NYC-WTC_000209350

NYC 9/11 Public Portal Document 09/20/2001 14:53 6314676905 PEDNEAULT ASSOCIATES PAGE 04/14 f

F 22! Prii^aftd ExckiStvely For: PEDJ^EAVLTASSOCIATES, INC. N.Y.C. D.E.P. HxAZMAT DIVISION BOX20S, BOfiEMA, N.Y. IVJf

59-17 JUNCTION bOULLVAKU LAB#: 01090230 CORONA NY 11368 PROJECT ID WORLD TRADE CENTER (718) 595-6431 MATRIX: AIR\GAS

1 , :/ _______ ] , m,p-Xylens 3.30 ppb v/v 0.1785 USEPATO-15 9/19/Ul i Styrene 0.34 ppb v/v lIRFPA TO-1S i 1.1,2.2-Tetracnloroethane ND ppb v/v 0.1471 USEPATO-15 9/19/01 t--------- ---------------------------------- I o-Xylene 1.25 ppb v/v 0.0111 USEPATO.15 C’'19X» ! 1,3,5-Trimethylbenz9n0 ppb v/v 0.0TS7 USEPA TO-18 0.50 9/19/01 ! 1,2,4 Trimothylberzene 1.44 pob v/v 0.1511 USEPATO-15 9/19/01 j 1,3-DH±loroben29ne ND ppb v/v 0.1564 USEPATO-15 9/19/01 !l>Dichlorobenzene 0.42 ppb v/v 0.169 USEPATO-15 9/19/01 : 1,2-Dichiorobenzene NC ppb v/v 0,2014 USEPA TO 16 9/19/01 j 1.2.4-Trichlorocenzene ND ppb v/v 0.1786 USEPATO-15 9/19/01 i Hexachloro-1,3-Butacliene ND ppb v/v 0.1976 USEPATO-15 9/19/01 i Tentatively Identifiad Cempounds 9/19/01 ! Butane 1.09 mg/tTi3 9/19/01 I-------------------------------------------------------- 2-M9thvl butane 5.33 mg/rn3 9/19/01 i 2,3-dlmethyi butane 0.92 mg/mS 9/19/01 ! 2-M9thyl Pentane 1.81 mg/ma 9/19/01 i 3-Mcthy' pentone 1.15 mo/m3 9/19/01 i Ethyl acetate 1.32 ng/mS 9/19/01 I 2,2-Dim6thyi hexane mg/m3 1,18 9/19/01

John Pedneault Page 4 of 14 Lab Director NB’RESULT IS EQUAL TO OR LESS THAN MDL NYS ELAP #10224 MWBE #4O0?5

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NYC-WTC_000209353