Laboratory report of a GC/MS blank run analyzing volatile organic compounds with results below detection limits in May 2002.
NYC-WTC_000045547–000045563Folder label: “GCMS X 5/3/02 A 5/7/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\MSDCHEM\1\DATA\050702\0503LB.D Vial: 5 Acq On 7 May 2002 4:24 pm Operator: Mclean Sample 5/3 kb Inst : Instrumen Misc : 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 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
5.98 8.86 ug/L 8128450 1,4-Dichlorobenzene-d4 9.94
Hit# Of 5 Tentative ID MW MolForm CAS# Qual
l 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 7 2 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 38 Abundance Scan 493 (5.976 min): 0503LB.D (-487) (-) m/ z 43.10 100. 00% 4t3
5000 59 I I I I I I I I I I I I I I I I I I I I I I I
101 5.60 5.80 6.00 6.20 6.40 ................... 381 kun 14 53 1 1 l 1 1 ’ 1 i ' 1 1 1 i ' 1 ' ' I 1 69 83 1 1 । 1'' 1 1 । ■ ' ■ 1 । 1 ■ 1 1 । ' | m/z 59.10 27.00% m/z-> 10 20 30 40 50 ।60 70 80 90 100 110 Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- 43 -
5000 5 60 5.80 6.00 6.20 6.40 59 m/z 58.10 24.51% — 101 i। । ....... 27.32 38, +48,53 । i ।। । ।i।ipiiii|r ' i 67 72 77 83 1 ■ 1 ■ i ' 1 oki ■ ' 1 91 96, | 1 i ’ 1 ■ 1 i 1 1 1 1 i ■ n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 4(3 i IT v"lII i Fi । i l i i | 1 i i i । i
5.60 5.80 6.00 6.20 6.40 5000 m/z 101.10 10.02% 59
15 31 101 . 26,1 , 38,1, —14 tipm(i 53 . I।। i 1 I । I । । I | I — | 1 — | I I I i | 83 > 1 । > I | I I i , I I । I i — | r
m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/z 42.10 5.89%
5000 59
63 — 101 ............ 26,31 , 38,1 1 I l i । । । i ! i i । । । i k r I l I I I I ' I I I I I 83 I I I I I 93 I I I I I । I I I I I I - । . — — 1 ' i 1 /z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40
0503LB.D 050102.M Thu May 09 09:21:01 2002 Page 6
NYC-WTC_000045556
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000045048
Laboratory report showing blank analysis results for volatile organic compounds in sample AE10303 on May 9, 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_000044433
Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043938
Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044858
Laboratory report showing blank sample analysis results for volatile organic compounds using gas chromatography-mass spectrometry on May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044902
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE09093 on May 10, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045092
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE10304 conducted on May 17, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043976
Laboratory report for sample AE09970 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044071
Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045624
Laboratory report detailing GC/MS analysis of sample AE10606 including surrogate recovery data in May 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023843
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in a GC/MS blank sample AE10901.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025054
Laboratory report showing GCMS blank analysis for sample AE11379 conducted on May 21, 2002, with results below minimum reporting levels.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025347
Laboratory report showing non-detect levels for 15 volatile organic compounds in a GCMS method blank processed on May 23, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000045543
Department of Environmental Protection GCMS analysis record for the World Trade Center site dated May 3-7 2002.
Filed in the same folder
NYC-WTC_000045544
Single-page document containing a laboratory sample identification label for the World Trade Center site dated May 2002.
Filed in the same folder
NYC-WTC_000045564
Laboratory report showing GC/MS calibration verification data for volatile organic compounds with response values in May 2002.
Filed in the same folder
NYC-WTC_000045568
Laboratory report of GC/MS analysis using reference standards to verify detection of volatile organic compounds in May 2002.
Filed in the same folder
NYC-WTC_000045576
Laboratory report detailing GC/MS analysis of sample AE10603 including surrogate recovery data in May 2002.
Filed in the same folder