NYC-WTC_000030885
Laboratory report documenting GCMS analysis of sample AD26010 conducted on December 12, 2001.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Laboratory report documenting GCMS analysis of sample AD25949 conducted on December 12, 2001, including surrogate compound data.
NYC-WTC_000030816–000030825Folder label: “GCMS SCAN X 10/31/01 AN 11/21/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\NOV2101\25949.D Vial: 6 Acq On : 21 Nov 2001 4:16 pm Operator: 209 GALOS Sample : gc/ms unknown Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\NP103001.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
7.69 1.39 ug/1 286885 1,4-Dichlorobenzene-d4 11.71
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2 -Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 72 2 Acetone 58 C3H60 000067-64-1 12 3 3-Hydroxy-2-pentanone 102 C5H1002 003142-66-3 9 4 CH2CHCH2C(O)OCH3 100 C5H8O2 003724-55-8 9 Abundance Scan 288 (7.686 min): 25949.D (-) m/z 42.9S100.00% I 43
5000 59
101 - 7.40 7.60 7.80 8.00 67 83 36,44 IIT 1+ 53 I.... . 1 ' 1 I ' ' m/ z !59.05 48.61% miz-> 10 20 30 40 50 60 70 80 90 100 110 . Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- I 4b 1
5000 - 59 7.40 7.60 7.80 8.00 m/z 101.05 21.05% 27 . 101 I i I . 49 ..; |i ■ । . . . . । 83 : ■ ■ i i 1 ’ 1 • i ' ’ 1 1 i > > • ■ । m/z-> 10 20 30 40) 50 60 70 80 90 100 110 Abundance #62322: Acetone 43 ■ • I • 1 1 TIT rm ' ' 7.40 7.60 7.80 8.00 5000 m/ z 58.05 19.08% ’■ 58 27 ■ ■ i ■ ■ ■ ■ i ■ ‘ ■ i 1 1 1 1 1 1 i 1 ■ 1 ' i ' ■ ' ' i ' ' ' ' i ' ' ' ■ i ■ ■ ■ ■ i ■ ' ' ■ i ■
m/z--> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1691: 3-Hydroxy-2-pentanone 1—nnD—u.m 31 59 7.40 7.60 7.80 8.00 m/z 41.05 7.82%
5000 45 15 .... L..... II...... 1 ■ i ' • ■ ■ i ‘ ' ■ I 1 ' 1 ' I ' 1 ■ i ■ ■ . 66 73 84 I ' ' ' ' i ' ' ' ' i . ............................. ‘ 102 • i • m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00
25949.D NP103001.M Tue Dec 11 09:32:08 2001 Page 1
NYC-WTC_000030824
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000030885
Laboratory report documenting GCMS analysis of sample AD26010 conducted on December 12, 2001.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030742
Laboratory report documenting GCMS analysis of sample AD25939 conducted on December 12, 2001, including surrogate compound data.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030806
Laboratory report documenting GCMS analysis of sample AD25948 conducted on December 12, 2001, including surrogate compound data.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030698
Gas chromatography-mass spectrometry analysis of sample AD25845, December 12, 2001, identifying other unknown compounds with threshold of 5.0 ug.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030875
Laboratory report documenting GCMS analysis of sample AD26009 conducted on December 12, 2001.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030826
Laboratory report documenting GCMS analysis of sample AD26005 conducted on December 12, 2001, including surrogate compound data.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069442
Laboratory report documenting GC/MS analysis of sample AD25259 conducted on November 28, 2001.
1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069708
Laboratory report documenting GCMS analysis of sample AD25496 conducted on November 26, 2001, noting unknown compounds.
1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069614
Laboratory report documenting GCMS analysis of sample AD25458 conducted on November 26, 2001, noting unknown compounds.
1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069832
Laboratory report documenting GCMS analysis of sample AD25663 conducted on November 29, 2001, noting other unknown compounds.
1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069389
Laboratory report documenting GC/MS analysis of sample AD25052 conducted on November 28, 2001.
1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069687
Laboratory report documenting GCMS analysis of sample AD25463 conducted on November 26, 2001, noting unknown compounds.
1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000069978
Laboratory report documenting GCMS analysis of sample AD25664 conducted on November 29, 2001, noting other unknown compounds.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030708
Laboratory report documenting GCMS analysis of sample AD25873 conducted on December 12, 2001, noting unknown compounds.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067782
Laboratory report documenting GCMS analysis of sample AD23997 conducted on October 29, 2001, noting unknown compounds.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069430
Laboratory report documenting GC/MS analysis of sample AD25155 conducted on November 28, 2001.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033653
Laboratory report documenting GCMS analysis of environmental sample AD27819 conducted on January 3, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033614
Laboratory report documenting GCMS analysis of environmental sample AD27774 conducted on January 3, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
Gas chromatography-mass spectrometry scan record from late October to November 2001 regarding environmental sample analysis.
Filed in the same folder
NYC-WTC_000030680
Chromatogram and calibration data for DFTPP standard used to verify GC/MS instrument performance during environmental analysis.
Filed in the same folder
NYC-WTC_000030685
Header page for a gas chromatography-mass spectrometry scan file related to environmental testing at the World Trade Center site.
Filed in the same folder
NYC-WTC_000030698
Gas chromatography-mass spectrometry analysis of sample AD25845, December 12, 2001, identifying other unknown compounds with threshold of 5.0 ug.
Filed in the same folder
NYC-WTC_000030708
Laboratory report documenting GCMS analysis of sample AD25873 conducted on December 12, 2001, noting unknown compounds.
Filed in the same folder