WTC air analysis results, March 8, 2002

NYC 9/11 Public Portal Document

I NO QC EVALUATION HAS BEEN PERFORMED, DATA VALIDITY IS UNSUBSTANTIATED AND THE DATA SHOULD BE USED WITH DISCRETION V WTC TEDLAR BAG AIR ANALYSIS, TO-15 MODIFIED METHOD DRAFT GC/MS Results for 03/08/02

File Name NYC1234 NYC1235 NYC1236 NYC1237 NYC1239 NYC1238 Sample Location Instrument Blank Tedlar Bag Blank Washing Tent Austin Tobin Plaza North Tower South Tower Ambient Air Sample Number A07570 A07571 A07572 A07573 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» ppbv ppbv PPb„ Ppb» 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 T richlorofluoromethane RL RL RL RL RL RL Isopropyl Alcohol RL RL RL RL RL RL Acetone RL RL RL RL RL RL T richlorotrifiuoroethane 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-Dichloroethehe RL RL RL RL Ethyl Acetate_________ RL RL RL RL RL RL Chloroform RL RL RL RL RL RL Tetrahydrofuran_______ RL RL RL RL 1,1.1-Tr1chloroethane 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-Dichloropropen8 RL RL RL RL RL RL Toluene RL RL RL RL RL RL trans-1.3-Dichloropropeno 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 A-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-Dichloroben2ene 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_002948898

NYC-WTC_000186661