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Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Ground Zero Analysis,Inc. Reported: 0510112013 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 ID: 1308594-05 Client Sample Name: 2nd Qtr.2013,MW-5,4/2512013 12:55:00PM,Del Tech <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Blas Qualls Run# <br /> Benzene ND ug/L 0.50 0.083 EPA-82608 ND 1 <br /> 1,2-Dlchlorosthane 1,7 ug/L 0.50 0.17 EPA-82608 ND 1 <br /> Ethylbenze.ne 3.5 uglL 0.50 0.098 EPA42608 ND 1 <br /> Methyl It-butyl ether 0.65 ug/L 0.50 0.11 EPA-8260B ND 1 <br /> Toluene ND ug/L 0.50 0.093 EPA-82608 ND 1 <br /> Total Xylenes 4.1 ug/L 1.0 0.36 EPA-82608 ND 1 <br /> Total Purgeable Petroleum 140 ug/L 50 1.2 Luft.GCiMS ND 1 <br /> Hydrocarbons '- <br /> 1,2-Dichloroethane-d4(Surrogate) 104 /a 75-125 (LCL-UCL) EPA-82608 1 <br /> Toluene-d8(Surrogate) 104 % 80-120 (LCL-UCL) EPA-8260B _ 1 <br /> 4-Bromolluorobenzene(Surrogate) 92.4 % 80-120 (LCL-UCL) EPA-82600 1 <br /> Run QC <br /> Run# Method Prep Date Date/Time Analyst Instrument Dilution Batch ID <br /> 1 EPA-8260B 04/30/13 05MI113 04:18 JCC MS-V14 1 BWD2374 <br /> The resnft in 1111,Tryon apply m r/te snniphs am/y:ed in nlrordonee u4da the Navin of ialudy donnnant.This umdplim/reporl Imur be nyrodimed in its emirely. <br /> All rcedts listed in this mat art Tor IIIc cadnsivc to,of IIIc snbminin6 parry.BC Labomluda.Ina.nssmnes no IcnOomabiliry For cyan altceaden,separanon,detadnncm to thirdµny mRlprctallon. <br /> 4100 Alias Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 vnan bclabs.com Page 13 of 22 <br />