WTC air analysis results, January 26, 2002

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-1S MODIFIED METHOD DRAFT GC/MS Results for 01/26/02

File Name NYC866 NYC867 NYC868 NYC869 NYC871 NYC870 Sample Location Instrument Blank Tedlar Bag Blank Washing Tent Austin Tobin Plaza North Tower South Tower Ambient Air Plume Plume Sample Number A07393 A07394 A07395 A07396 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 PPbv PPbv PPbv ppbv PPk Propylene RL RL RL RL RL RL Chlorodifluoromethane RL RL RL RL RL RL Dichlorodifluoromethane RL RL RL RL RL RL Dichlorotetrafluoroe thane 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 Tetra hydrofuran 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 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 kk 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 1,2-Dichlorobenzene RL RL RL RL RL RL 1,2,4-Trichlorobenzene RL RL RL Bk RL RL Hexachloro-1,3-Butadiene RL RL RL RL RL RL

CITY_21MC100_002949045

NYC-WTC_000186675