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Volatile organic compounds analysis results, April 29, 2002

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Laboratory report detailing analytical results for volatile organic compounds in sample AE09681 collected on April 29, 2002.

NYC-WTC_000021854–000021967

Folder label: “524 4/29/02

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NYC 9/11 Public Portal Document

User: Huhn, William Westchester Dept. of Labs & Research Date: 04/30/2002 Time: 14:58:26

Sample: AE09681 Analysis: $C2524 Volatile Organic Compounds-Cal 2 Units: ug Started: 4/30/02 00:05 Ended: 4/30/02 00:05 Analyst: BH Result source: a:\0429c10b.rr Page: 1 T Component Name Viol Result Qualifier MDL -V Surr 1,2-DICHLOROETHANE-D 27 5.1 .5 Surr 4-BROMOFLUOROBENZE 4.6 .5 37 Dichlorodifluoromethane 11 .5 k4 Chloromethane 53 11 .5 Vinyl chloride 11 .5 6 Bromomethane 11 .5 77 Chloroethane ' 10 .5 8 , T nchlorofluoromethane ' 10 .5 9t 1,1 Dichloroethene 10 Methylene Chloride 9.8 .5 10 .5 11 Methyl tert-butyl ether (MTBE) 9.6 1.0 ,32 trans-1,2-dichloroethene 10 ‘.5

IT' 1,1 -dichloroethane 10 .5 14, 2-butanone (MEK) 37 2.0 15 2,2-dichloropropane 8.1 .5 16 cis-1,2-dichloroethene 10 .5 ,17 Chloroform 10 .5 18: Bromochloromethane 10 .5 19 1,2-dichloroethane 10 .5 20J Surr TOLUENE-D8 5.1 .5 21- 1,1,1- trichloroethane 9.7 .5 -22” 1,1 -dichloropropene 9.7 .5 23 Carbon tetrachloride 9.4 .5 241 Benzene 11 .5 2b Trichloroethene 10 .5 26 1 1,2-dichloropropane 10 .5 27 Dibromomethane 11 .5 28 Bromodichloromethane 10 .5 29 Methyl iso-butyl ketone 49 1.0 30 cis-1,3-dichloropropene 10 .5 31 Toluene 11 .5 32 trans-1,3-dichloropropene 10 .5 . 33" 1,1,2-trichloroethane 11 .5 .344 Tetrachloroethene 11 .5 35 1,3-dichloropropane 11 .5 36" Dibromochloromethane 10 2.0 37 Chlorobenzene 11 .5 38 1,1,1,2-tetrachloroethane 11 .5 39, Ethylbenzene 12 '75 40 P & M-xylene 24 .5.5 41 O-xylene 12 — 42 Styrene 12 .5 43 1,1,2,2-tetrachloroethane 11 .5 44; Bromoform 9.3 2.0 45 Isopropylbenzene 12 .5 46 1.1,2,3-trichloropropane 11 .5 47 N-propylbenzene 11 .5 48 Bromobenzene 11 .5

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NYC-WTC_000021909Source: NYC Law Department, mirrored locally

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