NYC-WTC_000187595

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES PAGE 23 10/10/2001 10:46 6314676905

r J Prepared Exduxlvely For: PEDNEAULTASSOaATES, JNC. NYCDEP-Emergency Response & Tech Assmt. 1615 NINTH AVENUE, BOX20S. BOHEAfTX N.Y. 1I?16 96-05 Horace Harding Expressway LAB#: 01100168 Corona NY 11368 PROJECT ID WORLD TRADE CENTER-5 Borc Sampling (718) 595-4650 MATRIX; AIR\GAS t m,p-Xylene 1.61 ppb v/v 0.1785 USEPATO-15 10/8/01 Styrene ND ppb v/v 0.0696 USEPATO-15 10/8/01 1.1.2.2-Telrachloroethane ND ppb v/v 0.1471 USEPA TO-15 10/8/01 0-Xylene 0.53 ppb v/v 0.0111 USEPATO-15 10/8/01 1,3,5-Trimethylben2ene 0.12 ppb v/v 0.0757 USEPATO-15 10/8/01 1,2,4-T ritnethylbenzene 0.49 ppb v/v 0.1511 USEPA TO-15 lO/S/01 1,3-Dichlorobenzene ND ppb \il'j 0.1564 USEPATO-15 10/8/01 1.4-Dichlorobenzene ND ppb v/v 0.169 USEPA TO-15 10/8/01 1,2-DicWorobenzene ND ppb v/v 0.2014 USEPATO-15 10/8/01 1,2,4-Trichloroben2ene ND ppb v/v 0.1785 USEPATO-15 10/8/01 Haxactiloro-1.3-Butadier e ND ppb v/v 0.1976 USEPA TO-15 10/8/01 Tentatively Identified Compounds 10/8/01 2-Methyl butane 1.10 ppb v/v USEPA TO-15 10/8/01

John Pedneault Page 12 of 14 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MW8E #46075

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NYC-WTC_000187606