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Draft GC/MS results for air samples, September 2001

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Preliminary draft gas chromatography-mass spectrometry data for air samples collected at the World Trade Center site in late September 2001.

NYC-WTC_000178323
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NYC 9/11 Public Portal Document

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

DRAFT GC/MS Results for 1ira9/01 DRAFT Tentatively Identified Compounds

File name NYC091 NYC092 NYC093 Sample Location Instrument Blank Tedlar Bag Blank Washing Tent SamgleN[urTibet_ 07081 Sample Height Breathing Volume 250 mL 250 mL None None Phenol 37 ppbv

W G to G M O H H O File name NYC099 NYC096 NYC094 Sample Location North Tower South Tower Austin Tobin Plaza O Sample Number 07082 07083 07084 H Sample Height Ground M Ground______________________ Breathing____________________ O o Volume 10 mL 200 mL 100 mL____________ H o s C4-Alkene 9200 ppbv Acetaldehyde 130 ppbv________ Acetonitrile 150 ppbv__________ C4-Alkene 2500 ppbv Pentane 64 ppbv __________ Phenol 44 ppbv_______________ a C4-Alkene 1100 ppbv Furan 34 ppbv_______________ Benzaldehyde 58 ppbv_________ O M C5-Alkane 800 ppbv Acetonitrile 63 ppbv___________ Benzonitrile 829 ppbv__________ s Pentane 6400 ppbv Acetic acid methyl ester 38 ppbv 1-Chloroethylbenzene 51 ppbv a H M C5-Alkene 930 ppbv 2-Methyl-furan 99 ppbv________ Unknown 26 ppbv_____________ > Furan 4200 ppbv_______ 1-Butanol 24 ppbv____________ Naphthalene 150 ppbv_________ G S Acetonitrile 2900 ppbv Pyridine 21 ppbv 1,2,3-Trichlorobenzene 140 ppbv o Unknown 460 ppbv______ Cumene 42 ppbv_____________ C6-Alkane 1700 ppbv Phenol 30 ppbv______________ Unknown 550 ppbv______ 1-Chloroethylbenzene 34 ppbv w C6-Alkene 1100 ppbv Benzaldehyde 27 ppbv________ M 2-Methyl-furan 2500 ppbv Benzonitrile 26 ppbv______ _ G H C6-Alkene 720 ppbv Naphthalene 28 ppbv_________ Unknown 490 ppbv 1,2,3-Trichlorobenzene 23 ppbv to C8-Alkane 620 ppbv o Octane 1100 ppbv______ o co C3-Benzene 2200 ppbv o C3-Benzene 460 ppbv H

o O O I o o co co co Ui o Ui

NYC-WTC_000178323

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NYC-WTC_000178323Source: NYC Law Department, mirrored locally

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WTC air analysis results, Dec 22, 2001

NYC-WTC_000186692

Draft GC/MS laboratory report for WTC Tedlar bag air samples collected on December 22, 2001, analyzing volatile organic compounds.

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