NYC-WTC_000023156
Laboratory report showing GCMS analysis of sample AE09576 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Laboratory report showing GCMS analysis of sample AE09577 conducted on May 14, 2002.
NYC-WTC_000023179–000023194Folder label: “GCMS X 5/8/02 A 5/9/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
’ Data File : C:\MSDCHEM\1\DATA\050902\9577.D Vial: 13 Acq On : 10 May 2002 1:04 am Operator: Mclean Sample : 5/8 kb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 4 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T. 5.97 14.74 ug/L 12230900 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# a
l 2-Pentanone, 4-hydroxy-4 -methyl- 116 C6H12O2 000123-42-2 6 2 2-Pentanone, 4 -hydroxy-4 -methyl- 116 C6H12O2 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 4 Acetone______ 58 C3H60 000067-64-1 32 Abundance Scan 492 (5.970 min): 9577.D (-485) (-) m/ z 43.10 100.00% 43
5000 59 101 560 5.80 6.00 6.20 6.40
miz-> ol .............. 10 20 30 37,11 40 +53+ 50 119125 67 83 , | 11 1 ' 1 i ■ ■ ■ 1 i 1 1 ■ ■ i ' 1 ' 1 i 1 ' 1 ■ i ■ ■ ’ ■ i 1 ' 1 ' i ■ ‘ 60 70 80 90 100 110 120 130 m/z 59.10 34.00%
Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43
5000 59 560 5.80 6.00 6.20 6.40 m/z 58.05 21.29% 15 101
mlz~> 01 ■ ■ I ' 10 ,25131,371 20 30 40 +53+ 50 83 , | 1uwaIa*uu‘wuajala-/0180*/* 60 70 80 90 100 110 120 130 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 13.86%
93 101 83 — 93 n/z-> 01 ...... 10 20 25131.37, 30 40 I-' H 50 । I 1 ' ■ ■ i 1 ■ 1 ' i 1 ' r ■ i ■ ■ 1 1 i ' ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ' ■
60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5 60 5.80 6.00 6.20 6.40 m/z 41.05 5.54%
5000 59 27 37 . 101 67 77 83 91 । 0 ---44 53 H ' I'''''1 I ■ ■ ■ ' i ■ ' 1 ■ i ■ ' ■ ' i ' ' ■ 1 i 1 ' ' 1 i ‘ ' ■ ■ i ' ' 1 1 i ' ' TT । । , PP PTTT miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40
9577.D 050102.M Mon May 13 11:52:24 2002 Page 7
NYC-WTC_000023190
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_000023156
Laboratory report showing GCMS analysis of sample AE09576 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023454
Laboratory report showing GC/MS analysis results for sample AE10160 including surrogate recovery data on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023107
Laboratory report showing GCMS analysis of sample AE09574 conducted on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024100
Laboratory report detailing GCMS analysis of sample AE10897 conducted on May 21, 2002, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024167
Lab notes regarding low recovery in sample AE10206 requiring re-extraction and successful re-analysis on May 21, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023063
Laboratory report detailing gas chromatography mass spectrometry analysis of sample AE09572 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023472
Laboratory report showing GC/MS analysis results for sample AE10163 including surrogate recovery data on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023130
Laboratory report showing GCMS analysis of sample AE09575 conducted on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023517
Laboratory report page showing GC/MS analysis for sample AE10817 including surrogate recovery data on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023871
Laboratory report showing GC/MS analysis of sample AE10901 with surrogate recovery data for 2,4-DDD.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046064
Gas chromatography-mass spectrometry report for sample AE10813 showing detection of unknown compounds and surrogate recovery.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046094
Gas chromatography-mass spectrometry report for sample AE10815 showing detection of unknown compounds and surrogate recovery.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000023454
Laboratory report showing GC/MS analysis results for sample AE10160 including surrogate recovery data on May 14, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023107
Laboratory report showing GCMS analysis of sample AE09574 conducted on May 14, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023156
Laboratory report showing GCMS analysis of sample AE09576 conducted on May 14, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023063
Laboratory report detailing gas chromatography mass spectrometry analysis of sample AE09572 conducted on May 14, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024100
Laboratory report detailing GCMS analysis of sample AE10897 conducted on May 21, 2002, including surrogate recovery data.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024126
Laboratory report detailing GCMS analysis of sample AE10899 conducted on May 21, 2002, including surrogate recovery data.
Similarity score 0.996 (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_000022961
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000022962
Fragmentary record containing a document identifier and date from the DEP GCMS analysis series.
Filed in the same folder
NYC-WTC_000022965
Laboratory report of a GCMS blank run conducted on May 14, 2002, showing non-detect results for various compounds.
Filed in the same folder
NYC-WTC_000022990
Laboratory report documenting GCMS calibration verification analysis conducted on May 14, 2002.
Filed in the same folder
NYC-WTC_000022994
Laboratory report of GCMS reference standard analysis conducted on May 14, 2002, showing recovery percentages.
Filed in the same folder