VOC blank analysis results, sample AE02714, Feb 11 2002

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Laboratory results for a volatile organic compounds blank (SB1524) in sample AE02714 analyzed on February 11, 2002.

NYC-WTC_000019731–000019797

Folder label: “524 2/11/02”

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NYC 9/11 Public Portal Document

User: Vannelli, Sandy Westchester Dept of Labs & Research Date: 02/25/2002 Time: 16:57:35

Sample: AE02715 Analysis: $D_524 volatile Organic Compounds-Dupilcate units: ug started: 02/15/02 16:55 Ended: 02/25/02 16:55 Analyst BH Result source: manual entry Page: 1

component Name viol Result MOL 115 Surr - 1,2-DICHLOROETHANE-D 4.58 .5 2- Suit ■ 4-BROMOFLUOROBENZE ____ 4.66 .5 .30 Dichlorodifluoromethane ____ < MDL .5 4 ‘ Chloromethane_________ ____ < MDL .5 -5 vinyl chloride___________ ____ < MDL .5

.2 Bromomethane_________ chloroethane 8 Trichlorofluoromethane < MDL < MDL _ ___ < MDL .5 .5 .5 . 1,1-Dlchloroethene 9, ____ < MDL .5 10 Methylene chloride ____ < MDL .5 11 Methyl tert-butyl ether (MTB ____ < MDL 1.0 12 trans-1,2-dichloroethene ____ < MDL .5 13 1,1-dlchloroethane_______ ____ < MDL .5 14 2-butanone (MEK________ ____ < MDL 2.0 15 2,2-dlchloropropane_____ ____ < MDL .5 CM cls-1,2-dichloroethene ____ < MDL .5

g MT* *THM-Chloroform Bromochloromethane 1,2-dichloroethane_______ ____ < MDL ____ < MDL __ __ < MDL .5 .5 .5 20. Surr - TOLUENE-D8________ ____ 5.17 .5 21 1,1,1- trichloroethane ____ < MDL .5 1,1-dlchloropropene_____ ____ < MDL .5 2 Carbon tetrachloride Benzene______________ ____ < MDL _ __ < MDL .5 .5 Trichloroethene_________ ____ < MDL .5 1,2-dlchloropropane_____ ____ < MDL .5 27 Dibromomethane_______ ____ < MDL .5 "THM-Bromodichloromethar ____ < MDL .5 -29 Methyl Iso-butyl ketone (MIB 30 cls-1,3-dichloropropene ____ < MDL ____ < MDL 1.0 .5 * Toluene_______________ ____ < MDL .5 ,32, trans-1,3-dichloropropene ____ < MDL .5 33 1,1,2-trlchloroethane_____ ____ < MDL .5 734 Tetrachloroethene ____ < MDL .5 735’ 1,3-dichloropropane ____ < MDL .5 36 *THM-Dibromochloromethal ____ < MDL 2.0 37 Chlorobenzene_______ ____ < MDL .5 38 1,1,1,2-tetrachloroethane ____ < MDL .5 39 Ethylbenzene ____ < MDL .5 40 p & M-xylene__________ ____ < MDL .5 oxylene_____________ ____ < MDL .5 42 styrene_____________ ____ < MDL .5 43 1,1,2,2-tetrachloroethane < MDL .5 144 *THM-Bromoform______ ____ < MDL 2.0 45 Isopropylbenzene_____ ____ < MDL .5 46- 1,2,3-trlchloropropane .47 N-propylbenzene _ __ < MDL < MDL .5__ .5

NYC-WTC_000019774

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NYC-WTC_000019774Source: NYC Law Department, mirrored locally

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