NYC-WTC_000067453
DEP lab report for GCMS analysis of sample AD23900 conducted on October 23, 2001, noting unknown compounds.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Laboratory report documenting GCMS analysis of sample AD23997 conducted on October 29, 2001, noting unknown compounds.
NYC-WTC_000067782–000067795Folder label: “GCMS Scan X 10/5/01 An 10/25/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\OCT2501\23997.D Vial: 5 Acq On : 25 Oct 2001 4:36 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\NP101901.M (RTE Integrator) Title : 209 625/TCLP calibration table 7/16/01 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 4 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.72 1.82 ug/1 355091 1,4-Dichlorobenzene-d4 11.73 Hit# of 5 Teiitative ID MW MolForm CAS# Qual 1 2-Pentanoney^4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 38 2 Acetone 58 C3H6O 000067-64-1 9 3 3-Hydroxy-2-pentanone 102 C5H10O2 003142-66-3 9 4 Morphqline, 4-methyl- 101 C5H11NO 000109-02-4 9 Abundance / Scan 292 (7.723 min): 23997.D (-) m/z 42.95 100.00% 4(3
59 5000 101 .......... T 7.40 7.60 7.80 8.00 51 H ..................... .... 3Q I +*T-r-pr-r4 I. 69 83 , I m/z 59.05 55.57% 10 20 30 40 50 60 70 80 90 100 110
L Abundance #64275:2-Pentanone, 4-hydroxy-4-inethyl- 4(3
5000 ' ‘ ‘ I ‘ ‘ ‘ ' I ' ' ‘ ‘ 1 ‘ ‘ ' I ‘ ‘ ' I 59 7.40 7.60 7.80 8.00 m/z 101.0^ 24.2a 15 31 101 I I I 83 I 1 ‘ ‘ ‘ ' 1 ' ' ' ' 1 '■ nfe-> ' 'l0 ' 20 '30' 40 60 70 80 90 100 110 Abundance #62322: Acetone 4(3 ■ ' I ■ • ' ‘ I ■ ' ' ■ I ‘ ■ I 7.40 7.60 7.80 8.00 5000 m/z 58.05 18.30% 58 27 - 1-r^ TiZz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1691; 3-Hydroxy-2-pentanone / 21 59 7.40 7.60 7.80 8.00 m/z 41.00 8.13% 5000
Tlfe-> _ J _ 10 15 I I ■ ■ ' ' 1 ' ‘ ‘ ' I ' ■ • ' I ' 20 30 40 45
50 , 66 73 84 I I ■ • • • I ■ ■ ■ ■ I ' • ■ • 1 I 60 70 80 90 102 ' I ' ' ‘ ' I 100 110 7.40 7.60 L 7.80 8.00
23997.D NP101901.M Fri Oct 26 10:11:01 2001 Page 4
NYC-WTC_000067793
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_000067453
DEP lab report for GCMS analysis of sample AD23900 conducted on October 23, 2001, noting unknown compounds.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067467
DEP lab report for GCMS analysis of sample AD23901 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_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 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067880
Laboratory report documenting GCMS analysis of sample AD24051 conducted on October 29, 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_000067826
Laboratory report documenting GCMS analysis of sample AD24047 conducted on October 29, 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_000067908
Laboratory report documenting GCMS analysis of sample AD24133 conducted on October 29, 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_000067840
Gas chromatography-mass spectrometry analysis of environmental sample AD24048 conducted on October 29, 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_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 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067894
Laboratory report documenting GCMS analysis of sample AD24052 conducted on October 29, 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_000067922
Laboratory report documenting GCMS analysis of sample AD24134 conducted on October 29, 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_000067508
DEP lab report for GCMS analysis of sample AD23904 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_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 0.999
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000089259
Laboratory record for sample AD23723 showing detection of unknown compounds on October 17, 2001.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069193
Laboratory report documenting GCMS analysis of sample AD24981 conducted on November 19, 2001, identifying unknown compounds.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030816
Laboratory report documenting GCMS analysis of sample AD25949 conducted on December 12, 2001, including surrogate compound data.
Similarity score 0.998 (not a probability)
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.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069842
Laboratory report documenting GCMS analysis of sample AD25664 conducted on November 29, 2001, noting other unknown compounds.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069718
Laboratory report documenting GCMS analysis of sample AD25497 conducted on November 26, 2001, noting unknown compounds.
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.
NYC-WTC_000067735
Record of a GCMS scan conducted at the World Trade Center site in late October 2001.
Filed in the same folder
NYC-WTC_000067736
Header page from a GCMS scan batch dated October 5, 2001, associated with DEP laboratory operations.
Filed in the same folder
NYC-WTC_000067739
Calibration data sheet listing surrogate compounds and retention times for GC/MS instrument used in TCLP testing on October 25, 2001.
Filed in the same folder
NYC-WTC_000067752
Laboratory report documenting GCMS analysis of sample AD23995 conducted on October 29, 2001, noting unknown compounds.
Filed in the same folder
NYC-WTC_000067767
Laboratory report documenting GCMS analysis of sample AD23996 conducted on October 29, 2001, noting unknown compounds.
Filed in the same folder