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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: 10:20:33 Sample: AD23904 Analysis: $Q_524 Volatile Organic Compounds-Reference Rec Units: ug Started: 9/28/01 10:11 Ended: 10/2/01 10:11 Analyst: WB Result source: calculation Page: 1

Component Name . Viol Result Qualifier = dbl. 1 Surr - 1,2-DICHLOROETHANE- 5 .5 2 Surr - 4-BROMOFLUOROBENZ 5 .5 3,:- Dichlorodifluoromethane 77.5 .5 4 .; Chloromethane 90 .5 5 ' Vinyl chloride 92.5 .5 6 ': Bromomethane 92.5 .5 7 Chloroethane 102.5 .5 8 , Trichlorofluoromethane 102.5 .5 9 1,1-Dichloroethene 105 .5 10 Methylene Chloride 95 .5 11 Methyl tart butyl ether 97.5 1.0 12 trans-1,2-dichloroethene 102.5 .5 13 ;; 1,1-dichloroethane 100 .5 14 2-butanone (MEK) 92.5 2.0 15 2,2-dichloropropane 92.5 .5 16 cis-1,2-dichloroethene 105 .5 7- Chloroform 100 .5 18 Bromochloromethane 92.5 .5 1,2-dichloroethane 107.5 .5 20 Surr - TOLUENE-D8 4.8 .5 i, 21 1,1,1-trichloroethane 105 .5 22 G 1,1-dichloropropene 107.5 .5 23 `, Carbon tetrachloride 115 .5 24 =; Benzene 102.5 .5 26 ' Trichloroethene 107.5 .5 26 1,2-dichloropropane 95 .5 27 Dibromomethane 97.5 .5 28 . Bromodichloromethane 110 .5 29 ` Methyl iso-butyl ketone 95 1.0 30 '; cis-1,3 dichloropropene 120 .5 j 31 Toluene 102.5 .5 32 , trans-1,3-dichloropropene 125 .5 33 1,1,2-trichloroethane 105 .5 +734 _.`Tetrachloroethene 105 .5 35 1,3-dichloropropane 102.5 .5 36-. Dibromochloromethane 122.5 2.0 7 . Chlorobenzene 105 .5 38 . 1,1,1,2-tetrachloroethane 120 .5 39:<: Ethylbenzene 105 .5 0 p & M-xylene 108.75 .5 1 O-xylene 107.5 .5 42 Styrene 115 .5 43' ; 1,1,2,2-tetrachloroethane 1 .5 .5 44'' Bromoform 135 2.0 45 Isopropylbenzene 0 .5 46.: 1,2,3-trichloropropane 87.5 .5 N-propylbenzene 110 .5 48 Bromobenzene 102.5 .5

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NYC-WTC_000000294Source: NYC Law Department, mirrored locally

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