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NYC-WTC_000209308

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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 04/02/02

File Name NYC1437 NYC1438 NYC1439 NYC1440 NYC1442 NYC1441 Sample Location Instrument Blank Tedlar Bag Blank Washing Tent Austin Tobin Plaza North Tower South Tower Ambient Air Sample Number A07671 A07672 A07673 A07674 Sample Height Breathing Level Breathing Level Ground Level Ground Level' Sample Volume 250 mL 250 mL 250 mL 250 mL 250 mL Reporting Limit (RL) 20 20 20 20 20 20 Sample Cone. Units PPbv PPb» ■ppo? TW PP^v ppbv Propylene RL RL RL RL RL RL cmorodifluoromethane RL RL RL RL RL RL Dichlorodifluoromethane RL RL RL RL RL RL Dichlorotetrafl uoroethane RL RL RL RL RL RL Chloromethane RL RL RL RL RL RL Vinyl Chloride___________ RL RL RL RL RL RL 1.3-Butadiene RL RL RL RL RL RL Bromomethane RL RL RL RL RL RL Chloroethane RL RL RL RL RL RL T richlorofluoromethane RL RL RL RL RL RL Isopropyl Alcohol RL RL RL RL RL RL Acetone RL RL RL RL RL RL T richlorotrifluoroethane RL RL RL RL RL RL 1,1-Dichloroethene RL RL RL RL RL RL 3-Chloropropene RL RL RL RL RL RL 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 Hexane RL RL RL RL RL RL 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 cis-1,2-Dichloroethene RL RL RL RL RL RL Ethyl Acetate RL RL RL RL RL RL Chloroform RL RL RL RL RL RL Tetrahydrofuran RL RL RL RL RL RL 1,1,1-Trichloroethane RL RL RL RL RL RL Cyclohexane RL RL RL RL RL RL Carbon Tetrachloride RL RL RL RL RL RL 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 RL RL RL RL RL RL trans-1,3-Dichloropropene RL RL RL RL RL RL 1,1,2-Trichloroethane RL RL RL RL RL RL 2-Hexanone RL RL RL RL RL RL Tetraohloroethene RL RL RL RL RL RL Dibromochloromelhane RL BL RL RL RL RL 1,2-Dibromoethane RL RL RL RL RL RL Chlorobenzene RL RL RL RL RL RL Ethylbenzene RL RL RL RL RL RL m&p-Xylenes RL RL RL RL RL RL O-Xylene_______________ RL RL RL RL RL RL Styrene RL RL RL RL RL RL Bromoform RL RL RL RL RL RL 1,1,2,2-Tetrachloroethane RL RL RL RL RL RL 4-Ethyltoluene RL RL RL RL RL RL 1.3,5-Trimethylbenzene RL RL RL RL RL RL 1,2,4-Trimethylbenzene RL RL RL RL RL RL 1,3-Dichlorobenzene RL RL RL RL RL RL 1,4-Dichlorobenzene RL RL RL RL RL RL Benzyl Chloride RL RL RL RL RL RL 1,2-Dichlorobenzene RL RL RL RL RL RL 1,2,4-Trichlorobenzene RL RL RL RL RL RL Hexachloro-1,3-Butadiene RL RL RL RL RL RL

CITY_21MC100_002857907

NYC-WTC_000209308

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NYC-WTC_000209308Source: NYC Law Department, mirrored locally

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Preliminary draft GC/MS results for volatile organic compounds in Tedlar bag air samples collected at the WTC site on February 11, 2002.

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