Draft GC/MS air analysis results, WTC site, Nov 25 2001

NYC 9/11 Public Portal Document

NO QC EVALUATION HAS BEEN PERFORMED. ' DATA VALIDITY IS UNSUBSTANTIATED ‘ r - - - AND THE DATA SHOULD BE USED WITH DISCRETION ' ’s ;Y ’ WTC TEDLAR BAG AIR ANALYSIS. TO-16 MODIFIED METHOD . ?V ; DRAFT GC/MS Results for 11/25/01 . .-xf

File Name NYC259 NYC260 NYC261 NYC262 NYC264 NYC265 71 Sample Location Instrument Blank TedlarBagBlank Washing Tent Austin Tobin Plaza North Tower South Tower".: Ambient Air Plume Plume . 7 "" Sample Number_______ A07143 A07145 AO7144 - A07146 , , ; 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 PP^ PPbv PPb,/ PPbv pp^ \ Propylene RL RL RL 50 RL i~ ; Freon 22______________ RL RL RL RL RL -.--RL 'g-.Y..-' Dichlorodifluoromethane RL RL RL RL RL .-RL -.■■’•'i-f’

Dichlorotetrafluoroethane RL RL RL RL RL ' .'.2 RL Chloromethane RL RL RL ■ RL 33 ..;-RL » 2 Vinyl Chloride RL RL RL RL RL - RL 1,3-Butadiene__________ RL RL RL RL RL . RL Bromomethane RL RL RL RL ■ RL Chloroethane RL RL RL RL RL RL . ’ T richloroRuoromethane RL RL RL RL RL RL - -S Isopropyl Alcohol RL RL RL 25 RL RL . Acetone RL RL RL RL 110 24 T richlorotrifluoroethane RL RL RL RL RL - RL 1.1-Dichloroethene RL RL RL RL RL ■ ..-RL 3-Chloropropone RL RL RL RL RL RL Methylene Chloride_____ RL RL RL RL RL RL MTBE RL RL RL RL RL - RL frans-1,2-Dichloroethene RL RL RL RL RL 1 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 26 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 ■ i ^Mfr^ahydrofiiran 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-Oichloroethane RL RL RL RL RL RL Benzene RL RL RL RL 260 49 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 68 RL trans-l ,3-Dichloropropene RL RL RL RL RL RL 1,1,2-Trichloroethane RL RL RL RL RL RL 2-Hexanone RL RL RL .HRL 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 .5L- RL RL RL RL RL Ethylbenzene RL RL RL RL 53 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_______ ^H^enzyl Chloride ~ RL RL RL RL RL RL ^^M^Wichlorobenzene RL ^^p^4-Trichlorobenzene RL Sk— —RL RL RL RL RL RL RL RL RL_______ '• ■ |Hexachloro-1,3-Butadiene RL . RL RL RL RL I RL

CITY_21MC100_002962100

NYC-WTC_000186619