NYC-WTC_000025542
Laboratory report documenting GCMS analysis of sample AE11154 conducted on May 29, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗GCMS analysis for sample AE11157 identifying other unknown compounds with a 2,4-DDD surrogate recovery of 91%, completed May 22, 2002.
NYC-WTC_000024652–000024664Folder label: “GCMS X 5/13/02 A 5/15/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File : C:\MSDCHEM\l\DATA\020515\11157.D Vial: 9 Acq On : 15 May 2002 7:43 pm Operator: Nefliu Sample : sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1
Peak Number 2 2-Pentanone, 4-hydroxy-4-me.. Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
6.16 23.90 ug/1 1877420 1,4-Dichlorobenzene-d4 11.38
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2-Pent anone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 2 2 -Pent anone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 32 Abundance Scan 524 (6.158 min): 11157.D (-509) (-) m/z 43.10 100.00% 40
59 5000
101 580 6.00 6.20 6.40 6.60 . ............. 38,1 +48,53+ I ' ■ ‘ ' I ' 1 1 1 I ' ' 1 ' I ' ' ' 1 1 1 1 1 1 1 1 69 83 88 | m/z 59.10 51.36% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 40
5000 '580 6.00 6.20 'eXO 6.60 59 m/z 58.05 18.68% « 101
n/z-> ......... 10 20 37,32 30 38,140 +-48,53 60 50 67 72 77 83 91 96, | II*I!I‘II‘IIIII‘I‘IIIII 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 40 - . . . 5.80 6.00 6.20 6.40 6.60 5000 m/z 101.10 17.17% 59
15 <11 101 , , , . 26,1 , 381 +53+ 83 ------ iz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 40 580 6.00 6.20 6.40 6.60 m/z 41.10 7.60% 5000 59
_______ ____ 93 no 101 n/z-> ......... 10 20 29,31 30 .38,140 1 ■ ' i ' 50 0 I‘4*II*+‘‘1‘IIIIII‘I‘II 60 70 80 90 93 ।______ 100 110 5.80 6.00 6.20 6.40 6.60
11157.D SCAN020507.M Thu May 16 09:38:53 2002 Page 4
NYC-WTC_000024659
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000025542
Laboratory report documenting GCMS analysis of sample AE11154 conducted on May 29, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025520
Laboratory report of GCMS analysis for sample AE10812 conducted on May 29, 2002, showing surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024851
GCMS analysis results for sample AE10245 conducted May 28, 2002, showing unknown compounds and 2,4-DDD surrogate recovery at 86 percent.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025568
GCMS analysis report for sample AE11567 showing unknown compounds and surrogate recovery data from May 29, 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_000022526
Laboratory report of GCMS analysis for sample AE11425 conducted on May 29, 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_000025613
GCMS analysis report for sample AE11571 showing unknown compounds and surrogate recovery data from May 29, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024791
Laboratory report of GCMS analysis for sample AE10242 conducted on May 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024390
Chain of custody record for GCMS analysis of sample AE10240 on May 20, 2002, including surrogate compound data.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022598
Laboratory report of GCMS analysis for sample AE11566 conducted on May 29, 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_000024871
Laboratory report of GCMS analysis for sample AE10246 conducted on May 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043806
Analytical report for sample AE09769 documenting GC/MS analysis of unknown compounds and surrogate recovery data from May 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046159
Laboratory report listing GCMS results for unknown compounds and surrogates from sample AE10130 on May 17, 2002.
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_000022539
Laboratory report of GCMS analysis for sample AE11426 conducted on May 29, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025613
GCMS analysis report for sample AE11571 showing unknown compounds and surrogate recovery data from May 29, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022526
Laboratory report of GCMS analysis for sample AE11425 conducted on May 29, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024534
Laboratory report showing blank test results for GCMS analysis of sample AE11282 conducted between May 13 and May 16, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024843
Laboratory report documenting GCMS analysis of sample AE10244 conducted on May 28, 2002, including surrogate recovery data.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024305
Laboratory report detailing GCMS analysis of sample AE10207 conducted on May 17, 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_000024623
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000024624
Laboratory report documenting GCMS analysis of sample AE11305 conducted on May 28, 2002, including surrogate recovery data.
Filed in the same folder
NYC-WTC_000024629
Laboratory report showing blank test results for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024640
Laboratory report displaying calibration data for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024644
Laboratory report displaying reference standard results for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
Filed in the same folder