NYC-WTC_000187239

NYC 9/11 Public Portal Document

10/16/2001 14:48 6314676805 PEDNEAULT ASSOCIATES PAGE 13

] Prepared Exclusively For: PEDNEAULTASSOCL4TES, INC NYCDEP-Emergency Response & Tech Assmt. IS IS fiftn-H AVENUE, BOX20S, BOHEMIA, N.H. 11716

96-05 Horace Harding Expressway LAB#: 01100281 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718) 595-4650 MATRIX: AIR\GAS

A————— m.p-Xylene 3,29 ppb v/v 0.1785 USEPA TO-15 10/15/01 Styrene 0.62 ppb v/v 0.0896 USEPA TO-15 10/15/01 1.1,2.2-Tetrachloroe1hane ND ppb v/v 0.1471 USEPA TO-15 10/15/01 o-Xy(ene 1.36 ppb v/v 0,0111 USEPA TO-15 10/15/0) 1,3,5-Trims(hylben2ene 0.57 ppb vN 0.0757 USEPA TO-15 10/15/01 1,2,4-Trlmethylbonzene 1.55 ppb v/v 0.1511 USEPA TO-15 10/15/01 1,3-Dichlorobenzene NO ppb vN 0.1564 USEPA TO-15 10/15/01 1,4-Dichlorobenzene ND ppb 0,169 USEPA TO-15 10/15/01 1,2-Dichlorobenzeno ND ppb y/v 0,2014 USEPA TO-15 10/15/01 1.2,4-T richlorobenzene ND ppb v/v 0.1785 USEPA TO-15 10/15/01 Hexachloro-1,3-Butadiene ND ppb v/v 0.1976 USEPA TO-15 10/15/01 Tentatively Identified Compounds 10/15/01 2-Mathyl butane 1,77 ppb v/v USEPA TO-15 10/15/01 Isopropyl alcohol 1,91 ppb v/v USEPA TO-15 10/15/01 Propene 2.44 ppb v/v USEPA TO-15 10/15/01 2-Methyl-1-propene 1.92 ppb v/v USEPA TO-15 10/15/01

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

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