WTC sample cover sheet, Dec 19 2001

NYC 9/11 Public Portal Document

User: Huhn, William Westchester Dept. of Labs & Research Date: 12/20/2001 Time: 11:45:01 Sample: AD30111 Analysis: $C1524 Volatile Organic Compounds-Cal 1 Units: ug Started: 12/19/01 00:01 Ended: 12/19/01 00:01 Analyst: BH Result source: m:\instruments\206\rrfiles\1219c10.rr Page: 1 .v:vv v:.v.v:.v::... .. .:. ... . ..?.::•.???•.vivi} ;. .v. v:•. ::.:.vv. w::.v::::.. ~y.} vv '•}}::j~am~ .:.x•.::v:i?:?.:v.•.vvw:::• • }:(6ff-1~::..~• •}:.:C:•'!•5:.:.::.: .... •.. v~::.+,::ur::i4:::: }xv}} . v....::.x:•:.vxxxvxv• ~:ititi•:.`;iii.`:':v:}.: .. vv .ti~ •`.`.2,`.•:-~.3'ti>}::::' i:yY;;'..:>}~~: .•.. :.. vv::::vi•...::::v:.xxwvw:nvv.-.uv'.•:-:i:?.i::}:.x:.. ??...... ........~ ( ~}.vvi.::>?':: Surr 1,2-DICHLOROETHANE- 5.6 J • Surr 4-BROMOFLUOROBENZEj 5.5 J I Dichlorodifluoromethane 9,9 I

` Bromomethane 12 .5

Trichlorofluoromethane 13 ,5 # : < 1,1-Dichloroethene 9,6 .5 > Methylene Chloride 11 .5 > :; Methyl tert-butyl ether 8.8 1.0 trans-1,2-dichloroethene 9.6 .5 .< 1,1-dichloroethane 9,9 .5 •.`,z;: ` 2-butanone (MEK) 11 2.0 2,2-dichloropropane 11 5 C's-1,2-dichloroethene 9.2 .5 Chloroform ii 5 Bromochloromethane 11 5 1,2-dichloroethane 11 5 < SurrTOLUENE-D8 5,0 .5 '#z€ 1,1,1- trichloroethane 10 ,5 1,1-dichloropropene 10 .5 Carbon tetrachloride 11 ,5 ':<';<Benzene 9.4 5 Trichloroethene 9.5 5 16 1,2-dichloropropane 9.4 5 < + .'• Dibromomethane 8.7 5 Bromodichloromethane 11 .5 Methyl iso-butyl ketone 8.9 1.0 `. , . C's-1,3-dichloropropene 9.6 ,5 mt Toluene 9.1 5 trans-1,3-dichloropropene 10 ,5 1,1,2-trichloroethane 9.4 ,5 Tetrachloroethene 8.8 .5 31xs 1,3-dichloropropane 9.8 .5 Dibromochloromethane 9.4 2.0 r #' Chlorobenzene 9,2 5 1,1,1,2-tetrachloroethana 9.6 .5 :< 1$z Ethylbenzene 9,7 .5 z P & M-xylene 18 .5 :#• ' ? 0 xylene 10 .5 Styrene 9.3 5 " 1,1,2,2-tetrachloroethane 11 5 44 Bromoform 8.7 2.0 Isopropylbenzene 8.2 1,2,3-trichloropropane 8.2 5 4 N-propylbenzene 8.6 5 Bromobenzene 8.1 .5

NYC-WTC 000002241