NYC-WTC_000187595

NYC 9/11 Public Portal Document

10/10/2001 10:4& 631467&905 PEDNEAULT ASSOCIATES PAGE 17

[ 1 Prepared Er.ahsively For: PEDNEAULTASSOCIATJES, INC. NYCDEP-Emergeiicy Response & Tech Assmt. I6IS BO.X205, BOHEMIA, H.Y. II7I6

96-05 Horace Hare ing Expressway LAB#: 01100168 Corona , NY 11368 PROJECT ID WORLD TRADE CENTER-5 Boro Sampling (718) 59,1-4650 MATRIX: AIR\GAS

I m,p-Xylene 0.43 ppb v/v 0.1785 USEPA TO-15 10/8/01 Styrene ND ppb vN 0.0896 USEPATO-15 10/8/01 1,1,2,2-T otrachloroethane ND ppb v/v 0.1471 USEPA TO-15 10/8/01 o-Xylene 0.16 ppb vAj 0.0111 USEPATO-15 10/8/01 1,3,5-Trimethylben^ene ND ppb v/v 0.0757 USEPA TO-15 10/8/01 1,2,4-T rimefhylbenzena ND ppb v/v 0.1511 USEPATO-15 10/8/01 1.3-Dichlorobenzen0 ND ppb v/v 0.1564 USEPA TO-16 10/8/01 1,4-Dichlorobenzene ND ppb v/v 0,169 USEPATO-15 10/8/01 1,2-Dichlorobenzene ND ppb v/v 0,2014 USEPA TO-15 10/8/01 1,2,4-Trichlorobenzene ND ppb v/v 0.1785 USEPA TO-15 10/8/01 Hexacfiloro-1 .S-Butadiane ND ppb v/v 0.1976 USEPATO-15 10/8/01 Tentatively Identified Compounds 10/8/01 2-Methyl butane 1.17 ppb v/v USEPATO-15 10/8/01

John Pedneault Page G of 14 NP^RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP10224 MWBE #46075

CITY_21MC100_002968756

NYC-WTC_000187600