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Stantec Consulting <br /> Project# 211602384.500.9401 <br /> 666 West WeberAvenue, Stockton, California <br /> TEG Project#21019F <br /> BTEX, Naphthalene, Oxygenates & TPH(EPA method 8260B) Analyses of SOIL VAPOR in ug/L of Vapor <br /> METHANE Analyses of SOIL VAPOR in ppmV <br /> SAMPLE NUMBER: Blank APSV-1 APSV-3 APSV-6 APSV-7 APSV-8 <br /> PURGE VOLUME: 7 7 7 7 7 <br /> AMOUNT PURGED(ml): 336 177 336 213 213 <br /> COLLECTION DATE. 10/19/12 10/19/12 10/19/12 10/19/12 10/19/12 10/19/12 <br /> COLLECTION TIME: 09:07 10:49 11:12 11:37 11:57 12:24 <br /> DILUTION FACTOR: 1 1 1 1 1 1 <br /> RL <br /> Benzene 0.10 nd nd nd nd nd nd <br /> Toluene 0.20 nd nd nd nd nd nd <br /> Ethylbenzene 0.10 nd nd nd nd nd nd <br /> Total Xylenes 0.10 nd nd nd nd nd nd <br /> Naphthalene 0.10 nd nd nd nd nd nd <br /> Tert-Butanol(TBA) 1.0 nd nd nd nd nd nd <br /> Methyl-t-butyl ether(MtBE) 0.10 nd nd nd nd nd nd <br /> Diisopropyl ether(D1PE) 0.10 nd nd nd nd nd nd <br /> Ethyl-t-butyl ether(EtBE) 0.10 nd nd nd nd nd nd <br /> Tert-amyl methyl ether(TAME) 0.10 nd nd nd nd nd nd <br /> TPH 10 nd nd nd nd nd nd <br /> Methane 1000 nd nd nd nd nd nd <br /> 1,1 Diflouroethane (leak check) 10 nd nd nd nd nd nd <br /> Surrogate Recovery: <br /> DBFM 80% 96% 74% 84% 85% 87% <br /> 1,2-DCA-d4 68% 72% 75% 65% 76% 76% <br /> 1,4-BFB 71% 99% 78% 125% 78% 75% <br /> 'nd' Indicates not detected at listed reporting limits <br /> 'RL' Indicates reporting limit in ug/L of Vapor at a dilution factor of 1 (Methane in parts per million by Volume(ppmV)) <br /> Analyses performed by: Mr. Leif Jonsson <br /> page 1 <br /> 11850 Monier Park Place, Rancho Cordova, CA 95742 Phone [916] 850-8010 Fax [916) 858-8020 <br />