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Draft GC/MS results for air samples, October 2001

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Preliminary draft gas chromatography-mass spectrometry data for volatile organic compounds from World Trade Center site samples dated October 27, 2001.

NYC-WTC_000178310–000178312
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NYC 9/11 Public Portal Document File name Sample Location Sample Number Sample Height Volume NYC453 Instrument Blank N/A None DRAFT GC/MS Results for 10/27/01 DRAFT Tentatively Identified Compounds NYC454 Tediar Bag Blank 100 mL None INYC455 Pier 25 North, Ambient 10086 breathing 100 ml none CONFIDENTIAL, File name NYC456 Sample Location North Tower Sample Number 10085 Sample Height Ground Volume 20 mL C4 Alkene 3,800 ppbv C4 Alkene 1,300 ppbv C4 Alkene 590 ppbv Pentane 1,600 ppbv Furan 4,600 ppbv Acetonitrile or Isocyanomethane 440ppbv Acetic acid, methyl ester 730 ppbv Cyclopentene 500 ppbv C6 Alkene 510 ppbv 2-Methyl furan 13,000 ppbv 3-Methyl furan 500 ppbv Methylcyclopentene 670 ppbv 2,5-Dimethyl furan 2,400 ppbv unknown hydrocarbon 470 ppbv alkylated benzene 910 ppbv NYC457 South Tower 10087 Ground 20 mL C4 Alkene 1,600 ppbv Acetaldehyde 550 ppbv Pentane 1,100 ppbv Furan 910 ppbv Acetonitrile or Isocyanomethane 590 ppbv Acetic acid, methyl ester 1,700 ppbv C6 Alkene 440 ppbv 2-Methyl furan 2,800 ppbv Methylcyclopentene 380 ppbv 1-Chlorobutane 410 ppbv 2.5-Dimethyl furan 410 ppbv Alkylated benzene 1,500 ppbv .alpha.-Methylstyrene 650 ppbv NYC458 Austin Tobin Plaza 10088 Breathing Height 100 mL Acetonitrile or Isocyanomethane 56 ppbv 1-Butanol 53 ppbv CITY_21MC100_003383777 NO QC EVALUATION HAS BEEN PERFORMED, DATA VALIDITY IS UNSUBSTANTIATED AND THE DATA SHOULD BE USED WITH DISCRETION NYC-WTC_000178311

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NYC-WTC_000178311Source: NYC Law Department, mirrored locally

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Draft GC/MS results for air samples, October 2001

NYC-WTC_000178313

Preliminary draft gas chromatography-mass spectrometry data for ambient and ground level air samples from the World Trade Center site dated October 6, 2001.

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