t1S NAS—,.TESTING LABORATORY <br /> (Carbhea5 cn'Je 181 A <br /> • <br /> 8020mss <br /> 3050 Fite Circle, Suite 112 • Sacramento California 95827 • (996) 362-8947 • FAX(996) 362-0947 <br />