NYC-WTC_000023949
Laboratory report showing GC/MS analysis of sample AE10983 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Laboratory report showing GC/MS analysis of sample AE10984 with surrogate recovery data for 2,4-DDD.
NYC-WTC_000023991–000024013Folder label: “GCMS X 5/10/02 A 5/14/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document X —tl. LCD
Data File : C:\MSDCHEM\1\DATA\051402\10984.D Vial: 13 Acq On : 14 May 2002 11:17 pm Operator: Mclean Sample : 5/10 kb Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 3 2-Pentanone, 4-hydroxy-4-me.. Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
5.98 19.60 ug/L 20532300 1,4 -Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4 - hydroxy - 4 - me t hyl - 116 C6H12O2 000123-42-2 86 2 2 -Pentanone, 4 -hydroxy-4 -methyl- 116 C6H12O2 000123-42-2 2 3 2 -Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42-2 4 Acetone______ 58 C3H60 000067-64- 32 Abundance Scan 494 (5.982 min): 10984.D (-485) (-) m/z 43.10 100.00% 43
5000 59 101 5.60 5.80 6.00 6.20 6.40 ............... O+ TIIu ■i-r-p 11111 4 37,1 53, ItTt 1" 1 11‛l 69 77 83 i ‘ [ ■ 1 i 1 1 ' ' i ■ ■ 1 ' i , | 117 125 ' i 1 ■ ' 1 i ■ ‘ 1 ' i ' ■ ■ ' i ' ' m/z 59.10 35.32% miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43
5000 59 5.60 5.80 6.00 6.20 6.40 m/z 58.10 21.97% 15 101 01 25,31 37, , X T— ’ ’ I ' 53, 1 " I “'l I 1 ■ ■ ' i 1 ■ ■ ■ i 83 ' i ' ' 1 .1 i | 1 ■ ■ ■ i 1 ■ ' ■ i 1 ■ ' ■ i ' ' n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 .. ............ .................................... .. . 5.60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 13.48%
83 — 93 93 101 । O+ . ..... . "■i "'i I ■ ■ ' ■ i ■ ■ ■ ‘ i ' ' ‘ ■ i 1 ' ' 1 i 1 1 ' ■ i 1 ■ ' ' i ' ' ‘ 1 i ' ‘ m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 ■ i ■ ■ ■ । i ■ 5.60 5.80 P) 6.006.20 6.40 m/ z 41.15 5.95%
5000 59 101 0 PrpP—P) 27 37 53, Ml/l +TT4+ 67 77 83 91 , | I ■ 1 1 ■ i 1 1 1 ' i 1 1 ‘ ■ i ‘ ■ 1 1 i 1 r ■ 1 i ■ ' 1 ■ i 1 ‘ ' ■ i ' 1 TTTu IP 17 1T ''T1'1 IFT" /z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40
10984.D 050102.M Thu May 16 14:41:38 2002 Page 7
NYC-WTC_000024002
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000023949
Laboratory report showing GC/MS analysis of sample AE10983 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023179
Laboratory report showing GCMS analysis of sample AE09577 conducted on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
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 0.994
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 0.994
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 0.994
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 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025304
Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11415 conducted on May 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023925
Laboratory report showing GC/MS analysis of sample AE10982 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.993
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 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045984
Gas chromatography-mass spectrometry report for sample AE10809 showing detection of unknown compounds and surrogate recovery.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046036
Gas chromatography-mass spectrometry report for sample AE10811 showing detection of unknown compounds and surrogate recovery.
1 shared non-person entities · 1 shared topics · similarity 0.994
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 0.993
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000046094
Gas chromatography-mass spectrometry report for sample AE10815 showing detection of unknown compounds and surrogate recovery.
Similarity score 0.994 (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 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044731
Laboratory report documenting GCMS analysis of sample AE08756 conducted on May 8, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044708
Laboratory report documenting GCMS analysis of sample AE09336 conducted on May 8, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023179
Laboratory report showing GCMS analysis of sample AE09577 conducted on May 14, 2002.
Similarity score 0.993 (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 0.993 (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_000023840
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000023841
Document containing sample identifier NYC-WTC_000023840 associated with Department of Environmental Protection testing records.
Filed in the same folder
NYC-WTC_000023843
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in a GC/MS blank sample AE10901.
Filed in the same folder
NYC-WTC_000023859
Calibration data for volatile organic compounds including nitrobenzene and isophorone from sample AE10901 analysis.
Filed in the same folder
NYC-WTC_000023863
Calibration data for volatile organic compounds including nitrobenzene and isophorone from sample AE10901 analysis.
Filed in the same folder