NYC-WTC_000187255

NYC 9/11 Public Portal Document

10/17/2001 15:15 6314676305 PEDNEAULT ASSOCIATES PAGE IB

Prepared Exclusively For: PEDNEAULT ASSOaATES, INC. NYCDEP-Emergency Response & Tech Assmt. /6I5 NINTH AVENUE. BOJT205. BOHEMIA. NY. II7I6

96-05 Horace Harding Expressway LAB#: 01100307 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718) 595-4650 MATRIX: AIR\GAS

I_________ m,p-Xylene 1.39 ppb v/v 0.1785 USEPA TO-15 10/16/01 Styrene 0.12 ppb v/v 0.0896 USEPA TO-15 10/16/01 1.1,2,2-Tetrachloroethaoe ND ppb v/v 0.1471 USEPA TO-15 10/16/01 o-Xylene 0.50 ppb 0.0111 USEPA TO-15 10/16/01 1,3.5-Trimethylben2ene 0.15 ppb v/v 0.0757 USEPA TO-15 10/16/01 1,2,4-Trim0thylbenzenG 0.43 ppb v/v 0.1511 USEPA TO-15 10/16/01 1,3-Dictiloroben2ene ND ppb v/v 0.1564 USEPA TO-15 10/16/01 1,4-Dichlorobenzan9 ND ppb v/v 0.169 USEPA TO-15 10/16/01 1,2-Dichlorobenzene ND ppb v/v 0.2014 USEPA TO-15 10/16/01 1,2,4-Trichlorabenzene ND ppb v/v 0.1785 USEPA TO-15 10/16/01 Hexachloro-1,3-Buladlene ND ppb v/v 0.1976 USEPA TO-15 10/16/01 Tentatively Identified Compounds 10/16/01 2-Methyl butane 1.53 ppb v/v USEPA TO-15 10/16/01 2-Methyl Pentane 2.59 ppb v/v USEPA TO-15 10/16/01

John Pedneault Page 6 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

CITY_21MC100_0 02966119

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