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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: Vannelli, Sandy Westchester Dept, of Labs & Research Date: 05/01/2002 Time: 14:27:06

Sample: AE09681 Analysis: $Q_524 Volatile Organic Compounds-Reference Rec Units: ug Started: 4/30/2002 14:53 Ended: 4/30/2002 14:53 Analyst BH Result source: manual entry Page: 1

Component Name " I ‘ " Result, MDL 1 Surr- 1,2-DICHLOROETHANE-t 4.8 .5 2 Surr - 4-BROMOFLUOROBENZI 5.1 .5 3 Dichlorodifluoromethane 124 .5 4 Chloromethane 108 .5 5 Vinyl chloride 114 .5 6 Bromomethane____________ 120 .5 7 Chloroethane 100 .5 8 Trichlorofluoromethane 96 .5 9 1,1-Dichloroethene 92 .5 10 Methylene Chloride 98 .5 11 Methyl tert butyl ether 88 1.0 12 trans-1,2-dichloroethene 96 .5 13 1,1-dichloroethane 94 .5 14 2-butanone (MEK) 85 2.0 15 2,2-dichloropropane 94 .5 16 cis-1,2-dichloroethene 96 .5 17 Chloroform 96 .5 18 Bromochloromethane 98 .5 19 1,2-dichloroethane 98 .5 20 ' Surr - TOLUENE-D8 5 .5 21 1,1,1-trichloroethane 94 ’.5

22 1,1 -dichloropropene 98 .5 23 Carbon tetrachloride 92 .5 24 Benzene 96 .5 25 Trichloroethene 98 .5 26 1,2-dichloropropane 100 .5 27 Dibromomethane 96 .5 26 Bromodichloromethane 92 .5 29 Methyl iso-butyl ketone 105 1.0 30 cis-1,3-dichloropropene 98 .5 31 Toluene 100 .5 32 trans-1,3-dichloropropene 94 .5 33 1,1,2-trichloroethane 102 .5 34 Tetrachloroethene_____ 98 .5 35 1,3-dichloropropane 102 .5 36 Dibromochloromethane 92 2.0 37 Chlorobenzene 100 .5 38 1,1,1,2-tetrachloroethane 100 .5 39 Ethylbenzene 100 .5 40 P & M-xylene 100 .5 41 O-xylene 98 .5 42 Styrene 102 .5 43 1,1,2,2-tetrachloroethane 102 .5 44 Bromoform 98 2.0 45 isopropylbenzene 102_________ .5 46 :1,2,3-trichloropropane 106 .5 47 N-propylbenzene 104 .5

NYC-WTC_000021868

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NYC-WTC_000021868Source: NYC Law Department, mirrored locally

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