NYC-WTC_000187239

NYC 9/11 Public Portal Document

10/16/2001 14:48 6314676905 PEDNEAULT ASSOCIATES 013

[ Prepared Exclusively For: PEDNEAVLTASSOCIATES, INC NYCDEP-Emergency Response & Tech Assmt. l6ISN/N7VArEW£. BOX20S, BOHEMIA, 11 Ui

96-05 Horace Harding Expressway LAB#: 01100281 Corona , NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS I m,p-Xylene 2.56 ppb v/v 0.1785 USEPA TO-15 10/15/01 Styrene ND ppb v/v 0.0696 USEPA TO-15 10/15/01 1.1,2.2-T etrachloroethane ND ppb v/v 0,1471 USEPA TO-15 10/15/01 o-Xylene 0.95 ppb v/v 0.0111 USEPA TO-15 10/15/01 1,3.5-Triinethyl benzene 0.28 ppb ylv 0.0757 USEPA TO-15 10/15/01 1.2,4-Trimethylbenzene 0.90 ppb v/v 0.1511 USEPA TO-1S 10/15/01 1,3-Ofchloro benzene ND ppb v/v 0.1564 USEPA TO-15 10/15/0) 1,4-Oichlorobenzene ND ppb v/v 0.169 USEPA TO-15 10/15/01 1,2-Dich)orobenzene ND ppb v/v 0.2014 USEPA TO-15 10/15/01 1,2.4-Trichlorobenzene ND ppb v/v 0.1785 USEPA TO-15 10/15/01 Hex3ctiloro-1,3-Butadiene ND ppb v/v 0,1976 USEPA TO-15 10/15/01 Tentattvety Identified Compounds 10/15/01 2-Methy1 butane 1.43 ppb v/v USEPA TO-15 10/15/01 Acetone 2.43 ppb v/v USEPA TO-15 10/15/01

John Pedneault Page 8 of 16 ND=RESUtT IS EQUAL TO OR LESS THAN MDL NYS ELAP »10224 Lab Director MWBE #46075

CITY_21MC100_002966093 NYC-WTC_000187246