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Volatile organic compounds blank results, Feb 28 2002

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Laboratory analysis results for volatile organic compounds blank sample AE03921 dated February 28, 2002.

NYC-WTC_000020548–000020749

Folder label: “524 2/28/02 TO 3/2/02

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NYC 9/11 Public Portal Document

User: Huhn, William Westchester Dept. of Labs & Research Date: 03/04/2002 Time: 14:02:16

Sample: AE03923 Analysis: $524 Volatile Organic Compounds Units: ug Started”2/28/02 00:01 Ended: 2/28/02 00:01 Analyst: BH Result source: a:\03923.rr Page: 1

Component Name Viol Result MDL Surr- 1,2-DICHLOROETHANE- 5.7 0.5 2 Surr-4-BROMOFLUOROBENZ 5.1 0.5 137 Dichlorodifluoromethane < MDL 0.5

3 6 Chloromethane Vinyl chloride Bromomethane < MDL < MDL < MDL 0.5 0.5 0.5 2 Chloroethane < MDL 0.5

B. Trichlorofluoromethane 1,1 -Dichloroethene < MDL < MDL 0.5 0.5 10 Methylene Chloride < MDL 0.5 11” Methyl tert-butyl ether (MTBE) < MDL 1.0 12 trans-1, 2-dichloroethene < MDL 0.5 13 1,1-dichloroethane < MDL 0.5 14 2-butanone (MEK) < MDL 2.0 151 2,2-dichloropropane < MDL 0.5 cis-1,2-dichloroethene < MDL 0.5 17 *THM-Chloroform 26 0.5 REVIEWED BY_V 18" Bromochloromethane < MDL 0.5 I / 197 1,2-dichloroethane < MDL 0.5 *20 ' Sur-TOLUENE-D8 4.6 0.5 DATE 21 1,1,1- trichloroethane < MDL 0.5 92 1,1 -dichloropropene < MDL 0.5 23 Carbon tetrachloride < MDL 0.5 24 Benzene < MDL 0.5 “25 Trichloroethene_____________ < MDL 0.5 ~26 1,2-dichloropropane < MDL 0.5 27 Dibromomethane < MDL 0.5 28 • THM-Bromodichloromethane 6.9 0.5 Methyl iso-butyl ketone (MIBK) < MDL 1.0 30 cis-i ,3-dichioropropene < MDL 0.5 31 T oluene 32 trans-1,3-dichioropropene < MDL 0.5 < MDL 0.5 3x? T1,1etrachloroethene “34 ,2-trichloroethane < MDL < MDL 0.5 0.5 35 1,3-dichloropropane < MDL 0.5 36 * THM-Dibromochloromethane < MDL 2.0 37 Chlorobenzene < MDL 0.5 1,1,1,2-tetrachloroethane < MDL 0.5 39 Ethylbenzene < MDL 0.5 P & M-xyiene < MDL 0.5 ca1 O-xylene 42 ’ Styrene < MDL < MDL 0.5 0.5 1,1,2,2-tetrachloroethane < MDL 0.5 44 •THM-Bromoform < MDL 2.0 45 Isopropylbenzene < MDL 0.5 E . 1,2,3-trichIoropropane < MDL 0.5 | 47 J N-propylbenzene < MDL 0.5 Bromobenzene < MDL 0.5

NYC-WTC_000020621

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NYC-WTC_000020621Source: NYC Law Department, mirrored locally

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