NYC-WTC_000187239

NYC 9/11 Public Portal Document 10/16/2001 14:48 6314676805 PEDNEAULT ASSOCIATES PASE 07

[ Prepared Exclusively For: PEDNEAULT ASSOCIATES, INC. NYCDEP-Emergency Response Sc Tech Assmt. t6lS AVENUE, BOX205, BOHEMU. N r. 11715

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

m,p-Xylene 0.60 ppb v/v 0.1765 USEPA TO-15 10/15/01 Styrene ND ppb v/v 0.0896 USEPA TO-15 10/15/01 1.1,2,2-Tetrachloroethane ND ppb v/v 0.1471 USEPA TO-15 10/15/01 o-Xy(ene 0.21 ppb v/v 0.0111 USEPA TO-15 10/15/01 1,3,5-Trim0(hylbenzene 0.08 ppb v/v 0.0757 USEPA TO-15 10/15/01 1,2,4-Trimethylbenzene 0.19 ppb v/v 0.1511 USEPA TO-15 10/15/01 1,3-Dichlorobenzene NO ppb v/v 0.1564 USEPA TO-15 10/15/01 1.4-Dlchlorobonzene ND ppb v/v 0.169 USEPA TO-15 10/15/01 1,2-Dichloroben2ene ND ppb v/v 0.2014 USEPA TO-15 10/15/01 1,2,4-Trichlorobenzene ND ppb v/v 0.1765 USEPA TO-15 10/15/01 Hexachloro-1.3-Butadiene ND ppb v/v 0.1976 USEPA TO-15 10/15/01

John Pedneault Page 6 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MW0E #46075

CITY_21MC100_0 02966091

NYC-WTC_000187244