NYC-WTC_000187612

NYC 9/11 Public Portal Document

10/17/2001 10:50 6314676305 PEDNEAULT ASSOCIATES PAGE 12

Pfepafeti Eialisively For: PEDNEAULTASSOaATES, INC. )ejsNfNTffAVEtn/B, 80X205. BOIi£^X Kt 1/716 NYCDEP-Emergency Response & Tech Assmt. 96-05 Horace Harding Expressway LAB#: 01100280 Corona NY 11368 PROJECT IP WORLD TRADE CENTER-5 Boro Sampling

(718) 595-4650 MATRIX; AIRIGAS

COLLECT DATE date RECEIVED RELEASE DATE REPORT date 10/13/0. 9:55 PM 10/13/01 11:40:00 PM 10/16/01 10/16/01 SAMPLE ORIGIN BAY ST & VICTORY BLVD., STATEN ISLAND SAMPLE IDS: 01100280-006 RESULT DNITS M.D.L. METHOD analysis date Dichlorodifluoromethane 0.67 ppb v/v 0.123 USEPATO-15 10/14/01 Chloromethane 0.81 ppb v/v 0.1037 USEPATO-15 10/14/01 1,2-Dichlorotelrafluoroethan6 ND ppb v/v 0.2886 USEPATO-15 10/14/01 Vinyl Chloride ND ppb v/v 0.1249 USEPATO-15 10/14/01 Bromomethana ND ppb V/v 0.2418 USEPATO-15 10/14/01 Chloroethane ND ppb v/v 0.2478 USEPATO-15 10/14/01 T richlorofluoromethane 0.42 ppb v/v 0.1839 USEPATO-15 10/14/01 1,1-Dichloroethene ND ppb v/v 0.0799 USEPATO-15 10/14/01 Methylene chloride ND ppb v/v 0.1909 USEPATO-15 10/14/01 Freon 113 ND ppb v/v 0.161 USEPATO-15 10/14/01 1.1-Dichloroethane ND ppb v/v 0.1398 USEPATO-15 10/14/01 Methyl-tert-butyl ether 2.53 ppb v/v 0,128 USEPA TO-15 10/14/01 ci3-1,2-Dichloroe1hene ND ppb v/v 0.1783 USEPATO-15 10/14/01 Chloroform ND ppb v/v 0.1681 USEPATO-15 10/14/01 1,2-Dichloroefhane ND ppb v/v 0.1688 USEPATO-15 10/14/01 1,1,1-TrichloroGthan€i ND ppb v/v 0.0974 USEPATO-15 10/14/01 Benzene 0.52 ppb v/v 0.1201 USEPATO-15 10/14/01 Carbon Tetrachloride 0.10 ppb v/v 0.0922 USEPATO-15 10/14/01 1,2-Dlchloropropane ND ppb v/v 0.1138 USEPATO-15 10/14/01 Trichloroethene ND ppb v/v 0.1329 USEPA TO-1S 10/14/01 cls-1,3-Dichloroprop9ne ND ppb v/v 0.0924 USEPATO-15 10/14/01 trans-1,3-Dichloropropene ND ppb v/v 0.1222 USEPATO-15 10/14/01 1,1,2-Trichloroethane ND ppb v/v 0.0096 USEPATO-15 10/14/01 Toluene 2.03 ppb v/v 0.0735 USEPATO-15 10/14/01 1.2-Dibronioethane ND ppb v/v 0.0971 USEPATO-15 10/14/01 T etrachloroethene 0.10 ppb v/v 0.0845 USEPATO-15 10/14/01 Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 10/14/01 I Ethylbenzene 0.39 ppb v/v 0.0744 USEPATO-15 10/14/01

John Pedneault Page 11 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAF’ #10724 MWBE #46075

CITY_21MC100_002968889

NYC-WTC_000187622