NYC-WTC_000187595

NYC 9/11 Public Portal Document 10/10/2001 10:46 6314676905 PEDNEAULT ASSOCIATES PAGE 13

J Prepared Exclusively For: P£I>NEAULTASSOCIATES, INC NYCDEP-Emergency Response & Tech Aismt. I6IS NINTHAySNUg. BOX205. BOHEKHA, N.Y 11716

96-05 Horace Harding Expressway LAB#: 01100168 Corona NY 11368 PROJECT ro WORLD TRADE CENTER-5 Boro Sampling (718) 595-4650 MATRIX: AlR\GAS I.......... 1,1,2-Trichloroethane NO ppb v/v 0,0896 USEPA TO-15 lO/S/OJ Toluene 1.47 ppb v/v 0.0735 USEPA TO-15 10/8/01 1,2-Dibromoethan0 ND ppb v/v 0.0971 USEPA TO-15 10/8/01 Tetrachloroethene ND ppb v/v 0.0845 USEPA TO-15 10/8/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 10/8/01 Ethylbenzene 0.33 ppb >/l\/ 0.0744 USEPA TO-15 10/8/01 ! m,p-XyIene 0.83 ppb v/v 0.1785 USEPA TO-15 10/8/01 Styrene ND ppb v/v 0.0896 USEPA TO-15 10/8/01 1,1,2,2-Tetrachloroethani5 ND ppb v/v 0.1471 USEPA TO-15 10/8/01 o-Xylene 0.33 ppb v/v 0.0111 USEPA TO-15 10/8/01 1.3,5-Trimethylbenzene 0.15 ppb v/v 0.0757 USEPA TO-15 10/8/01 1,2,4-Trimethylbenzene 0.33 ppb yjN 0.1511 USEPA TO-15 10/8/01 1,3-Dichlorobenzene ND ppb v/v 0,1564 USEPA TO-15 10/8/01 1,4-Dichlorob9nzene ND ppb Miy 0,169 USEPA TO-15 10/8/01 1,2-Dichlorob9nz0ne ND ppb v/v 0.2014 USEPA TO-15 10/8/01 1,2,4-Trichlorobenzene ND ppb v/v 0.1785 USEPA TO-15 10/8/01 Hexachloro-1,3-Butadiene ND ppb v/v 0.1976 USEPA TO-15 10/8/01

John Pedncault Page 2 of 14 Lab Director ND-RESULT IS EQUAL TO OR LESS THAN MDL NYS ELAP #10224 MWBE #46075

CITY_21MC100_002968752

NYC-WTC_000187596