NYC-WTC_000187612

NYC 9/11 Public Portal Document

10/17/2001 10.-50 6314676905 PEDNEAULT ASSOCIATES PAGE 07

r Prepared Etclusively For: PEDNEAULTASSOCIATES, INC. NYCDEP-Emergency Response & Tech Assint. 1615 unrmAVENUE. BOX20S. BOHEM/A, P r. IC16 96-05 Horace Harding Expressway LAB#: 01100280 Corona NY 11368 PROJECT ID WORLD TRADE CENTER-5 Boro Sampling (718) 595-4650 MATRIX: AIR\GAS

r____ m.p-Xylene 2.29 ppbv/v 0.1705 USEPATO-15 10/14/0) Styrene 0.30 ppb v/v 0.0896 USEPA TO-15 10/14/01 I,1,2,2-Tetrachloro0thane NO ppbv/v 0.1471 USEPATO-15 10/14/01 o-Xylene 0.85 ppbv/v 0.0111 USEPATO-15 10/14/01 1,3,5-Trimethylbenzene 0.30 ppb v/v 0.0757 USEPATO-15 10/14/01 1,2,4-Trimelhylbenzene 0.84 ppbv/v 0.1511 USEPATO-15 10/14/01 1 .S-Dichlorobenzene ND ppbv/v 0.1564 USEPATO.15 10/14/01 1,4-Dichlorobenzen9 ND ppb v/v 0.169 USEPATO-15 10/14/01 1,2-Dichlorobenzene ND ppbv/v 0.2014 USEPATO-15 10/14/01 1,2,4-T richlorabenzene ND ppbv/v 0.1785 USEPATO-15 10/14/01 Hexachloro-1,3-Buladiene ND ppbv/v 0.1976 USEPATO-15 10/14/01 Tentatively Identified Compounds 10/14/01 (E)-2-Butenal 1.61 ppb v/v USEPATO-15 10/14/01 2-Me1hyl-1-propane 1.37 ppb v/v USEPATO-15 10/14/01

John Pedneault Page 6 of 16 Lab Director ND=RESULT IS EQUAL TO OR LESS THAN MPL NYS ELAI^ #10224 MWBE: #46075

CITY_21MC100_002968884

NYC-WTC_000187617