Gas chromatography-mass spectrometry blank analysis conducted May 17, 2002 testing for semivolatile organic compounds with all results below method reporting limits.
NYC-WTC_000045936–000045963Folder label: “GCMS X 5/7/02 A 5/15/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Data File : C:\MSDCHEM\1\DATA\051402\0507LB.D Vial: 16 Acq On : 15 May 2002 2:34 am Operator: Mclean Sample : 5/7 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 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
5.96 11.79 ug/L 8008080 1,4-Dichlorobenzene-d4 9.93
Hit# of 5 Tentative ID MW MolForm CAS# Qual
l 2-Pentanone, 4 -hydroxy-4-methyl- 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2—72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 42 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 25 Abundance Scan 490 (5.958 min): 0507LB.D (-483) (-) m/z 43.10 100.00% 43
5000 59
101 dddd/mnn/d—/dn—/p/n0/B/n/T 560 5.80 6.00 6.20 6.40 73 83 207 0- 1 ' i 1 1 1 । । " । , I I l l 1 l ' I 1 I I I I I I I I I I I I I I I I I m/z 59.10 43.40% m/z-> 20 40 60 80 100 120 140 160 180 200 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43
5000 ■ 1 । 1 1 1 । 1 I [ Pr । । । i i i । r 59 5.60 5.80 6.00 6.20 6.40 m/ z 58.05 21.01% 15 31 101 o1 Tkl —l—lh T I- 83 ,I m/z-> 20 40 60 80 100 120 140 160 180 200 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 TTBddd/nTkk 5.60 5.80 6.00 6.20 6.40 5000 m/Z 101.10 17.39% 59
31 83 191 o1 ________ 11 I I It ’ 1 1 1 1 ' 1 1 I —1 ’III ‘ 1 1 1 i '' ‘ 'i 1 ■ 1 ■ i 1 1 1 1 i 1 ' ' ' i ' ■ ' 1 i 1 1 ' 1 i 1 1 /z-> 20 40 60 80 100 120 140 160 180 200 Abundance #5851 2-Pentanone, 4-hydroxy-4-methyl- ‘ ' I 1 1 43 5.60 5.80 6.00 6.20 6.40 m/ z 41.05 6.88%
5000 59 27 — 181 dal ..I 69 83 ,| 0 ' ' l 111 1 II ----4---=----+=========+======= m/z-> 20 40 60 80 100 120 140 160 180 200 5.60 5.80 6.00 6.20 6.40
0507LB.D 050102 .M Thu May 16 12:35:47 2002 Page 6
NYC-WTC_000045945
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NYC-WTC_000046006
Gas chromatography-mass spectrometry report for sample AE10810 showing detection of unknown compounds and surrogate recovery.
1 shared topics · Same agency, volume and box · similarity 0.993
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 topics · Same agency, volume and box · similarity 0.993
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 · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044672
Laboratory report documenting GCMS analysis of sample AE09335 conducted on May 8, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044381
Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044408
Laboratory report documenting GCMS analysis of sample AE10134 conducted on May 8, 2002.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024041
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in blank sample AE10895.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022965
Laboratory report of a GCMS blank run conducted on May 14, 2002, showing non-detect results for various compounds.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023409
Laboratory report showing non-detect results for volatile organic compounds in a method blank sample AE10137 analyzed on May 14, 2002.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023991
Laboratory report showing GC/MS analysis of sample AE10984 with surrogate recovery data for 2,4-DDD.
1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025216
Laboratory report showing GCMS blank analysis for sample AE11410 conducted on May 22, 2002.
1 shared topics · similarity 0.989
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 · similarity 0.988
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_000045932
Department of Environmental Protection GCMS analysis record for the World Trade Center site dated May 7-15 2002.
Filed in the same folder
NYC-WTC_000045933
Fragmented page from a GCMS laboratory record collection dated between May 7 and May 15, 2002.
Filed in the same folder
NYC-WTC_000045964
Gas chromatography-mass spectrometry calibration report for sample AE10809 showing measured values for semivolatile organic compounds.
Filed in the same folder
NYC-WTC_000045968
Gas chromatography-mass spectrometry reference report for sample AE10809 showing measured values for semivolatile organic compounds.
Filed in the same folder
NYC-WTC_000045984
Gas chromatography-mass spectrometry report for sample AE10809 showing detection of unknown compounds and surrogate recovery.
Filed in the same folder