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VOC analysis results, sample AE12531, May 2002

Machine-extracted title · confidence 95%

Laboratory report for volatile organic compounds in sample AE12531 analyzed on May 24, 2002.

NYC-WTC_000083681–000083805

Folder label: “524 5/24/02 - 5/25/02

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NYC 9/11 Public Portal Document

User: Huhn, William Westchester Dept, of Labs & Research Date: 06/03/2002 Time: 11:42:39

Sample: AE12532 Analysis:. $S_524 Spike recovery for 524 Units: ug Started: 5/24/02 00:03 Ended: 5/24/02 00:03 Analyst: BH Result source: manual entry Page: 1

w Result Surr - 1,2-DICHLOROETHANE- 4.7 .5 Surr - 4-BROMOFLUOROBENZ 5.3 .5 Dichlorodifluoromethane 14 •5 Chloromethane 19 .5 Vinyl chloride 14 .5 Bromomethane 18 .5 7 Chloroethane 21 •5 T richlorof luoromethane 18 .5 1,1-Dichloroethene 17 .5 10 Methylene Chloride 20 .5 Methyl tert-butyl ether (MTBE) 18 1.0 trans-1,2-dichloroethene 21 .5 1,1-dichloroethane 21 .5 Bl [2-butanone (MEK) 87 2.0 l2,2-dichloropropane 20 .5 cis-1,2-dichloroethene 21 .5 17 *THM-Chloroform 20 .5 rm risr Bromochloromethane 1,2-dichloroethane 22 19 .5 .5 Surr - TOLUENE-D8 4.9 .5 21 1,1,1- trichloroethane 17 .5 s*1kJ**J-------- :--------------------- : 1,1-dichloropropene 19 .5

ft Carbon tetrachloride Benzene Trichloroethene 17 21 19 .5 .5 .5 r 1,2-dichloropropane 20 .5 2.7 Dibromomethane 18 .5 It *THM-Bromodichloromethane 20 .5

w Methyl iso-butyl ketone (MIBK) cis-1,3-dichloropropene Toluene 92 20 21 1.0 .5 .5 trans-1,3-dichloropropene 19 .5 "IF 1,1,2-trichloroethane 19 .5 Tetrachloroethene 20 .5 "W'"’ 1,3-dichloropropane 20 .5 ; 36 *THM-Dibromochloromethane 20 2.0 3? Chlorobenzene 20 .5 3$ 1,1,1,2-tetrachloroethane 18 .5 21 .5 P & M-xylene 42 .5 O-xylene 21 .5 Styrene 21 .5 1,1,2,2-tetrachloroethane 20 .5 *THM-Bromoform 21 2.0 Isopropylbenzene 21 .5 LIL 1,2,3-trichloropropane 18 21 .5 .5 N-propylbenzene Bromobenzene 1 20 .5

NYC-WTC_000083699

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NYC-WTC_000083699Source: NYC Law Department, mirrored locally

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