NYC-WTC_000187430

NYC 9/11 Public Portal Document

06/26/2001 1 3 64 6314078905 PtDNEAULT ASSUCIAFES PAUL 20

r Prepared Exclusively For: PEDNEAVLTASSOCIATES, INC. MYCDEP-Emergency Response & Tech Assmt. 161! MNTHAy£>IV£. BOX 205. BOHEMIA. N.Y. 11716

96-05 Horace Harding Expressway LAB#: 01090294 Corona hiY 11368 PROJECT ID WORLD TRADE CENTER - 5 Boro Air Sampling (718) 595-4650 MATRIX: AIRVGAS

r m,p-Xylone 5.52 ppb v/v 0.1785 USEPATO-15 9/24/01 Styrene 0.35 ppb v/v 0.0896 USEPA TO-IS 9/24/01 1,1,2,2-Tetrachloroethane ND ppb v/v 0.1471 USEPA TO-15 9/24/01 0-Xylena 2.01 ppb v/v 0.0111 USEPATO-15 9/24/01 ; 1,3,5-TrimGfhylben2ene 0.73 ppb v/v 0.0757 USEPATO-15 9/24/01 j----------------------------------- I 1,2,4-Trimethylben2en0 2.52 ppb v/v 0.1511 USEPATO-15 9/24/01 ; 1,3-Dlchloroben2ene ND ppb v/v 0.1564 USEPA TO-15 9/24/01 1,4-Dichtorobenzer)e 0.17 ppb v/v 0.169 USEPATO-15 9/24/01 1,2-Dichlorobenzene ND ppb v/v 0.2014 USEPA TO-15 9/24/01 1,2,4-T richicrobenzene ND ppb v/v 0.1705 USEPATO-15 9/24/01 Hexachloro-1.3-Butadiene ND ppb v/v 0.1976 USEPA TO-15 9/24/01 lentativoly Identified Compounds 9/24/01 2-Methyl butane 2.54 ppb v/v 9/24/01 3-fi4ethyl Pontane 1.73 ppb v/v 9/24/01 3-fi4ethyl pentane 1.02 ppb v/v 9/24/01 fill ethylcyclopentane 1.22 ppb v/v 9/24/01

John Pedneault Page 10 of 14 XD-RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS CLAP #10224 uvvae #4607.5

CITY_21MC100_008914337

NYC-WTC_000187439