NYC-WTC_000203356

NYC 9/11 Public Portal Document

Prepared Exclusively Ear: PEDNEAULTASSOCIATES, INC. /615 NINTH AVENUE, BOX 205, BOHEMIA, NY. 11716 NYCDEP-Emergency Response & Tech Assmt. 96-05 Horace Harding Expressway LAB#: 01100508 Corona NY 11368 PROJECT ID WORLD TRADE CENTER- 5 Boro Sampling (718) 595-4650 MATRIX: AIR\GAS

m,p-Xylene ND ppb v/v 0.1785 USEPA TO-15 10/29/01 Styrene ND ppb v/v 0,0896 USEPA TO-15 10/29/01

1,1,2,2-Tetrachloroethane ND ppb v/v 0.1471 USEPA TO-15 10/29/01

o-Xylene ND ppb v/v 0.0111 USEPA TO-15 10/29/01 1,3,5-Trimethylbenzene ND ppb v/v 0.0757 USEPA TO-15 10/29/01 1,2,4-Trimethylbenzene ND ppb v/v 0.1511 USEPA TO-15 10/29/01

1,3-Dichlorobenzene ND ppb v/v 0.1564 USEPA TO-15 10/29/01 1,4-Dichlorobenzene ND ppb v/v 0.169 USEPA TO-15 10/29/01 1,2-Dichlorobenzene ND ppb v/v 0.2014 USEPA TO-15 10/29/01 1,2,4-Trichlorobenzene ND ppb v/v 0.1785 USEPA TO-15 10/29/01 Hexachloro-1,3-Butadiene ND ppb v/v 0.1976 USEPA TO-15 10/29/01

John Pedneault Page; 16 of 16 ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS EU\P #10224 NR=NON REPORTABLE RESULTS MWBE #46075

CITY_21MC100_003071400

NYC-WTC_000203371