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: 11:58:39 Sample: AD31631 Analysis: $524 Volatile Organic Compounds Units: ug Started: 12/28/01 00:09 Ended: 12/28/01 00:09 Result source: m:\instruments\206trrfiles\31631.rr Analyst: BH Page: 1

•..::., :.:... ::~:t •...s.....vvv.... y ...:...:•::.. .v ~..ti:v::"'• ,'•:>•'•: ..v:.vvu::t. ...vi.^ : :.:: :v:.•::...v..... t<v...•. 'S:vv..vv::Lo:"•:::v:..•.:":•. •'i>::{'??''2{4~.:::.v::v'•:: gp ^::;},}v.::hy. ,.a~;, :vv, : :n:v .. ^ v...n.v~i3.•:i v}:i.:..v vvv:.t3.v:J~:: ......vS•.R$?~4::•3?~;:~i;•: :.:::. : ;:i::i Surr - 1 2 DICHLOROETHANE Surr - 4 BROMOFLUOROBENZ J 1 0.5 T 4.3 0.5 Dichlorodifluoromethane < MDL 0.5 Chloromethane < MDL 0.5 Vinyl chloride < MDL 0.5 - mvI 0.5 Chloroethane < MDL 0.5 >u' Trichlorofluoromethane < MDL 0.5 1,1-Dichloroethene < MDL 0.5 Methylene Chloride < MDL 0.5 • Methyl tert-butyl ether (MTBE) < MDL 1.0 trans-1,2-dichloroethene < MDL 0.5 ' 1,1-dichloroethane < MDL 0.5 2-butanone (MEK) < MDL 2,0 2,2-dichloropropane < MDL 0.5 REVIEWED BY 3 cis-1,2-dichloroethene < MDL 0.5 C#; *THMChloroform < MDL 0.5 DATE Bromochloromethane < MDL 0.5 1,2-dichloroethene < MDL 0.5 l`> Surr - TOLUENE-D8 4.9 0.5 1,1,1- trichloroethane < MDL 0.5 1,1-dichloropropene < MDL 0.5 Carbon tetrachloride < MDL 0.5 Benzene < MDL 0.5 Trichloroethene < MDL 0.5 1,2-dichloropropane < MDL 0.5 Dibromomethane < MDL 0.5 *THM-Bromodichloromethane < MDL 0.5 Methyl iso-butyl ketone (MIBK) < MDL 1.0 cis-1,3-dichloropropene < MDL 0.5 Toluene < MDL 0.5 trans-1,3-dichloropropene < MDL 0.5 1,1,2-trichloroethane < MDL 0.5 Tetrachloroethene < MDL 0.5 1,3-dichloropropane < MDL 0.5 *THM-Dibromochloromethane < MDL 2,0 Chlorobenzene < MDL 0.5 1,1,1,2-tetrachloroethane < MDL 0.5 Ethylbenzene < MDL 0.5 P & M-xylene < MDL 0.5 O-xylene < MDL 0.5 Styrene < MDL 0.5 1,1,2,2-tetrachloroethane < MDL 0.5 *THM-Bromoform < MDL 2,0 Isopropylbenzene < MDL 0.5 1,2,3-trichloropropane < MDL 0.5 N-propylbenzene _<MDL 0.5 Bromobenzene < MDL 0.5

NYC-WTC 000002804