NYC-WTC_000187612

NYC 9/11 Public Portal Document

10/17/2001 10:50 6314676905 PEDNEAULT ASSOCIATES PAGE 13

Prepared Excltuivefy For: PEDNEAULTASSOCIATES, INC. liisNfArTPArENUe. BOX20S, BOMEJkf/A. 11^5 NYCDEP-Emergency Response & Tech Assmt. 96-05 Horace Harding Expressway LAB#: 01100280 Corona NY 11368 PROJECT D) WORLD TRADE CENTER-5 Boro Sampling (718) 59.5-4650 MATRIX: A1R\GAS I __ m,p-Xylene 0.95 ppb v/v 0.1785 USEPATO-15 10/14/01 Styrene ND ppb v/v 0.0896 USEPATO-15 10/14/01 1,1,2.2-Tetrachloroethan9 ND ppb v/v 0.1471 USEPATO-15 10/14/01 o-Xylena 0.34 ppb v/v 0.0111 USEPATO-15 10/14/01 1,3,5-Trlmethylbenz6ne 0.08 ppb v/v 0.0757 USEPATO-15 10/14/01 1,2,4-Trimethylben2erie 0.23 ppb v/v 0.1511 USEPATO-15 10/14/01 1,3-Dichlorobenzene ND ppb v/v 0.1564 USEPATO-15 10/14/01 1,4-Dlchlorobenzene ND ppb v/v 0.169 USEPATO-15 10/14/01 1,2-DichloTObenzene ND ppb v/v 0.2014 USEPATO-15 10/14/01 1.2,4-Trlchlorobenzer(8 ND ppb v/v 0.1785 USEPATO-15 10/14/01 Hexachloro-1,3-Buf3Cieie NO ppb v/v 0.1976 USEPA TO-15 10/14/01 Tentatively Identified Ccmpounds 10/14/01 2-Mefhy) butane 1.29 ppb v/v USEPATO-15 10/14/01

John Pedneault Page 12 of 16 Lab Director ND<=>RESULT IS EQUAL TO OR LESS THAN MDL NYS ELAP #10224 MWSE #46075

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