WTC sample cover sheet, Dec 28 2001

NYC 9/11 Public Portal Document

User: Huhn, William Westchester Dept. of Labs & Research Date: 12/31/2001 Time: 11:41:34 Sample: AD31466 Analysis: $C1 524 Volatile Organic Compounds-Cal 1 Units: ug Started: 12/28/01 00:00 Ended: 12/28/01 00:00 Analyst: BH Result source: m:\instruments\206\rrfiles\1228c10.rr Page: 1 u• .vvv v . •:. y..i:.vw: :.n•:.vy\...vuvvnv.: vvv:v •:.:i ::•°.Yi~Y.:•'•:2 `i.. v ::. ..vv. •:•:v::i:•:•;i}:. v :...•. • •:ik •.i~ii`.::~ i vi+ . ,s .: .~.•,.+,5?~:~,~'<..•.•....,•.~...''..•...•..:''.:::`i:;{:`:L`:~h::•`.:'y?f v:6rh v.......tvv:nv:::::.v...2vv.:vv:vv w::.:•:.:vv.~::::.. ....: ~~n...n i~:~2i~ ,:`.'t::,::i:>?::: tt.~., :~;..±!1 Surr 1,2-DICHLOROETHANE- 15.1 .5 :>t Surr4-BROMOFLUOROBENZE 5.4 •5 Dichlorodifluoromethane Ii2 .5

• Trichlorofluoromethane 13 .5 ti# 1,1-Dichloroethene 9.4 .5 Methylene Chloride 9.3 .5 ''• >> Methyl tert-butyl ether 7.9 1.0 •`:`:'•.12 trans-1,2-dichloroethene 8.5 .5 1,1-dichloroethane 9.2 .5 2-butanone (MEK) 7.4 2.0 2,2-dichloropropane 9.2 •5 cis-1,2-dichloroethene 8.9 .5 z= Chloroform 10 .5 Bromochloromethane 9.0 .5 1,2-dichloroethane 8.8 .5 +k' Surr TOLUENE-D8 5.7 .5 1,1,1- trichloroethane 12 .5 .'.. `' 1,1-dichloropropene 11 .5 2. Carbon tetrachloride 12 .5 9 Benzene . 11 •5 Trichloroethene 11 .5 qt 1,2-dichloropropane 10 .5 Dibromomethane 12 .5 Bromodichloromethane 12 .5 Methyl iso-butyl ketone 8.1 1.0 cis-1,3-dichloropropene 10 .5 Toluene 10 .5 trans-1,3-dichloropropene 11 .5 1,1,2-trichloroethane 11 .5 Tetrachloroethene 11 .5 1,3-dichloropropane 11 .5 zy i Dibromochloromethane 12 2.0 Chlorobenzene 11 .5 1,1,1,2-tetrachloroethane 11 .5 " ''• Ethylbenzene 11 .5 :•' ?? P & M-xylene 21 .5 ) '# O-xylene 11 .5 Styrene 10 .5 1,1,2,2-tetrachloroethane 13 .5 44 Bromoform 9.6 2.0 Isopropylbenzene 8.0 .5 1,2,3-trichloropropane 8.8 .5 N-propylbenzene 8.4 .5 ?'•.# Bromobenzene 9.3 •5

NYC-WTC 000002747