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VOC surrogate recovery data, Site 524, Sept-Oct 2001

Machine-extracted title · confidence 100%

Table of VOC surrogate recovery percentages for sample AD23606 from Site 524 processed in late September and early October 2001.

NYC-WTC_000000362–000000369

Folder label: “524 10/1 - 10/10/01

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NYC 9/11 Public Portal Document

User: Vannelli, Sandy Westchester Dept. of Labs & Research Date: 10/12/2001 Time: 10:32:35

Sample: AD23606 Analysis: SO_524 Volatile Organic Compounds-Reference Rec Units: ug Started: 09/26/01 09:42 Ended: 09/27/01 09:42 Analyst: WB Result source: manual entry Page: 1

I ISurr -1,2-DICHLOROETHANE-DI 4.9 .5 1Surr - 4-BROMOFLUOROBENZEi 5. - T.5 3 1,Dichlorodifluoromethane 112.5 .5 4 'Chloromethane 87.5 .5 5 Vinyl chloride 85 .5 6 Bromomethane 87.5 '.5 7 'Chlorcethane 87.5 5 8 'Trichlorofluoromethane 90 5 9 ' 1,1-Dichloroethene _95 5 10 'Methylene Chloride 87.5 .5 11 Methyl tert butyl ether 185 15 1.0 21 trans-1,2-dichloroethene 100 13 1,1-dichloroethane 5 .5 14 '2-butanone (ME10 2.0 15 2,2-dichloropropane 1 5 5 16 ;cis-1,2-dichioroethene 102.5 .5 - 5 17 Chloroform '92.5 18 Bromochloromethane j90 -.5 19 1,2-dichloroethan_e ~87.5 .5 20 Surr-TOLUENE-D8 c .5 21 1,1,1-trichloroethane 105 .5 22 1,1-dichloropropene 107.5 .5 23 Carbon tetrachloride 102.5 .5 24 'Benzene 100 5 25 Trichloroethene 102.5 5 26 1,2-dichloropropane 95 5 27 :Dibromomethane 97.5 5 82 'Bromodichloromethane 100 .5 29 MethVI iso-butyl ketone +97.5 1.0 30 .cis-1,3-dichloropropene 122.5 .5 31 Toluene 97.5 5 32 trans-1,3-dichloropropene 125 5 33 1,1,2-trichloroethane 95 _.5 34 Tetrachloroethene 100 _ .5 35 1,3-dichloropropane 195 ~5 36 Dibromochloromethane - 100 - 2.0 37 'Chlorobenzene I95 .5 38 1,1,1,2-tetrachloroethane 100 .5 39 'Ethylbenzene 102.5 .5 40 P & M-xylene 100 .5 41 0-xylene 107.5 .5 42 Styrene 107.5 .5 43 1,1,2,2-tetrachloroethane 92.5 .5 44 Bromoform 105 2.0 45 Isopropylbenzene 107.5 5 46 1,2,3-trichloropropane 92.5 5 47 'N-propylbenzene 100 5

NYC-WTC 000000362

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NYC-WTC_000000362Source: NYC Law Department, mirrored locally

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