Draft WTC Air Analysis Results, Jan 29, 2002

NYC 9/11 Public Portal Document 5--;- IK 5 NO QC EVALUATION HAS BEEN PERFORMED, w DATA VAUDITY IS UNSUBSTANTIATED ■i AND THE DATA SHOULD BE USED WITH DISCRETION ( WTC TEDLAR BAG AIR ANALYSIS, TO-15 MODIFIED METHOD DRAFT GC/MS Results for 01/29/02 ■ 'lY.:.- JUHI Name NYC893 NYC894 NYC895 NYC896 NYC898 : NYC897- Location Instrument Blank Tedlar Bag Blank Washing Tent Austin Tobin Plaza North Tower South Tower-'l Ambient Air Plume • .‘Plume . Sample Number______ A07405 A07406 A07407 !, A07408 .. . ^ Sample Height________ Breathing Level Breathing Level Ground Level Ground Lever; Sample Volume________ 250 mL 250 mL 250 mL 250 mL 250mL.: A" Reporting Limit (RL) _£2_ 20 20 20 20 Sample Cone. Units PPb, PPb, PPbv Ppbv PPbv . .ppb„ Propylene RL RL RL RL RL --..■■RL 1 Chlorodifluoromethane RL RL RL RL RL - y: < RL--;'.’-. Dichlorodifluoromethane RL RL RL RL RL -RL Dichlorotetrafluoroethane RL RL RL ■ RL RL Chloromethane RL RL RL RL RL 2••.•RL^-'VY,- Vinyl Chloride_______ RL RL RL RL RL ■■;/; RL-V^L’-.^yr 1 1.3-Butadiene RL RL RL RL RL Bromomethane RL RL RL RL RL .■...’■RL-'cYyY, Chloroethane RL RL RL RL RL 1.'- M RL Trichlorofluoromethane RL RL RL RL RL • ; RL Isopropyl Alcohol RL RL RL RL RL . RL-’l^--- . Acetone_____________ RL RL RL RL RL -..-RL -Y Trichlorotrifluoroethane RL RL RL RL RL ■T'-’V RL -"^.‘*2.2 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 -■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^utanone___________ RL RL RL RL RL RL - • X JBEzCichloroethene RL RL RL RL RL ■ RL - wBFA^tate RL RL RL RL RL ’ - -.-RL f- Chlorofonn RL RL RL RL RL --RL .„--Y Tetrahydrofuran________ RL RL RL RL RL . -RL 1,1,1 -Trichloroethane RL RL RL RL RL RL ■’ -Y2 ' 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 ——BL——- 1,4-Dioxane RL RL RL RL RL ■ RL Methyl Isobutyl Ketone RL RL RL —BL. RL RL - cis-1.3-Dichlor6propene RL RL RL RL RL RL ■ Toluene RL RL RL —BL_ RL RL trans-1,3-Oichloropropene RL RL RL RL RL _____ RL - 1,1,2-Trichloroethane RL RL RL RL RL RL 2-Hexanone RL RL RL RL RL RL Tetra chloroethene RL RL RL Dibromochloromethane RL RL RL _RL RL _BL__ RL RL RL______ 1,2-Dibromoethane Chlorobenzene RL _BL RL RL RL RL RL RL RL RL RL RL______ Ethylbenzene RL RL RL RL RL RL m&p-Xylenes RL RL RL RL RL RL______ 0-Xylsne_____________ RL RL -5L RL RL RL Styrene RL RL RL RL RL RL Bromofonn RL _5L RL RL RL 1,1.2.2-Tetrachloroethane RL RL RL RL RL RL______ 4-Ethyltoluene_________ RL RL RL RL RL RL iBfcTrimethylbenzene RL RL RL RL RL RL______ MMBfrirnethylbenzene RL RL RL RL RL RL______ LTDichlorobenzene RL _BL 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-Trichlorobenzene RL RL RL RL __RL ___RL _ Hexachloro-1,3-Butadiens RL RL RL I RL RL RL

CITY_21MC100_002961892

NYC-WTC_OO0186601