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Stantec Consulting <br /> Project# 211602384.500.9401 <br /> 666 West Weber Avenue, Stockton, California <br /> TEG Project#21019F <br /> BTEX, Naphthalene, Oxygenates & TPH(EPA method 82608) Analyses of SOIL VAPOR in ug/L of Vapor <br /> METHANE Analyses of SOIL VAPOR in ppmV <br /> SAMPLE NUMBER: UPSV-3 UPSV-5 UPSV-6 <br /> dup <br /> PURGE VOLUME: 7 7 7 <br /> AMOUNT PURGED(ml): 364 364 364 <br /> COLLECTION DATE: 10/19/12 10/19/12 10/19/12 <br /> COLLECTION TIME: 13:34 14:39 14:17 <br /> DILUTION FACTOR: 1 1 1 <br /> RL <br /> Benzene 0.10 nd nd nd <br /> Toluene 0.20 nd nd nd <br /> Ethylbenzene 0.10 nd nd nd <br /> Total Xylenes 0.10 nd nd nd <br /> Naphthalene 0.10 nd nd nd <br /> Tert-Butanol(TBA) 1.0 nd nd nd <br /> Methyl-t-butyl ether(MtBE) 0.10 nd nd nd <br /> Diisopropyl ether(RIPE) 0.10 nd nd nd <br /> Ethyl-t-butyl ether(ELBE) 0.10 nd nd nd <br /> Tert-amyl methyl ether(TAME) 0.10 nd nd nd <br /> TPH 10 nd 8400 nd <br /> Methane 1000 nd 22000 nd <br /> 1,1 Diflouroethane(leak check) 10 nd nd nd <br /> Surrogate Recovery: <br /> DBFM 84% 78% 84 <br /> 1,2-DCA-d4 78% 77% 73% <br /> 1,4-BFB 79% 76% 65 <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 3 <br /> 1195❑ Monier Park Place, Rancho Cordova, CA 95742 Phone [916] 855-BOID Fax [916] 858-817120 <br />