Draft GC/MS air analysis results, WTC site, Dec 18 2001

NYC 9/11 Public Portal Document

NO QC EVALUATION HAS BEEN PERFORMED, :i . ' - DATA VAUDITY IS UNSUBSTANTIATED AND THE DATA SHOULD BE USED WITH DISCRETION WTC TEDLAR BAG AIR ANALYSIS, TO-15 MODIFIED METHOD DRAFT GC/MS Results for 12/18/01

File Name NYC495 NYC496 NYC497 NYC498 NYC499 - NYC501 Sample Location Instrument Blank Tedlar Bag Blank Location R Austin Tobin Plaza North Tower South Tower ., Ambient Air Plume . Plume ,■ Sample Number________ A07235 A07238 A07236 A07237 r‘;-;l Sample Height_________ Breathing Level Breathing Level Ground Level Ground Level ;• Sample Volume_________ 250 mL 250 mL 250 mL 10 mL 250 mL 7: - Reporting Limit (RL) 20 20 20 20 500 20 . < • : Sample Cone. Units ppb. ppb. ppb, ppb, ppb. ppb, :/ •’ .

Propylene RL RL RL RL 4900 RL Chlorodifluoromethane RL RL RL RL RL : 150 Y Dichlorodifluoromethane RL RL RL RL RL Dichlorotetrafluoroethane RL RL RL RL RL . - RL Chloromethane RL RL RL ' RL 6300 .■•RL s.”-.? 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 / Trichlorofluoromethane RL RL RL RL RL -■ 42 -.Y. Isopropyl Alcohol RL RL RL RL RL 25 Acetone RL RL RL RL 13000 53 Trichlorotrifluoroethane RL RL RL RL RL > RL ■>-r- 1,1-Dichloroethene RL RL 7 RL RL RL ; RL 3-Chloropropene________ RL RL RL RL RL ;i RL Methylene Chloride RL RL RL RL RL 7 31 MTBE RL RL RL RL RL RL trans-1,2-Dichloroethene RL RL RL RL RL RL Hexane RL RL RL RL RL 27 1,1-Dichloroethane RL RL RL RL RL RL * . Vinyl Acetate___________ RL RL RL RL RL RL 2-Butanone RL RL RL RL 3100 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 Tetrahydrofuran RL RL RL RL 1200 RL ■ 1,1,1-Trichloroethane RL RL RL RL RL 59 Cyclohexane___________ BL 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 4400 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-Dloxane RL RL RL RL RL 51 Methyl Isobutyl Ketone RL RL • RL RL RL ' RL cis-1,3-Dichloropropene RL RL __ RL_ RL RL RL Toluene RL RL RL 2700 37 trans-1,3-Dichloropropene RL RL RL RL RL RL 1,1,2-Trichloroethane _5L_ RL RL __ RL RL RL RL RL 2-Hexanone 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 2600 RL m&p-Xylenes RL RL RL RL RL 76 0-Xylene RL RL RL RL RL 47 Styrene RL RL RL RL- 1000 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 1,3,5-Trimethylbenzene RL RL RL RL RL RL >,2,4-Trimethylbenzene RL RL RL RL RL —RL— 1,3-Dichlorobenzene RL RL RL RL RL RL 1,4-Dichlorobenzene Benzyl Chloride_________ RL RL RL RL RL RL —BL. RL RL RL RL RL 1,2-Dichiorobenzene RL RL RL RL RL RL 1,2,4-Trichlorobenzene . RL RL RL RL RL RL Hexachloro-1,3-Butadiene RL RL RL RL RL RL

CITY_21MC100_002962015

NYC-WTC_000186610