NYC-WTC_000203412

NYC 9/11 Public Portal Document

Volatile Organic Compounds (VOC) Air Sampling Analysis Results * Volatile Organic Compounds (VOC) Air Sampling Analysis Results Correction Date: 10/8/01 • Units; ppbv/v Collection Date: 10/8/01 • Units: ppbv/v

Contaminant Queens Bronx Manhattan Brooklyn Brooklyn Staten Island Contaminant Queens Bronx Manhattan Brooklyn Brooklyn Staten Island Broadway Ave n8«st& Central Park N. Berry St & Atlantic Ave & BayS(& Broadway Ave 138'^ St & Central Park N. Berry St & ArJanTicAve& Bay St & &31«St 3^ Ave & Lenox North Smith St Victory Blvd &31«St & Lenox North 11** St Smith St Victory Blvd Dichk 0.5S 0.47 0.58 0.57 0.42 0.55 fthflbenzene 0.73 0.71 0.30 0.59 0.15

Chloromethane 0.61 0.50 0.61 0.88 0.59 0.80 m,p-Xylene N3 1.97 3.64 0.55 1.25 021

1,2-Okhloratetr3fliinro«hatie ND NO ND NO ND ND SV/rene 0.13 0.11 0.60 o.n 0.15 ND

Viryi Chloride NO ND HD ND ND NO 1,1.2.2-TetrachloroeThane ND ND HD ND NO ND

Bromomethaiie ND NO NO NO ND ND o-Xykne 0.68 0.62 1.32 0.20 , 0.46 0.08

Chiofoetliane ND ND ND ND ND ND l,3.S-TrinieTtiylben2ere 0.22 0.18 0.47 NO 0.16 ND

Trkhfcrofiijofoniettiane 0.50 ND 0.22 0.23 ND 0.22 1.2,4-Triniethylhen2?ne 0.66 0.64 1.58 0.21 0.52 NO 1,1-Dichloroethene ND ND ND ND NO NO USkhhfob&izene ND ND ND HD ND ND

Methylene chloride ND HD ND ND NO NO ' 1,4-Dichloro6enzene 0.22 ND ND NO HO ND freon 113 HD HD ND HD ND HD 1.2-Dichlofobenzene ND NO NO ND NO NO 1,1 Oichinrnfthane ND HD HD HO ND ND 1.7.4 Trichlorobenzene 0.43 HD ND ND ND HD

Methyl-tert-butyl ether 2.79 1.12 5.54 0.77 1.37 075 Hexochloro-1,3-BiiTadiene 0.29 ND ND NO ND ND

cis-1,2-DicW<)roethefie HD HD ND HD ND ND Ter

Chloroform NO NO RD HO ND NO 2-Mpthyl bitane 1.30 2.8S 1.12

1,2 Dichloroethane ND ND NO NO NO ND 2 Methyl Penrane 1.48

l,l,l-Trichloroe:hane ND HO NO ND ND ND 3 Methyl pentane 1.14

Benzene 0.62 0.55 5.3U 0.76 1.06 0.33 Pentane 1.41

Carbon Tetrachloride 0.14 0.11 0.12 0.11 0.12 0.12 2-Methyn-1 Propene 2.15

1.2-Dkhlorop{<ipane NO ND HO NO ND ND Propene 2.4«

Tzkhioroelhene ND HD NO ND NO ND 2,2,</-Ietramethylhei(ane 1.03

ds 1.3-0ichli)tapropene ND ND ND HD ND HD

trans-lJ-Difhloropropene ND ND ND ND NO ND

1.1,2-TrichlOfethaiie ND NO ND NO NO NO

Toluene 3.93 4.46 9.(8 1.08 2.32 0.39

U-Cibrorrwcth,- NO HD NO ND NU ND

Tetrai.hkroPlIipne on HO ND ND NO ND Cc CIrbrobenzene ND NO NO ND ND NO

I. 188 189

N YC-WTC_000203413