NYC-WTC_000187255

NYC 9/11 Public Portal Document

10/17/2001 15:15 6314676905 PEDbEAULT ASSOCIATES PAGE 24

■ r Prepared Exclusively For: PEDNEAULT ASSOCIATES, INC. NYCDEP-Emergency Response & Tech Assmt. leisNWTHAyesuE. box2os. BomMiA. ey. luis 96-05 Horace Harding Expressway LAB#: 01100307 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS

m,p-Xylene 2.74 ppb v/v 0.1785 USEPA TO-15 10/16/01 styrene 0.33 ppb v/v 0.0896 USEPATO-15 10/16/01 1,1.2,2-Tetrachloroethane ND ppb v/v 0.1471 USEPATO-15 10/16/01 o-Xylene 0.93 ppb v/v 0.0111 USEPATO-15 10/16/01 1,3,5-Trimethylben2ene 0.39 ppb v/v 0.0757 USEPATO-15 10/16/01 1,2.4-Trimethylbenzono 1.14 ppb v/v 0.1511 USEPATO-15 10/16/01 1 1,3-Dichloroben2ene ND ppbvAz 0.1564 USEPATO-15 10/16/01 1,4-Dictilorobenzene ND ppb v/v 0.169 USEPA TO-15 10/16/01 1.2-Dichlorobenzene ND ppb v/v 0.2014 USEPATO-15 10/16/01 1,2,4-Trichlorobenzens ND ppb v/v 0.1785 USEPATO-15 10/16/01 Hexachloro-1 .S-Butadiene ND ppb v/v 0.1976 USEPATO-15 10/16/01 Tentatively Identified Compounds 10/16/01 2,5-Dihydrofuran 1.63 ppb v/v USEPATO-15 10/16/01 2-Methyl-1-pfopene 1.14 ppb v/v USEPATO-15 10/16/01 Butane 2.05 ppb v/v USEPATO-15 10/16/01 2-Methyl butane 3.09 ppb v/v USEPATO-15 10/16/01 Pentane 1.10 ppb v/v USEPA TO-15 10/16/01 2-Methyl Pentane 0.94 ppb v/v USEPA TO-15 10/16/01

John Pedneault Page 12 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MW0E #46075

CITY_21MC100_0 02966125

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