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Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Ground Zero Analysis,Inc. Reported: 05/01/2013 14:26 <br /> 1172 Kansas Avenue Project: Groundwater Samples(Del Tech) <br /> Modesto,CA 95354 Project Number: 425.2 <br /> Project Manager: Andrew Dorn <br /> Volatile Organic Analysis (EPA Method 8260) <br /> BCL Sample 10: 1308594-09 Client Sample Name: 2nd Qtr.2013,MW-1,4/25/2013 2:45:OOPM,Del Tech <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Quals Run# <br /> Benzene 0.99 ugn- 0.50 0.083 EPA-82608 NO 1 <br /> 1,2-Dichloroethane NO uglL 0.50 0.17 EPA-82606 NO 1 <br /> Ethylbemeene 47 ugll- 0.50 0.098 EPA-62608 NO 1 <br /> Methyl 1-butyl ether ND ug/L. 0.50 0.11 EPA-82608 NO 1 <br /> Toluene NO uglL 0.50 0.093 EPA-826M NO 1 <br /> Total Xylenes 24 ugn. 1.0 0.36 EPA-82608 ND 1 <br /> Total Purgeabie Petroleum 930 ug/L 50 7.2 Luft.GCIMS NO 1 <br /> Hydrocarbons - <br /> 1,2-Dichloroethane-d4(Surrogate) 101 % 75-125 (LCL-UCL) EPA-8260B 1 <br /> TOWene-d8(Surrogate) 103 % 80-120 (LCL-UCL) EPA-82608 1 <br /> 4-Bromo0uorobenzene(Surrogate) 91.0 % 80-120 (LCL-UCL) EPA-82608 1 <br /> Run oC <br /> Run M Method Prep Date DateTme Analyst Instrument Dilution Batch ID <br /> 1 EPA-82608 04130/13 05/01/13 05:47 JCC MS-V14 1 BW02374 <br /> The resnhs in rhisvrppn apply m rhenmrp/es nnaly.rd in rrrcmx/noel,vitluhe o..ill of,,.fMydx,,nnoe Thimnolyliad repnrr i,naf Ae rcprorhmedill its,"irery. <br /> All rcanha linW in rhis r<mn nn for the aminsivc ruc of rbc sn,nUM,pony.OCUW -.des.ha:.assumo no mpomibilityfor myon ilmr:nim,xpamrian,bnuctnncni or ihiN yny I tcMrearion. <br /> 4100 Alias Court Bakersfield.CA 93308 (661)327-4911 FAX(661)327.1918 www.bdabs.com Page 17 of 22 <br />