NYC-WTC_000187581

NYC 9/11 Public Portal Document

10/0472001 17.: 20 6314676905 PEDNEAULT ASSOCIATES PAGE 18

[ Prepared Exrlurively Eor: PBDNEAULTASSOCIATES, INC. NYCDEP-Emergency Response & Tech Assmt. I6IS NNTMAyEWE. BOX 205. BOHEMIA, KY. 11716

96-05 Horace Harding Expressway LAB#: 01100065 Corona NY 11368 PROJECT ID WORLD TRADE CENTER-5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS

r----- '• ' COLLECT DATE DATE RECEIVED release date REPORT PATO 10/2/01 9:50 PM 10/3/01 1:10:00 AM 10/4/01 10/4/01

SAMPLE ORIGIN PERRY ST. & NORTH 11th ST, BROOICLYN SAMPLE ID#: 01100065-004 RESULT UNITS M.D.U. METHOD ANALYSIS DATE Dichlorodifluoromethane 0.59 ppb v/v 0.123 USEPA TO-15 10/3/01 Chloromethane 0.42 ppb v/v ■ 0.1037 USEPA TO-15 10/3/01 1,2-Dlchloro(etrafluoroefh3ne ND ppb v/v 0.2886 USEPATO-15 10/3/01 Vinyl Chloride ND ppb v/v 0.1249 USEPATO-15 10/3/01 Bromomethane ND ppb v/v 0.2418 USEPATO-15 10/3/01 Chloroethane ND ppb v/v 0.2478 USEPA TO-15 10/3/0! Trichlorofluoromethane 0.32 ppb v/v 0.1839 USEPATO-15 10/3/01

1,1-Dichloroethene ND ppb v/v 0.0799 USEPATO-15 10/3/01 Methylene chloride ND ppb v/v 0,1909 USEPATO-15 10/3/01 Freon 113 ND ppb v/v 0.161 USEPATO-15 10/3/01 1,1-Dlchloroethane ND ppb v/v 0.1398 USEPATO-15 10/3/01 Methyl-tert-butyl ether 9.03 ppb v/v 0.128 USEPATO-15 10/3/01 cis-1,2-Dichloroethene ND ppb v/v 0 1783 USEPATO-15 10/3/01 Chloroform ND ppb v/v 0.1681 USEPATO-15 10/3/01 1,2-Dichloroethane ND ppb v/v 0.1688 USEPATO-15. 10/3/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPATO-15 10./3/01 Benzene 1.59 ppb v/v 0.1201 USEPATO-15 10/3/01 Carbon Tetrachloride 0.13 ppb v/v 0.0922 USEPATO-15 10/3/01 1,2-Dichloropropane ND ppb v/v 0.1136 USEPATO-15 10/3/01

Tri Chloroethene ND ppb v/v 0.1329 USEPATO-15 10/3/01 cis-1,3-Dichloropropene ND ppb v/v 0.0924 USEPATO-15 10/3/01 trans-1,3-Dichloroprop9ne ND ppb v/v 0,1222 USEPATO-15 10/3/01 1,1,2-Trlchloroethane ND ppb v/v 0.0896 USEPATO-15 10/3/01 Toluene 5.86 ppb v/v 0.0735 USEPATO-15 10/3/01 1,2-Dibromo0thane) ND ppb v/v 0.0971 USEPATO-15 10/3/01 Tetrachloroethene ND ppb v/v 0.0845 USEPATO-15 10/3/01 Chlorobenzene ND ppb v/v 0.1343 USEPATO-15 10/3/01 Ethylbenzene 0.71 ppb v/v 0.0744 USEPATO-15 10/3/01

John Pedneault Page 7 of 14 ND=«RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

CITY_21MC100_002968637

NYC-WTC_000187587