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

NYC 9/11 Public Portal Document

10/25/2001 16:14 6314676905 PEDNEAULT ASSOCIATES PAGE 13

•l: Prepared .Exclusively For: PEDNEA UL TASSOCTA TES, INC. NYCDEP-Emergency Response & Tech Assmt. J6llWyrHAyE/^U£. BOX205, N.Y. IJ7I6 96-05 Horace Harding Expressway LAB#: 01100428 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718) 595-4650 MATRIX: AIR\GAS J__ . m.p-Xylene 5.71 ppb v/v 0.1785 USEPATO-15 10/23/01 Styrene 0.20 ppb v/v 0,0896 USEPATO-15 1073/01 1.1,2,2-Tetrachloroefltane ND ppb v/v 0.1471 USEPA TO-15 10/23/01 o-Xylene 2.09 ppb v/v 0.0111 USEPATO-15 10/23/01 1,3,5-Trimethylb0nzerie 0.57 ppb v/v 0.0757 USEPATO-15 10,23/01 1,2.4-Trimethylbenz0rie 1.69 ppb v/v 0.1511 USEPATO-15 1073/01 1.3-Dlchlorobenzene NO ppb v/v 0.1564 USEPATO-15 1073/01 1,4-Dichloroben2ene ND ppb v/v 0.169 USEPATO-15 1073/01 1,2-Dichlorabenzene ND ppb v/v 0.2014 USEPATO-15 10/23/01 1,2.4-Trichloroben2ene ND ppbvN 0.1735 USEPATO-15 1073/01 Hexachloro-1,3-Butacliene ND ppb v/v 0.1976 USEPATO-15 1073/01 Tentatively Identified (Compounds USEPATO-15 1073/01 2,5-Dihydrofuran 1.13 ppb v/v USEPA TO-15 10/23/01 2-Methyl butane 2.08 ppb v/v USEPATO-15 10/23/01 Isobutane 1.16 ppb v/v USEPATO-15 10/23701 2-Methyl Pentane 1.68 ppb v/v USEPA TO-15 10/23/01 3-Metliyl pentane 1.35 ppb v/v USEPATO-15 10/23/01 Methylcyclopentane 1.14 ppb v/v USEPA TO-15 1073/01

John Pedneault Page 12 of 16 ND-RESL'LT IS EQUAL TO OR LESS THAN MDL Lab Director NTS ELAP #10224 NR=NON REPORTABLE RESULTS MWBE #46075

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