WTC air analysis results, Jan 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 '•’J » WTC TEDLAR BAG AIR ANALYSIS, TO-15 MODIFIED METHOD DRAFT GC/MS Results for 01/03/02 '

File Name NYC658 NYC659 NYC660 NYC661 NYC665 NYC662 Sample Location Instrument Blank TedlarBagBlank Washing Tent Austin Tobin Plaza North Tower South Tower .’Ambient Air Plume Plume Sample Number A07301- A07302 A07303 A07304 Sample Height_________ Breathing Level Breathing Level Ground Level Ground Level Sample Volume_________ 250 mL 250 rpL 250 mL 250 mL 250mL Reporting Limit (RL) 20 20 20 . 20 20 20 Sample Cone. Units PPbv . PPbv PPb, ' PPbv PPbv PPb, Propylene RL RL RL RL 160 39 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 53 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 48 Acetone RL RL 72 30 110 1300 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 75 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 250 67 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 39 cis-1,3-Dichloropropene RL RL RL RL RL RL Toluene RL RL RL RL 46 69 trans-1,3-Dichloropropene RL RL RL RL RL RL 1,1,2-Tri chloroethane 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 28 m&p-Xylenes RL RL RL RL RL 51 0-Xylene RL RL RL RL RL 24 Styrene RL RL RL RL 50 66 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-T richlorobenzene RL RL RL RL RL Hexachloro-1.3-Butadiene RL RL RL RL RL RL

CITY_21MC100_002949130

NYC-WTC_000186685