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Draft GC/MS VOC results, WTC site, Dec 21 2001

Machine-extracted title · confidence 95%

Draft laboratory report showing GC/MS results for volatile organic compounds collected at the World Trade Center site on December 21, 2001.

NYC-WTC_000186608
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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 12/21/01 Tentatively Identified Compounds

File Name NYC448 NYC449 NYC450 Sample Location Instrument Blank Tedlar Bag Blank Washing Tent J Sample Number A07247 Sample Height Breathing Level Volume 250mL 250mL______ None None None

File Name NYC451 NYC453 NYC452 Sample Location Austin Tobin Plaza North Tower South Tower Sample Number A07249 A07250 A07251 Sample Height Breathing Level Ground Level Ground Level Volume 250 mL 250 mL 20mL_________ None - Pentane 42 pph^ Unknown 24 ppby Furan 62 ppbv Decane 23 ppby Acetonitrile 34 ppbv Unknown 22 ppb,'v Methyl Acetate 50 ppbv Unknown 37 ppb,'v Q 2-Methylfuran 140 ppb^ "T I K 2,5-Dimethylfuran 26 ppb,'v to I—i S Isopropylbenzene 49 ppb,'v o o .alpha.-Methylsfyrene 26 ppbv o I o o [O

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NYC-WTC_000186608

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NYC-WTC_000186608Source: NYC Law Department, mirrored locally

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