NYC-WTC_000187430

NYC 9/11 Public Portal Document

09/26/2001 : bi b314b .'b905 PEDNEAULT AEbUClAfES PASE 12

[ J prepared Exclusive/y For. fEDNEA UL TASSOCIA TES, INC. NYCDEP-Emergency Response & Tech Assmt. 1615 f</INTlfAVE^njE. BOX:a5. BOHEMrx NY. ! 1716

96-05 Horace Harding Expressway LAB#: 01090294 Corona NY 11368 PROJECT ID WORLD TRADE CENTER - 5 Boro Air Sampling <718) 595-4650 MATRIX: AIH\GAS

r_________ 1.1,2-TrichloroGthane ND ppb v/v 0.0896 IJSEPATO-15 9/24/01 Toluene 57,7 ppb v/v 0.073S USEPA TO-IS 9/24/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 9/24/01 Tetractiloroettiene ND ppb v/v 0.0845 IJSEPATO-15 9/24/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 9/24/01 ISthyl benzene 10.2 ppb v/v 0.0744 USEPA TO-15 9/24/01 m.p-Xylane 27.6 ppb v/v 0.1785 USEPA TO-15 9/24/01 Styrene 0.24 ppb v/v 0.0896 USEPA TO-15 9/24/01 1,1,2,2-Tetrachloroethane ND ppb v/v 0.1471 USEPA TO-15 9/24/01 o-Xylene 10.1 ppb v/v 0.0111 USEPA TO-15 9/24/01 1,3.5-Trl methyl benzene 2.24 ppb v/v 0.0757 USEPATO-1S 9/24/01 1,2,4-Trim0thylben20ne 7.38 ppb v/v 0.1511 USEPA TO-15 9/24/01 1.3-Dichlorobenzene ND ppb v/v 0.1564 IJSEPATO-15 9/24/01 1,4-Dlchloroben2ene ND ppb v/v 0.169 IJSEPATO-15 9/24/01 1.2-Dichlorob0nz0ne ND ppb v/v 0.2014 IJSEPATO-15 9/24/01 1,2,4-Trichlorobenzeno ND ppb v/v 0.1785 USEPA TO-15 9/24/01

Hexachloro-1,3-Butadlene ND ppb v/v 0.1976 IJSEPATO-15 9/24/01 Teniativety Identified Comptxjnds 9/24/01 2-Methyl butane 11.5 ppb v/v 9/24/01 Pentane 5.29 ppb v/v 9/24/01 Methylcyclobutane 5.B4 ppb v/v 9/24/01 i2-Methyl Pentane 14.7 ppb v/v 9/24/01 3-Methyl pentane 8.97 ppb v/v 9/24/01 methyl oyclopentane 11.4 ppb v/v 9/24/01 3-Methyl hexane 5.80 ppb v/v 9/24/01 2,3,4-Trimethyl pentane 5.61 ppb v/v 9/24/01

John Pedneault Page 2 of 14 ND-RESULT IS EQUAL TO OR LESS THAN MJ3L Lab Director NYS ELAP #10224 MWBE #46075

CITY_21MC100_008914329

NYC-WTC_000187431