DEP lab report for GCMS analysis of sample AD23909 conducted on October 23, 2001, noting unknown compounds.
NYC-WTC_000067555–000067578Folder label: “GCMS Scan X 10/2/01 An 10/17/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\OCT1801\23909.D Vial: 4 Acq On : 18 Oct 2001 7:07 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\NP091101.M (RTE Integrator) Title : 209 625/TCLP calibration table 7/16/01 Library : C:\DAT7kBASE\NBS75K.L ********************************************************************* Peak Number 5 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.75 2.05 ug/1 192175 1,4-Dichlorobenzene-d4 11.77 Hit# of 5 'entative ID MW MolForra CAS# Qual 1 2-Penta: me, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 50 2 Acetic/ cid, 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 33 3 3 -Hy^oxy- 2 -pentanone 102 C5H10O2 003142-66-3 9 4 Morpnoline, 4-methyl- 101 C5H11N0 000109-02-4 9 bundance-' Scan 295 (7.747 min): 23909.D (-) m/z 42795 100.00% 4)3
SOX)
10 20 30 40 + 50 60 59
71 70 80 83 90 101
I 1 ' - ' ' I 100 110 7^ m/z 7.^ 59.05 L 7.^ 8.00 49.68% Abundance #64275; 2-Pentanone. 4-hydroxy-4-methyt- 4i3
5000 K' 59 7.40 7.60 7.80 8.00 m/z 101.05 20.78% 15 31 101 T-r-r-r-ir ( I ' “ I ”’ ' ' ' 1 ‘
■nfe-> 10 20 30 40 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester
7.40 7.60 7.80 8.00 5000 57 m/z 58.05 15.94% 101
TiZz-> ‘ 'lb' " 27 ’ 30 •I* I ' I ' ' ' ' I ■ ... I . I I . I ... I I .... I . ... I 40 50 60 70 80 90 100 110 Abundance #1691:3-Hydroxy-2-pentanone 31 59 7.40 7.60 7.80 8.(X) m/z 41.05 6760%
500)
, T , I..... 10 20 30 40 rRr.,.|l|^ 50 60 ‘ 70 73 "ao“ 64.............. 102 “ iro " iio ■ 7.40 7.60 7.80 8.00
23909.D NP091101.M Fri Oct 19 10:17:09 2001 Page 5
NYC-WTC_000067567
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000067579
Gas chromatography-mass spectrometry analysis of sample AD23910 conducted by NYC Department of Environmental Protection labs on October 23, 2001, identifying unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067535
DEP lab report for GCMS analysis of sample AD23906 conducted on October 23, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067752
Laboratory report documenting GCMS analysis of sample AD23995 conducted on October 29, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067796
Laboratory report documenting GCMS analysis of sample AD23998 conducted on October 29, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067675
DEP lab report for GCMS analysis of sample AD23948 conducted on October 25, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067635
DEP lab report for GCMS analysis of sample AD23915 conducted on October 25, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067690
DEP lab report for GCMS analysis of sample AD23993 conducted on October 25, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067767
Laboratory report documenting GCMS analysis of sample AD23996 conducted on October 29, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067720
Laboratory report documenting GCMS analysis of sample AD23993 conducted on October 25, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067811
Laboratory report documenting GCMS analysis of sample AD24046 conducted on October 29, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000087163
Laboratory report documenting GC/MS analysis of sample AD22578 conducted on October 10-11, 2001, identifying unknown compounds.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000089446
Laboratory report documenting GC/MS analysis of sample AD23797 conducted on November 1, 2001, identifying unknown compounds.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
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.
NYC-WTC_000067405
Record of a GCMS scan conducted at the World Trade Center site between October and November 2001.
Filed in the same folder
NYC-WTC_000067406
Gas chromatography-mass spectrometry analysis of sample AD22558 started October 1, 2001, identifying other unknown compounds.
Filed in the same folder
NYC-WTC_000067425
Log sheet recording liquid-liquid extraction parameters and sample processing details for October and November 2001.
Filed in the same folder
NYC-WTC_000067428
Laboratory report detailing GCMS analysis of sample AD22558 conducted on October 1, 2001.
Filed in the same folder
NYC-WTC_000067439
DEP lab report for GCMS analysis of sample AD23844 conducted on October 23, 2001, noting unknown compounds.
Filed in the same folder