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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 AD23318 from Site 524 processed in late September and early October 2001.

NYC-WTC_000000292–000000299

Folder label: “524 10/1 - 10/10/01

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NYC 9/11 Public Portal Document

User: Baglioni, Walter Westchester Dept. of Labs & Research Date: 10/15/2001 Time: 10:18:49 Sample: AD24482 Analysis: $0_524 Volatile Organic Compounds-Reference Rec Units: ug Started: 10/4/01 11:27 Ended: 10/10/01 11:27 Analyst: WB Result source: manual entry Page: 1

Component Name n Viol Result Qualifier p DL I . ; Surr - 1,2-DICHLOROETHANE- 4.8 .5 2 ^'4" Surr - 4-BROMOFLUOROBENZ 5.1 .5 3 Dichlorodifluoromethane 115 .5 4 Chloromethane 95 .5 Vinyl chloride 95 .5 6 ;; Bromomethane 122.5 .5 7 "" Chloroethane 112.5 .5 8 Trichlorofluoromethane 135 .5 9...., 1,1-Dichloroethene 100 .5 10 Methylene Chloride 90 .5 11 Methyl tert butyl ether 110 1.0 12 (trans-1,2-dichloroethene 100 .5 13 > 1,1-dichloroethane 100 .5 14 2-butanone (MEK) 85 2.0 15 ? 2,2-dichloropropane 75 .5 16 ` cis-1,2-dichloroethene 100 .5 17, , Chloroform 102.5 .5 1$ Bromochloromethane 95 .5 19 1,2-dichloroethane 107.5 .5 20 Surr - TOLUENE-D8 5 .5 21 ; 1,1,1-trichloroethane 105 .5 22 1,1-dichloropropene 110 .5 23 Carbon tetrachloride 115 .5 24-,. Benzene 107.5 .5 25 ; Trichloroethene 115 .5 26:` 1,2-dichloropropane 102.5 .5 27 , Dibromomethane 115 .5 28,E: Bromodichloromethane 110 .5 29; :' Methyl iso-butyl ketone 122.5 1.0 30 cis-1,3-dichloropropene 130 .5 31 Toluene 10 .5 32 trans-1,3-dichloropropene 7.5 .5 33';; 1,1,2-trichloroethane 117.5 .5 34 ; Tetrachloroethene 115 .5 35 '" 1,3-dichloropropane 115 .5 36 °' Dibromochloromethane 115 2.0 37'= Chlorobenzene 112.5 .5 1,1,1,2 tetrachloroethane 127.5 .5 39 Ethylbenzene 112.5 .5 40 : P & M-xylene 113.75 .5 41 O-xylene 112.5 .5 42 , Styrene 115 .5 W 43 T 1,1,2,2-tetrachloroethane 115 .5 44 : Bromoform 112.5 2.0 45' ' Isopropylbenzene 105 .5 46 1,2,3-trichloropropane 95 .5 47 N-propylbenzene 105 .5 48 'Bromobenzene 102.5 .5

NYC-WTC 000000298

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NYC-WTC_000000298Source: NYC Law Department, mirrored locally

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