WTC sample cover sheet, Dec 27 2001

NYC 9/11 Public Portal Document

User: Huhn, William Westchester Dept. of Labs & Research Date: 12/31/2001 Time: 11:29:11 Sample: AD31458 Analysis: $D_524 Volatile Organic Compounds-Duplicate Units: ug Started: 12/28/01 00:02 Ended: 12/28/01 00:02 Analyst: BH Result source: m:\instruments\206\rrfiles\31458d.rr Page: 1 .:.:•:'•::3i??.•'v:0?:h:4i:•?.•.}}••x~•~..:<y:.~:::n'•:y..~~•:~~::([. •: <v:... :. ~:::;:;{+i:::ivy::: .•.<v..:. ::ti:::??i:??:.•.;.. :.:::v v:•n?;n;. •.;.v.•.•.•.•.?vry•.i::?x?v.<:. .:~:ti:?,:::•'~~o•:::. :Y,.:ti' '''ii

Surr 1,2-DICHLOROETHANE- 4.8 .5 2.'•' Surr - 4-BROMOFLUOROBENZ 3.9 .5 Dichlorodifluoromethane < MDL .5 if = Chloromethane < MDL .5 "$£< Vinyl chloride < MDL .5 # t+ . Bromomethane < MDL .5 :. Chloroethane < MDL .5 Trichlorofluoromethane < MDL .5 ` 33> 1,1-Dichloroethene < MDL .5 Methylene Chloride < MDL .5 Methyl tert-butyl ether (MTBE) < MDL 1.0 `? trans-1,2-dichloroethene < MDL .5 •?:•% 1,1-dichloroethane < MDL .5 14. 2-butanone (MEK) < MDL 2.0 2,2-dichloropropane < MDL .5 cis 1,2 dichloroethene < MDL 5 7zi# *THM-Chloroform < MDL .5 Bromochloromethane < MDL .5 1,2-dichloroethane < MDL .5 TOLUENE-D8 5.1 .5 1,1,1- trichloroethane < MDL .5 a 1,1-dichloropropene < MDL .5 Carbon tetrachloride < MDL .5 • Benzene < MDL .5 Trichloroethene < MDL .5 1,2-dichloropropane < MDL .5 Dibromomethane < MDL .5 *THM-Bromodichioromethane < MDL .5 Methyl iso-butyl ketone (MIRK) < MDL 1.0 cis-1,3-dichloropropene < MDL .5 ', ?.`>• Toluene < MDL .5 trans-1,3-dichloropropene < MDL .5 1,1,2-trichloroethane < MDL .5 Tetrachloroethene < MDL .5 fi x`::: 1,3-dichloropropane < MDL .5 r' *THM-Dibromochloromethane < MDL 2.0 Chlorobenzene < MDL .5 1,1,1,2-tetrachloroethane < MDL .5 +° ::ti Ethylbenzene < MDL .5 90 P & M-xylene < MDL .5 41 O-xylene < MDL .5 Styrene < MDL .5 i 1,1,2,2-tetrachloroethane < MDL .5 *THM-Bromoform < MDL 2.0 Isopropylbenzene < MDL .5 1,2,3-trichloropropane < MDL .5 41 N-propylbenzene < MDL .5 z' Bromobenzene < MDL .5

NYC-WTC 000002693