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

NYC 9/11 Public Portal Document

10/22/2001 17:08 6314676805 PEDNEAULT ASSOCIATED PASE 03

r Prepared Exclusively For: PEDNEAULTASSOClATjES, fNC. NYCDEP-Emergency Response & Tech Assmt, I6ISWNTHAVENUE. SOX205, BOMSMA, NX. IJ7I6 96-05 Horace Harding Expressway LAB#: 01100399 Corona , NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718)595-4651) MATRIX; AIR\GAS

J, 1,1,2-Trichloroethane I- ND ppb v/v 0.0896 USEPATO-15 10/21/01 Toluene 26,8 ppb v/v 0.0735 USEPATO-15 10/21/01 1,2-Otbromoethane ND ppb v/v 0.0971 USEPA TO-15 10/21/01 Tetrachloroethena 0.17 ppb v/v 0.0845 USEPATO-15 10/21/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 10/21/01 Ethylbenzene 7.09 ppb v/v 0.0744 USEPATO-15 10/21/01 m.p-Xylene 17,7 ppb v/v 0.1785 USEPATO-15 10/21/01 Styrene 0,36 ppb v/v 0.0896 USEPATO-15 10/21/01 1,1,2,2-Tetrachloroethane ND ppb v/v 0.1471 USEPATO-15 10./21/0I 0-Xylene 6,66 ppb v/v 0.0111 USEPATO-15 10/21/01 1,3.5-T rimathylbenzer e 2,12 ppb v/v 0.0757 USEPA TO-15 10,71/01 1,2,4-Trimethylbenzerie 7,54 ppb v/v 0.1511 USEPATO-15 10/21/01 1.3-Dlchlorobenzen9 ND ppb v/v 0.1564 USEPA TO-15 10/21/01 1,4-Dichlorobenzene 0.24 ppb v/v 0,169 USEPA TO-15 10,71/01 1,2-Dlchlorobenzen9 ND ppb u/v 0.2014 USEPATO-15 10,71/01 1,2,4-T richlorobenzene ND ppb v/v 0.1785 USEPA TO-15 10/21/01 Hexachloro-1,3-Butadlene ND ppb v/v 0.1976 USEPA TO-15 10,71/01 Tentatively Identified Compounds 10/21/01 Isobutane 5.14 ppb v/v USEPATO-15 10,71/01 Butane 5.22 ppb v/v USEPATO-15 10,71/01 2-Methyl butane 12.9 ppb v/v USEPATO-15 10/21/01 Pentane 5.07 ppb v/v USEPATO-15 10/71/0T 2-Methyl Pentane 6.52 ppb v/v USEPATO-15 10/21/01

John Pedneault Page 2 of 16 ND=R£SVLT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 fVWBE #46075

CITY_21MC100_011107331

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