NYC-WTC_000187612

NYC 9/11 Public Portal Document

10/17/2001 10:50 6314676305 PEDNEAULT ASSOCIATES PAGEL 11

3 Prepared E>:clnsivefy Por: PJEIfNEAULTASSOCIATES, INC. NYCDEP-Emergency Response & Tech Assent. J6I5 AVENUE. BOX205, BOUEMA. NX ll?I6

96-05 Horace Harcing Expressway LAB#: 01100280 Corona NY 11368 PROJECT ID WORLD TRADE CENTER-5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS

m,p-Xylene 1.06 ppb v/v 0.1785 USEPATO-15 10/14/01 Styrene 0.10 ppb v/v 0.0896 USEPATO-15 10/14/01 1,1,2,2-T etrachloroethare ND ppb v/v 0.1471 USEPA TO-15 10/14/01 o-Xyiens 0.39 ppb v/v 0,0111 USEPATO-15 10/14/01 1,3,5-Trimettiylbenzerie 0.12 ppb v/v 0,0757 USEPATO-15 10/14/01 1,2.4-Trlmethylbanz9rie 0.40 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-Dichlorobenzene ND ppb v/v 0.169 USEPATO-15 10/14/01 1.2-Dichlorobenzene NO ppb v/v 0.2014 USEPA TO-15 10/14/01 1.2,4-Trichlorobenzene ND ppb v/v 0.1785 USEPATO-15 10/14/01 Hexachloro-1,3-Butaclieie ND ppb v/v 0.1976 USEPATO-15 10/14/01 Tentatively Identified Ccmipounds 10/14/01 2-Metliyl butane 1.70 ppb v/v USEPATO-15 10/14/01

John Pedneault Page 10 of 16 Lab Director ND^RESULT IS EQUAL TO OR LESS THAN MDL NYS ELAP #10224 MWBE #46075

CITY_21MC100_002968888

NYC-WTC_000187621