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Draft WTC Air Analysis Results, Jan 28, 2002

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Preliminary draft GC/MS results for volatile organic compounds in Tedlar bag air samples collected at the WTC site on January 28, 2002.

NYC-WTC_000186602
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NYC 9/11 Public Portal Document

NO QC EVALUATION HAS BEEN PERFORMED, , ; DATA VALIDITY IS UNSUBSTANTIATED AND THE DATA SHOULD BE USED WITH DISCRETION WTC TEDLAR BAG AIR ANALYSIS. TO-15 MODIFIED METHOD DRAFT GC/MS Results for 01/28/02

Name NYC884 NYC885 NYC886 NYC887 NYC889 NYC888 .. ’ . . hple Location Instrument Blank Tedlar Bag Blank Washing Tent Austin Tobin Plaza North Tower South Towery , Ambient Air Plume Plume .,'2 Sample Number________ A07401 A07402 A07404 A07403 ‘ = Sample Height_________ Breathing Level Breathing Level Ground Level Ground Level ■" Sample Volume 250 mL 250 mL 250 mL 250 mL 250 mL .; •; 2- Reporting Limit (RL) 20 20 20 20 20 / ;20"?i;2?‘- Sample Cone. Units ppbv ppbv Ppb, ppbv PPb, Propylene' RL RL RL RL RL - Chlorodifluoromethane _5k RL RL RL RL RL RL RL '■■■-■RL 2 ' ■RL,ro: ■■’■ Dichlorodifluoromethane RL RL Dichlorotetratiuoroethane RL RL RL RL RL Chloromethane RL RL RL RL RL -■'■RL/-'-' 'tC Vinyl Chloride__________ 1,3-Butadiene RL RL RL RL RL RL RL RL RL RL ' i-RLAZV r.. -i Bromomethane RL RL RL RL RL ■■■RL"'--- •3;.. Chloroethane T richlorofluoromethane _5L RL RL RL RL RL RL RL RL RL - ■RL'l'S^'-.l ■

Isopropyl Alcohol_______ RL RL RL RL RL ■■■‘RL-:.-2'''‘<-. Acetone RL RL RL RL RL ■.RL‘'-i.A' 1.; ' Trichlorotrifluoroethane RL RL RL RL RL . tRL 1,1-Dichloroethene RL RL RL RL RL RL - . ; ■ f 3-Chloropropene________ RL RL •RL RL RL ■ RL K i Methylene Chloride______ RL RL RL RL RL RL < • MTBE RL RL RL RL RL RL ' trans-1,2-Dichloroethene RL RL RL RL RL • ,RL ' .A Hexane RL RL RL RL RL RL T.-'';- 1,1-Dichloroethane RL RL RL RL RL RL Vinyl Acetate RL RL RL RL RL RL ' 2-Butanone RL RL RL RL RL RL ’-J J||fcL2-DichlQroethene RL RL RL RL RL RL • ? l^^yAcetate RL RL RL RL RL RL •=;/' Chloroform RL RL RL RL RL RL • ’ Tetrahydrofuran_________ RL RL RL RL RL RL r. ; 1,1,1-Trichloroethane RL RL RL RL RL RL 12 Cyclohexane___________ RL RL RL RL RL RL ” Carbon Tetrachloride RL RL RL RL RL RL i 1.2-Dichloroethane RL RL RL RL RL RL ■ Benzene RL RL RL RL RL RL ‘ ■ / Heptane RL RL RL RL RL RL Trichloroethene RL RL RL RL RL RL 1,2-Dichloropropane RL RL RL RL RL RL ■ : 1,4-Dioxane RL RL RL RL RL . RL - Methyl Isobutyl Ketone RL RL RL RL RL RL . cis-1,3-Dichloropropene RL RL RL -RL- RL RL » Toluene JL RL RL RL RL RL trans-1,3-Dichloropropene RL RL RL RL RL 1,1,2-Trichloroethane RL RL RL RL RL RL 2-Hexanone RL RL RL_ RL RL RL Tetrachloroethene RL RL RL RL RL Dibromochloromethane 1,2-Dibromoethane JL RL RL_ _BL_ RL RL RL RL RL RL RL RL Chlorobenzene RL RL RL RL RL RL Ethylbenzene m&p-Xylenes RL RL RL —5k_ RL RL RL RL RL _5k_ RL RL 0-Xylene Styrene -5L RL _RL_ -BL. _2L —Ri:—— RL RL RL_ -St- RL RL Bromoform RL RL RL_ RL RL RL 1,1,2,2-Tetrachloroethane RL RL _RL_ RL _BL —RL— 4-Ethyltoluene RL RL RL RL RL rimethylbenzene ^^Brimethylbenzene RL RL JSL RL RL_ RL RL RL RL__ RL —St—— RL RL RL_ RL RL RL 1,4-Dichlorobenzene RL RL__ -RL- RL RL Benzyl Chloride RL RL RL 1,2-Dichlorobenzene RL RL RL _S^__ _5L_ RL RL 1,2,4-Trichlorobenzene Hexachloro-1,3-Butadiene RL RL RL RL RL RL RL RL RL RL RL RL i CITY_21MC100_002961896

NYC-WTC_000186602

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NYC-WTC_000186602Source: NYC Law Department, mirrored locally

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