NYC-WTC_000187581

NYC 9/11 Public Portal Document

10/04/2001 17;20 6314676905 PEDNEAULT ASSOCIATES PAGE 15

r Prepared Ex,;li,iively For: PJi/>NEAVLTASSOCIATES, ESC. NYCDEP-Emergency Response & Tech Assmt. 1615 NINTH AVENUE. BOX 205. BOHEMIA, HE. HH6

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

I iTi,p-Xylene 3.07 ppb v/v 0.1785 USEPA TO-15 10/3/01 Styrene 0,21 ppb vIm 0.0896 USEPATO-15 10/3/01 1,1,2,2-Tetrachloroettiane ND ppb v/v 0.1471 USEPATO-15 10/3/01 0-Xylene 1.20 ppb v/\/ 0.0111 USEPATO-15 10/3/01 1.3,5-Trimethylbenzen9 0.41 ppb vN 0.0757 USEPATO-15 10/3/01 1,2,4-Trimethylbenzene 1.24 ppb v/v 0.1511 USEPA TO-15 10/3/01 1,3-Dicblorobenz0ne ND ppb v/v 0.1564 USEPATO-15 10/3/01 1,4-Dicbloro benzene 0.30 ppb v/v 0.169 USEPATO-15 10/3/01 1.2-Dlchlorobenzene ND ppb v/v 0.2014 USEPATO-15 10/3/01 1,2,4-Tnchlorob8nzene ND ppb v/v 0.1785 USEPATO-15 10/3/01 Hexachloro'1,3-Butadiene ND ppb v/v 0.1976 USEPATO-15 10/3/01 Tentatively Identified Compounds 10/3/01 2-Methyl-1-propene 1.12 ppb v/v USEPA TO-15 10/3/01 Butane 1.90 ppb v/v USEPATO-15 10/3/01 2-MGthyl butane 4.89 ppb v/v USEPA TO-15 10/3/01 2-Metbyl Pentane 1.50 ppb v/v USEPATO-15 10/3/01 3-Methyl penlane 1.41 ppb v/v USEPA TO-15 10/3/01

John Pedneault Page 4 of 14 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE «46075

CITY_21MC100_002968634

NYC-WTC_000187584