Draft GC/MS air analysis results, WTC site, Dec 8 2001

NYC 9/11 Public Portal Document

■ NO QC EVALUATION HAS BEEN PERFORMED, 1^'4 DATA VALIDITY IS UNSUBSTANTIATED ANO THE DATA SHOULD BE USED WITH DISCRETION WTC TEDLAR BAG AIR ANALYSIS, TO-1S MODIFIED METHOD DRAFT GC/MS Results for 12/08/01

^||Eile Name NYC389 NYC390 NYC391 NYC392 NYC396 - . NYC394'W: Location Instrument Blank Tedlar Bag Blank Washing Tent Austin Tobin Plaza North Tower 2. South Towar/<g „ Ambient Air Plume ■,.. - Plume ■ Sample Number_______ A07195 A07196 A07197 A07198 t Sample Height________ Breathing Level Breathing Level Ground Level "Ground Level 2 ' Sample Volume_______ 250 mL 250 mL 250 mL 100 mL •250 mL" -.2 Reporting Limit (RL) 20 20 20 20 50 20-:M;;f Sample Cone. Units PPb, ppb» PPb, PPb, PPb, , : ■> Propylene___________ RL RL RL _5L_ 530 ■RL - -■ .(

. Freon 22 ________ RL RL RL RL Dichlorodifluoromethane RL RL RL RL RL ■■

Dichlorotetrafluoroethane RL RL RL RL RL -'tA- '/RL-^WF--- ■ Chloromethana_______ RL RL RL RL 300 ■■'vRLS^Wr.. ' Vinyl Chloride_________ RL RL RL RL RL I-;, RL■ •• . 1,3-Butadiene RL RL RL RL RL ' 2 RL Bromomethane________ RL RL __5t_ RL RL \''RL '■ Chloroethane_________ RL RL RL RL RL -••2 ■ <<"-.,.RL Trichlorofluoromethane RL RL RL RL RL 23 22;- ■ . isopropyl Alcohol RL RL RL. . . RL. RL . t y. Acetone _______ . RL RL RL 21 730 / • • ’ Trichlorotrifluoroethane RL RL « RL RL RL RL ' ‘ 1,1-Dichloroethene RL RL RL RL RL ; • RL V 3-Chloropropene_______ RL RL RL RL RL . . -4 RL : Methylene Chloride RL RL RL RL RL - RL ■ MTBE RL RL RL RL RL 24 ttans-1.2-Dlchloroethene RL RL RL RL RL RL .• Hexane RL RL RL RL RL ' RL l.l-Dichloroethane RL RL RL RL RL - RL -ft ■ Vinyl Acetate RL RL RL RL RL RL 2-Butanone RL RL RL RL 190 ■ - RL -y ^E^2^^Sio^Sene2Z RL RL RL RL RL r. ■'-•’■■RL

^M^i~Acatate RL RL RL RL RL RL Chloroform RL RL RL RL . RL RL Tetrahydrofuran RL RL RL RL 120 ■" RL ■■'■.?■>;

1,1,1 -Trichloroethane RL RL RL RL RL RL Cyclohexane RL RL RL RL RL RL ’‘2 : Carbon Tetrachloride RL RL RL RL RL ■' ■ RL i-C-.-t- 1,2-Dichloroethane RL RL RL RL RL ' RL -i , Benzene RL RL RL RL 980 RL Heptane RL RL RL RL RL RL Trichloroethene RL RL RL RL RL RL . 1,2-Oichloropropane RL RL RL RL —BL— RL ; 1,4-Oioxane RL RL • RL RL RL •• ■•-RL Methyl Isobutyl Ketone RL RL RL RL RL RL -<./ y cis-1,3-Oichloropropene RL RL RL RL______ RL 2-- - .. Toluene RL RL RL -RL 440 . RL 2: trans-1,3-Dichloropropene RL _5k_ RL RL RL RL 1,1,2-Trichloroethane RL RL RL RL RL RL 2-Haxanone RL RL RL RL RL ■ RL ■. Tetrachloroethene RL RL RL RL RL RL Dibromochloromethane _5L_ 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 480 RL m&p-Xylenes__________ RL RL __BL_ RL RL______ RL______ 0-Xylene RL RL RL RL , RL RL ■ Styrene______________ RL RL RL RL 80 RL Bromoform___________ RL RL RL RL RL RL 1 ■ 1.2,2-Tetrachloroethane _2L_ RL RL RL RL______ RL______ 4-EthyltoluBne RL RL • l^l^rimethylbenzenB RL RL RL RL —St RL — RL RL______ RL RL I^BIfrimethylbenzene RL RL RL RL RL ■ RL ^^Ketiiorobenzene RL RL RL RL RL RL______ 1.4-Dichloroberrzen6____ RL RL RL RL RL RL Benzyl Chloride RL RL RL RL RL RL 1.2-Oichlorobenzene RL RL 1.2,4-T richlorobenzene RL RL -—St RL —— RL — RL______ RL RL —.SL— Hexachlorol ,3-eutadiene RL RL RL RL RL RL

CITY_21MC100_002962048

NYC-WTC_000186615