WTC air analysis results, Dec 22, 2001

NYC 9/11 Public Portal Document

NO QC EVALUATION HAS BEEN PERFORMED. DATA VALIDITY IS UNSUBSTANTIATED AND THE DATA SHOULD BE USED WITH DISCRETION

DRAFT GC/MS Results for 12/22/01 Tentatively Identified Compounds

File Name NYC536 NYC537 NYC539 Sample Location Instrument Blank Tedlar Bag Blank Washing Tent Sample Number A07252 Sample Height Breathing Level Volume 250 mL 250 mL None None None

File Name NYC540 NYC541 NYC543 Sample Location Austin Tobin Plaza North Tower South Tower Sample Number A07253 ’7^7254 A07255 Sample Height Breathing Level Ground Level Ground Level Volume 250 mL 100 mL 100 mL None Pentane 180 ppbv Pentane 320 ppbv Furan 150 ppbv_______________ Furan 1400 ppbv___________ Alkane 130 ppbv_________________ Acetonitrile 1100 ppbv______ Organic Acid 200 ppbv _______ Organic Acid 1400 ppbv 2-Methylpentane 56 ppbv Alkane 120 ppbv___________ Cyclohexane 62 ppbv_____________ Alkane 130 ppbv___________ Alkane 51 ppbv_______________ 2-methylfuran 1100 ppbv 2-Metyl-2-pentene 63 ppbv________ Isobutyl Alcohol 380 ppbv 2-Methylfuran 360 ppbv___________ Tetrahydro furan 370 ppbv Furan 130 ppbv__________________ Alkane 360 ppbv___________ Alkene 62 ppbv__________________ n-Butanol 1300 ppbv_______ n-Butanol 54 ppbv 2-Pentanone 190 ppbv_____ 2,5-Dimethylfuran 87 ppbv________ 2,5-Dimethylfuran 200 ppbv 4-Methyl-2-elhyl1-pentene 61 ppbv Methylcyclohexane 200 ppbv Unknown 74 ppbv Unknown 270 ppbv_________ Alkylbenzene 57 ppbv____________ 3-Heptanone 150 ppbv_____ Alkylbenzene 110 ppbv________ __ Alkane 320 ppbv___________ Alkylbezene 130 ppbv____________ Alkylbenzene 1300 ppbv Methylstyrene 61 ppbv___________ Unknown 130 ppbv_________ o; Unknown 73 ppbv Alkylbenzene 320 ppbv H Methylstyrene 290 ppbv Benzaldehyde 1100 ppbv 2-ethyl-1-Hexanol 250 ppbv Benzonitrile 310 ppbv______ Undecane 160 ppbv________ o Butylbenzene 150 ppbv I 1-phenyl-ethanone 140 ppbv o o to 03 ■J-l 03

cn

NYC-WTC_000186693