Air sample lab report, Broadway and 31st St, Oct 2001

NYC 9/11 Public Portal Document PEDNEAULT ASSOCIATES PAGE 09 10/22/2001 17-. 03 6314676905

Prepared Excltaivei’y Por: FEDNEA UI TASSOC/A TES, INC. NYCDEP-Eraergency Response & Tech Assmt, UISMNTHAVENUE. BOX201. BOfiEMA, NY H716 96-05 Horace Harding Expressway LAB#: 01100399 Corona MY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718)595-4650 MATRIX: AIR\GAS

m,p-Xyiene 1.71 ppb v/v 0.1785 USEPA TO-15 10/21/01 Styrene 0.63 ppb v/v 0.0896 USEPA TO-15 10/21/01 1,1,2,2-Tetrachloroetnane ND ppb v/v 0.1471 USEPA TO-15 10/21/01 o-Xylene 4.36 ppb v/v 0.0111 USEPA TO-15 10/21/01 1,3,5-Trimethylbenzene 3.63 ppb v/v 0.0757 USEPA TO-15 10/21/01 1,2,4-Trimethylbenzene 5.03 ppb v/v 0.1511 USEPA TO-15 10/21/01 1.3-Dichlorobenzene 0.72 ppb v/v 0.1564 USEPA TO-15 10/21/01 1,4-Dichloroben2ene 0.66 ppb v/v 0.169 USEPA TO-15 10/21/01 1,2-DiGhtorobenzene 0.76 ppb v/v 0.2014 USEPA TO-15 10/21/01 1,2.4-Trichlorobenzerie ND ppb v/v 0.1785 USEPA TO-15 10/21/01 Hexachloro-1,3-Butadiene ND ppb v/v 0.1976 USEPA TO-15 10/21/01 Tentatively Identified Compounds 10/21/01 Butane 1.22 ppb v/v USEPA TO-15 10/21/01 2-M9thyl butane 2.48 ppb v/v USEPA TO-15 10,/2l/01 Pentane 1.10 ppb v/v USEPA TO-15 10/21/01

John Podneault (=age 8 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MW0E #46075

CITY_21MC100_011107337

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