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iN <br />Stantec Consulting <br />Project <br /># 185750217 <br />666 West Weber Avenue, <br />Stockton, California <br />TEG Project #60324E <br />Analyses of SOIL VAPOR <br />BTEX, Naphthalene, Oxygenates & TPH (EPA method 82608) in micrograms per cubic meter of Vapor <br />METHANE in parts per million by Volume (ppmV) <br />SAMPLENUMBER: <br />Syringe <br />Syringe Shroud <br />APSV-1 <br />APSV-3 <br />APSV-5 <br />Blank <br />Blank Sample <br />PURGE VOLUME: <br />7 <br />7 <br />7 <br />AMOUNT PURGED (ml): <br />336 <br />177 <br />242 <br />COLLECTION DATE: <br />324/16 <br />3125/16 3/24/16 <br />3/24/16 <br />3/24/16 <br />324/16 <br />COLLECTION TIME.' <br />09:04 <br />08:30 08:23 <br />09:44 <br />10:17 <br />11:44 <br />DILUTION FACTOR: <br />1 <br />1 2000 <br />1 <br />1 <br />1 <br />RL <br />Benzene <br />40 <br />nd <br />nd - <br />nd <br />nd <br />nd <br />Toluene <br />200 <br />nd <br />nd - <br />nd <br />nd <br />nd <br />Ethylbenzene <br />100 <br />nd <br />nd - <br />nd <br />nd <br />nd <br />Total Xylenes <br />100 <br />nd <br />nd - <br />nd <br />nd <br />nd <br />Naphthalene <br />35 <br />nd <br />nd - <br />nd <br />nd <br />nd <br />Tert-Butanol (TBA) <br />1000 <br />nd <br />nd - <br />nd <br />nd <br />nd <br />Methyl-t-butyl ether (MtBE) <br />100 <br />nd <br />nd — <br />nd <br />nd <br />nd <br />Diisopropyl ether (DIPE) <br />100 <br />nd <br />nd - <br />nd <br />nd <br />nd <br />Ethyl-t-butyl ether (EtBE) <br />100 <br />nd <br />nd — <br />nd <br />nd <br />nd <br />Tert-amyl methyl ether (TAME) <br />100 <br />nd <br />nd - <br />nd <br />nd <br />nd <br />TPH <br />10000 <br />nd <br />nd - <br />nd <br />nd <br />nd <br />Methane <br />1000 <br />nd <br />nd - <br />nd <br />25000 <br />nd <br />1,1 Diftuoroethane (leak check) <br />10000 <br />nd <br />nd 6.2E+08 <br />nd <br />nd <br />nd <br />Surrogate Recovery: <br />DBFM <br />80% <br />75% 83% <br />80% <br />78% <br />80% <br />1,2-DCA-d4 <br />85% <br />79% 87% <br />87% <br />83% <br />90% <br />1,4-BFB <br />85% <br />81% 84% <br />81% <br />76% <br />83% <br />'no' Indicates not detected at listed reporting limits <br />'RL' Indicates reporting limit in <br />ug7m3 of Vapor <br />at a dilution factor of 1 (Methane in ppmV) <br />Analyses performed by: Mr. Leif Jonsson <br />page 1 <br />11350 Monier Park Place. Rancho Cordova. CA 9574E • Phone [916] 653-6010 • Fax [915] BSB -Wel -I <br />