NYC-WTC_000203398

NYC 9/11 Public Portal Document

'•'I

Volatile Organic Compounds (VOC) Air Sampling Analysis Results Non-Potable Water Tests for Freon 22' World Trade Center Path station Level B6 • Collection Date: 10/1/01 * Units; ppbv/v WTC Path Station Level BO * Collection Date; 10/0/01 • Units: pg A

[^^oAnttt^inant Sample 1 Contaminant Sample 1 Parameter Sample 1 Sample? Samples Sample4 i^ftiofomelhdnc 2Jj 1.1,2-Trichlofethane ND Large Pool of Waler Large Pool ofWaler Small Poo! ofWater Small Pool of Waler East Side East Side WTC Westside Path Tracks Westside Path Tracks liOFD methane ND Tolupne 7.16

V-Dichlorotetrafiuoroethane ND 1,2-Oibromoetliane ND Chlorodifluoromethane (Freon 22) 441 605 28.8 47.3 Vitiyf Chloride ND Tetiachloroethene 0-62

Bromomethane NO Chlorobenzene ND

Chloroethane ND [thylbeniene 2.73

Itichtatofluoromethane 0-90 m.p-Xylene 4.005

K' 1,1-Oidiloroethene ND Styrene 127 Non-Potable Water Tests for Sa Unity Methylene chloride ND 1,1^,2-TetrachloiwihanE NO WTC Path Station Level B6 • Collection Date: 10/1/01 * Units; ppt practical freon 113 0.4S o-Xylene 1.41

1,1-Difhlnroethane NO 1,3.5'Tn 0.39 Parameter Sample 1 Sample? Methyl-tert-buty! ether 4.21 V.l-rrimethylbenzene 1.03 Smail Pool Water Small Pool Water Westside Path Tracks Westside Path Tracks ds-U-Dichkiroethene ND U-DkhloroberHene ND

Salinity IB.O 18.0 1 Chlorafonn

U-Dichloroethane 1.46

ND l.A-Bichlorobeiizene

1,2 Dichlorobenzene 0.44

ND

1,1.1-Tricfiloroethane 0.11 1,2/-Tri':hlarobenz<;ne ND

Benzene 4.94 Hpwf:hloro-1,3-Sutacliene ND

Carbon Tetrachloride 0.12 Tentatively Ids B6 Level (Path Train) 1,2-DIchloropropane ND 1.1,1,2-Tetraf;uoroethane 2.37 10/1/01 Trichloroelheiie 2.01 Freon 142 690

ds-i,3-t ND 2-Methyl butane 1.52 02 20.9% trans-I,3-Oichioropri)pene ND Acelone 4.82 HiS 6-8PPM

LEL OPPM Air/Gas Sample Tests for Freon 22 CO OPPM Wre Path Station Level B6 ■ Collection Date: 10/0/01 * Units: ppbv/v PiD OPPM Kl I F!D 0 PPM Parameter Sample 1 Freon 22 OPPM Chiorodifiuuroriieiriane (Freon 22) 3,/2

54 55

NYC-WTC_000203402