2 shared non-person entities · 1 shared topics · similarity 0.948
machine-extracted · confidence unavailable · Check page ↗Document / 3 pages
Draft GC/MS results and chain of custody, November 2001
Machine-extracted title · confidence 90%Preliminary draft gas chromatography-mass spectrometry data for air samples collected at the World Trade Center site in November 2001.
NYC-WTC_000178307–000178309Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
NO QC AaTION has BEEN PERFORMED, DATA VALIDITY IS UNSUBSTANTIATED AND THE DATA SHOULD BE USED WITH DISCRETION DRAFT GC/MS Results for 11/04/01 DRAFT Tentatively Identified Compounds
File name NYC530 NYC531 NYC532 Sample Location Instrument Blank Tedlar Bag Blank Ambient, North Park Pier Sample Number . I Sample Height Breathing i' Volume N/A 100 ml 100 mL W None None None G to M O H
O File name NYC534 NYC535 NYC536 NYC537 G Sample Location North Tower South Tower Austin Tobin Plaza South Tower Welding 2 O Sample Number H 1 H Sample Height Ground Ground Breathing Breathing O o I H o Volume 25 mL 25 mL 100 mL 100 mL 2 2 None Isobutane llOppbv None None M O 2-Methyl-1-propene 600ppbv O M 2 a S H Unknown hydrocarbon 290 ppbv H 2 Pentane 490 ppbv________ 2-Methyl-1-butene 64 ppbv s o Furan 200 ppbv______________ Acetonitrile 270 ppbv__________ ro Methyl acetate 81 ppbv________ w 2-Methylpentane 140 ppbv_____ M Unknown 99 ppbv____________ H 2-Methyl-1-pentene 85 ppbv to 4-Methyl-2-pentene 110 ppbv o o 2-Methylfuran 270 ppbv_______ co Q Unknown hydrocarbon 65 ppbv H Unknown 62 ppbv____________ 4-Methylheptane 62 ppbv______ (l-Methylethy)benzene 130 ppbv SQ o
I o Io o co ' -J. co co co cn
NYC-WTC_000178307
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NYC-WTC_000178307Source: NYC Law Department, mirrored locally
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