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

NYC 9/11 Public Portal Document

10/22/2001 17: 0e 63:.467&905 PEDNEAULT ftSSOCIATES PAGE 07

[ Prepared Excluiively Eor: PEDNEAULTASSOCIATES, INC NYCDEP-Emevgency Response & Tech Assmt. JSIJ/flNTHAnNUE, BOX205, BOffEMM. N Y. 11716 96-05 Horace Ttarding Expressway LAB#: 01100399 Corona , NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718) 595-4650 MATRIX: AIR\GAS

m.p-Xylene 1,21 ppb v/v 0.1785 USEPATO-15 10/21/01 Styreno 0.16 ppb v/v 0.0896 USEPATO-15 10,'21/01 1,1,2,2-Tetrachloroethane ND ppbv/v 0.1471 USEPATO-15 10,21/0! o-Xylene 0.44 ppbv/v 0.0111 USEPATO-15 10,21/01 1,3,5-Trimethylbenzene 0.17 ppb v/v 0.0757 USEPATO-15 10/21/01 1,2,4-Trlmethylbenzene 0.62 ppbv/v 0.1511 USEPATO-15 10/21/01 1,3-Dichlorobenzene ND ppbv/v 0.1564 USEPATO-15 10/21/01 1,4-Dichlorobenzene ND ppb v/v 0.169 USEPATO.15 10/21/01 1,2-Dichlorobenzene ND ppb v/v 0.2014 USEPA TO-15 10/21/01 1,2.4-T richtorobenzema ND ppb v/v 0.1785 USEPATO-15 10/21/01 Hexachloro-1.3-Butadlene ND ppb v/v 0.1976 USEPATO-15 10/21/01 Tentatively Identified CXimpounds 10/21/01 laobutane 0.98 ppb v/v USEPATO-15 10/21/01 2-Metliyl butane 1.58 ppb v/v USEPA TO-15 10/21/01 -- 'I I....,,.

John Pedneault Page 6 of 16 N15=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

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