NYC-WTC_000187239

NYC 9/11 Public Portal Document 10/16/2001 14:48 6314676905 PEDNEAULT ASSOCIATES PAGE 06

[ Prepared Exclusively For: P£:i>NEAULTASSOCIATES, INC NYCDEP-Emergency Response & Tech Assmt. 161}HimvAVENUE. BOX20}. BOHEMIA. NY. IIU6 96-05 Horace Harding Expressway LAB#: 01100281 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718)595-4650 MATRIX: AIRIGAS

COLLECT DATE DATE RECEIVED RELEASE DATE REPORT DATE IO/14/O: 6;20PM 10/14/01 9;45;00 PM 10/16/01 10/16/01 SAMPLE ORIGIN CENTAL PARK N. & LENOX. MANHATTAN SAMPLE ID#; 01100281-003 RESULT UNITS M.D.L, METHOD ANALYSIS PATE Olchloradifluoromelhana 1.15 ppb vA/ 0,123 USEPATO-15 10/15/01 Chloromelhane 1.37 ppb v/v 0.1037 USEPA TO-15 10/15/01 1 ;2-Oictitorote<rafluoroethane ND ppb v/v 0.2886 USEPATO-15 10/15/01 Vinyl Chloride ND ppb v/v 0.1249 USEPATO-15 10/15/01 Brofnomethane ND ppb vA 0.2416 USEPATO-15 10/15/01 Chloroathane ND ppb v/v 0.2476 USEPATO-15 10/15/01 Triohlorofluoromethane 0.54 ppb v/v 0.1839 USEPATO-15 10/15/01 1,1-Dichtoroethene ND ppb vA 0.0799 USEPATO-15 10/15/01 Methylene chloride ND ppb v/v 0.1909 USEPATO-15 10/15/01 Freon 113 ND ppb vA 0.161 USEPATO-15 10/15/01 1,1-Dichloroethane ND ppb v/v 0.1396 USEPATO-15 10/15/01 Methyl-tert-butyl ether 1.33 ppb vA 0.126 USEPATO-15 10/15/01 cis-1,2-Dlchloroethene ND ppb v/v 0.1783 USEPATO-15 10/15/01 Chloroform ND ppb v/v 0.1681 USEPATO-15 10/15/01 1,2-Dlchloroethane ND ppb v/v 0.1688 USEPATO-15 10/15/01 1,1.1-Trichloroethane 0.14 ppb v/v 0.0974 USEPATO-15 10/15/0) Benzene 0.60 ppb v/v 0.1201 USEPATO-15 10/15/01 Carbon Tetrachloride 0,12 ppb v/v 0.0922 USEPATO-15 lO/tS/01 1.2-Dichloropropane ND ppb v/v 0.1138 USEPATO-15 10/15/01 Trichloroethene ND ppb v/v 0.1329 USEPATO-15 10/15/01 ci3-1,3-Oichloropropene ND ppb v/v 0.0924 USEPATO-15 10/15/01 trans-1,3-Dtchloropropene ND ppb v/v 0.1222 USEPATO-15 10/15/01 1,1,2-Trlchloroethane ND ppb v/v 0.0896 USEPATO-15 10/15/01 Toluene 1.24 ppb v/v 0.0735 USEPATO-15 10/15/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPATO-15 10/15/01 Tetrachloroethene ND ppb v/v 0.0645 USEPATO-15 10/15/01 Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 J0/I5/0) ' Ethylbenzene 0.19 ppb v/v 0.0744 USEPA TO-15 10/15/01

John Padnaault Page 5 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

CITY_21MC100_0 02966090

NYC-WTC_000187243