NYC-WTC_000023179
Laboratory report showing GCMS analysis of sample AE09577 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Laboratory report detailing GCMS analysis of sample AE10897 conducted on May 21, 2002, including surrogate recovery data.
NYC-WTC_000024100–000024112Folder label: “GCMS X 5/10/02 A 5/16/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Data File : C:\MSDCHEM\1\DATA\051602\10897.D Vial: 10 Acq On : 16 May 2002 9:52 pm Operator: Mclean Sample : 5/10 eh 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 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.97 14.62 ug/L 10712700 1,4 -Dichlorobenzene-d4 9.93 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4 -hydroxy-4-methyl- 116 C6H12O2 000123-42-2 90 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 38 Abundance Scan 492 (5.970 min): 10897.D (-478) (-) m/ z 43.10 100.00% 43
5000 59 101 560 5.80 6.00 6.20 6.40 ........ 01 1111+++ 38 53 , ‘I+I । ' t ' +1174 ' I ' ‘ 67■ i 72' ■ ' ■ i 83 , | ' ' ' ' i ' ■ • 1 i ■ ' ■ ' i ' m/z 59.10 35.01% n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43
5000 59 560 5.80 6.00 6.20 6.40 m/z 58.05 23.02% 15 31 101 1 26, I 38, 53 —PP—T 83 - 0 i ■ । । ।11 । । । । I’l’u , । P|11 PH— miz-> 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 5000 m/z 101.10 13.37% 59
93 — 101! m/z-> Ol —10..20 26,31, 30 3940, TT* 50 60 11/*II’I’’IIIIIIIIFT ’II 70 80 83 90 93 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/z 41.15 5.83%
5000 59 101
m/z-> 0 — 10 ....... 20 30 39,140 481501 53,‘13 60 677072 778083 9091 96,100| < I ■ ■ ■ ■ I 1 ■ । 1 j ■ >J1 । । I > ■ 1 I 111 i-i-' । । 110 ■' TP pi . rreri ri err 5.60 5.80 6.00 6.20 6.40
10897.D 050102.M Fri May 17 15:05:33 2002 Page 4
NYC-WTC_000024108
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_000023179
Laboratory report showing GCMS analysis of sample AE09577 conducted on May 14, 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 topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗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 0.996
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 0.995
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 topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025274
Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11413 conducted on May 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023107
Laboratory report showing GCMS analysis of sample AE09574 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
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 topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025332
Fragmented document containing GC/MS data from May 28, 2002.
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 topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044708
Laboratory report documenting GCMS analysis of sample AE09336 conducted on May 8, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000023472
Laboratory report showing GC/MS analysis results for sample AE10163 including surrogate recovery data on May 14, 2002.
Similarity score 0.998 (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 0.998 (not a probability)
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.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044408
Laboratory report documenting GCMS analysis of sample AE10134 conducted on May 8, 2002.
Similarity score 0.997 (not a probability)
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.
Similarity score 0.997 (not a probability)
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.
Similarity score 0.997 (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_000024038
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000024039
Document containing sample identifier NYC-WTC_000024038 with laboratory processing parameters including drip rates and pH.
Filed in the same folder
NYC-WTC_000024041
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in blank sample AE10895.
Filed in the same folder
NYC-WTC_000024058
Laboratory report showing calibration data for volatile organic compounds in sample AE10895 analysis.
Filed in the same folder
NYC-WTC_000024062
Laboratory report showing reference standard analysis results for nitrosamines and other compounds in sample AE10895.
Filed in the same folder