Air sample lab report, Broadway and 31st St, Oct 2001

NYC 9/11 Public Portal Document

10/25/2001 16;14 6314676905 PEDNEAULT ASSOCIATES PAGE 11

f Prepared Exclusively For: PEDNEAULTASSOCL4TES, JNC. NYCDEP-Emergency Response & Tech Assmt. !6IS ffJNIff AVENUE. BOX205. BOHEMIA. N V 11716 96-05 Horace Harding Eixpressway LAB#: 01100428 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718)595-4650 MATRIX; AIRtGAS r__ 1 m.p-Xylene 1.08 ppb v/v 0.1785 USEPA TO-15 10/23/01 Styrene ND ppb v/v 0.0896 USEPA TO-15 10/23/01 1,1,2.2-Tetrachloroetliane ND ppb V/v 0.1471 USEPATO-15 10/23/01 o-Xylene 0.37 ppb v/v 0.0111 USEPATO-15 10/23/01 1,3,5-Trlmethylbenzene 0.11 ppb v/v 0.0757 USEPATO-15 10/23/01 1,2,4-TrimethylbQnzene 0.33 ppb v/v 0.1511 USEPATO-15 10/23/01 1,3-Dic)iloroben2ene ND ppb v/v 0,1564 USEPA TO.15 10/23/01 1,4-DlchIorobenzene ND ppb v/v 0.169 USEPATO-15 10/23/01 1,2-Dlchlorabenzene ND ppb v/v 0.2014 USEPATO-15 10/23/01 1.2,4-Trichlorobenzer(e ND ppb v/v 0.1785 USEPATO-15 10/23/01 Hexachloro-1 .S-Butadiene ND ppb v/v 0.1976 USEPA TO-1S 10/23/01 Tentatively Identified Compounds USEPATO-15 10/23/01 2-Mettiyl butane 1.29 ppb v/v USEPATO-15 10'23/01

John Pedneault Page 10 of 16 Lab Director Pa>=RESULT IS EQUAL TO OR LESS THAN MDL NYS ELAP #10224 NR-NON REPORTABLE RESULTS MWBE #46075

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