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j— viu, nci rcr K rime, Nan= LnraOVa. LA 95742 Phone [916] 853-8010 Fax (916) 853-8020 <br />Stantec Consulting <br />Project # 185750217 <br />666 West Weber Avenue, Stockton, California <br />TEG Project #60324E <br />Analyses of SOIL VAPOR <br />BTEX, Naphthalene, Oxygenates & TPH (EPA method 82608) in micrograms per <br />METHANE in parts per million by Volume (ppmV) <br />cubic meter of Vapor <br />SAMPLENUMBER: <br />APSV-12 APSV-14 <br />APSV-15 <br />APSV-15 <br />APSV-17 <br />UPSV-1 <br />dup <br />PURGE VOLUME: <br />AMOUNT PURGED (ml): <br />COLLECTION DATE.' <br />7 7 <br />290 260 <br />3124/16 3/24/16 <br />7 <br />245 <br />3/24/16 <br />7 <br />245 <br />3/24/16 <br />7 <br />290 <br />325/16 <br />7 <br />364 <br />325116 <br />COLLECTION TIME: <br />1044 14:00 <br />14:49 <br />14.'49 <br />10:17 <br />10:43 <br />DILUTION FACTOR: <br />1 f <br />1 <br />1 <br />1 <br />1 <br />RL <br />Benzene 40 <br />Toluene 200 <br />Ethylbenzene 100 <br />Total Xylenes 100 <br />Naphthalene 35 <br />nd nd <br />nd nd <br />nd nd <br />nd nd <br />nd nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />Tert-Butanot(TBA) 1000 <br />Methyl -t -butyl ether (MtBE) 100 <br />Diisopropyl ether (DIPE) 100 <br />Ethyl -t -butyl ether (ELBE) 100 <br />Tert-amyl methyl ether (TAME) 100 <br />nd nd <br />nd nd <br />nd nd <br />nd nd <br />nd nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />nd <br />TPH 10000 <br />nd nd <br />310000 <br />290000 <br />nd <br />nd <br />Methane 1000 <br />27000 nd <br />120000 <br />120000 <br />nd <br />24000 <br />1,1 Difluoroethane (leak check) 10000 <br />nd nd <br />nd <br />nd <br />nd <br />nd <br />Surrogate Recovery: <br />DBFM <br />80% 80% <br />81% <br />78% <br />77% <br />85% <br />1,2 -DCA -d4 <br />69% 94% <br />95% <br />92% <br />86% <br />93% <br />1,4 -BFB <br />80% 88% <br />84% <br />86% <br />81% <br />87% <br />'nd' Indicates not detected at listed reporting limits <br />'RL' Indicates reporting limit in ug/m3 of Vapor at a dilution factor of 1 (Methane in ppmV) <br />Analyses performed by: Mr. Leif Jonsson <br />page 3 <br />j— viu, nci rcr K rime, Nan= LnraOVa. LA 95742 Phone [916] 853-8010 Fax (916) 853-8020 <br />