WTC air analysis results, January 14, 2002

NYC 9/11 Public Portal Document

NO QC EVALUATION HAS BEEN PERFORMED, A A 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 01/14/02

File Name NYC765 NYC766 NYC767 NYC768 NYC770 NYC769 Sample Location Instrument Blank Tedlar Bag Blank Washing Tent Austin Tobin Plaza North Tower South Tower Ambient Air Plume Plume Sample Number A07345 A07346 A07347 A07348 Sample Height Breathing Level Breathing Level Ground Level Ground Level Sample Volume 250 mL 250 mL 250 mL 250 mL 250mL Reporting Limit (RL) 20 20 20 20 20 20 Sample Cone. Units PPbv PPbv PPbv PPbv PPbv PPbv Propylene RL RL RL RL RL RL Chlorodifluoromethane RL RL RL RL RL RL Dichlorodifluoromethane RL RL RL RL RL RL Dichlorotetrafluoroethane 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 Trichlorofluoromethane RL RL RL RL RL RL Isopropyl Alcohol RL RL RL RL RL RL Acetone RL RL RL RL RL RL Trichlorotrifluoroethane 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 Tetrachloroethene RL RL RL RL RL RL Dibromochloromethane RL RL 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 0-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 BL 1,2,4-Trichlorobenzene RL RL RL RL RL RL Hexachloro-1,3-Butadiene RL RL RL RL RL RL

CITY_21MC100_002949089

NYC-WTC_000186682