Gas chromatography-mass spectrometry analysis of environmental sample AD26202 conducted Dec 5, 2001, identifying unknown compounds.
NYC-WTC_000031088–000031103Folder label: “GCMS X 11/2/01 A 12/1/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\DEC0401\26202.D Vial: 71 Acq On : 4 Dec 2001 1:21 pm Operator: 209 GALOS Sample : 11/2 gc/ms Inst : GC/MS 209 Mise 2 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\NP112601.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.67 4.09 ug/1 1019650 1,4-Dichlorobenzene-d4 11.70
Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy- 4 -methyl - 116 C6H12O2 000123-42-2 43 2 CH2=CHCH2C (O))OCH3 100 C5H802 003724-55-8 10 3 Acetone / 58 C3H60 000067-64-1 9 4 Morpholine4-methyl-___________ 101 C5H11NO 000109-02-4 9 Abundance Scan 286 (7.672 min): 26202.D (-) m/z 42.95 100.00% 43
5000 59
101 1 ■ i • ■ ■ ' i tip TTTT i < । > i- — 71 7.40 7.60 7.80 8.00 ................ - 83 1............................................... 207 m/z 59.05 48.41% ■ ■ • I > mz-> 20 40। 60 80 100 120 140 160 180 7 200 Abundance #3245:2-Pentanone, 4-hydroxy-4-methyl- 43
TI I I [ I I 1 1. i : i I J : « I 4 | t J i T 5000 59 7.40 7.60 7.80 8.00 m/z 100.95 18.83% 31 । 93 101 . n.l • ■ । • ■ • • । • । । II । i i i । 73 .. ............... । । i I . . . • । ■ ■ ■ ■ । . ■ ■ ■ । • . • • । . ■ . ■ । ■ . mz-> 20 40 60 80 100 120 140 160 180 200 Abundance #1448: CH2=CHCH2C(O)OCH3 43
' 17.40 7.60 7.80 8.00 5000 m/z 58.05 16.92%
58 72........ 100 ............................ miz-> t20 —40r1 1 ‘ ■ I ' 60 180 1100 120 1140 160 180 200 Abundance #94: Acetone * * ■ 1 i » * * 1 । * * » * p ■ - p * * * 43 7.40 7.60 7.80 8.00 m/z 41.00 7.05% 5000 15 58 27 J 111 1,1 11 I ■ ■ • ■ T i i > ■ ■ ■ ।' ■ ■ ‘ i ‘ 1' ■ । ■' ■1 i ‘ • ■ ■ । ■ ■ ■ ' । ■ ■ 1 1 1 1 1 ' 1 I 1 1 1 1 I • • • • i • • miz—> 20 40 60 80 100 120 140 160 180 200 7.40 7.60 7.80 8.00
26202.D NP112601.M Tue Dec 04 16:05:37 2001 Page 2
NYC-WTC_000031097
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_000031063
Laboratory report documenting GCMS analysis of sample AD26164 performed on December 3, 2001, noting other unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000031171
Laboratory report documenting GCMS analysis of sample AD26206 with unidentified compounds detected.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030980
Laboratory report documenting GCMS analysis of sample AD26128 conducted on December 3, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000031003
Laboratory report documenting GCMS analysis of sample AD26131 conducted on December 5, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068413
Laboratory report documenting GCMS analysis of sample AD24431 conducted on November 7-9, 2001, identifying unknown compounds.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068037
Laboratory report documenting GCMS analysis of sample AD24219 conducted on November 6, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004149
Large multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068460
Laboratory report documenting GCMS analysis of sample AD24474 conducted on November 9, 2001, identifying unknown compounds.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068748
Gas chromatography-mass spectrometry analysis of sample AD24482 completed November 13, 2001, identifying other unknown compounds with violations referenced in comments.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069215
Laboratory report documenting GCMS analysis of sample AD25038 conducted on November 19, 2001, noting violations and unknown compounds.
1 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000089203
Laboratory record for sample AD23719 showing detection of unknown compounds on October 17, 2001.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069644
Laboratory report documenting GCMS analysis of sample AD25460 conducted on November 26, 2001, noting unknown compounds.
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_000031187
Laboratory report identifying multiple organic compounds including 1,1'-oxybis(2-ethoxy-)ethane in sample AD26207.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030980
Laboratory report documenting GCMS analysis of sample AD26128 conducted on December 3, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004149
Large multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030816
Laboratory report documenting GCMS analysis of sample AD25949 conducted on December 12, 2001, including surrogate compound data.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000031027
Analytical comment stating no non-target compounds were detected in the extract for sample AD26133 analyzed on December 3, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017770
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30356 conducted on January 10, 2002.
Similarity score 0.995 (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_000030966
Single-page GCMS document identifier from the Environmental Protection Department archive covering late 2001 testing records.
Filed in the same folder
NYC-WTC_000030967
Administrative record of GCIMS scanning operations for World Trade Center environmental samples between November and December 2001.
Filed in the same folder
NYC-WTC_000030969
Laboratory report documenting GCMS analysis of sample AD26129 conducted on December 3, 2001.
Filed in the same folder
NYC-WTC_000030980
Laboratory report documenting GCMS analysis of sample AD26128 conducted on December 3, 2001.
Filed in the same folder
NYC-WTC_000030992
Laboratory report documenting GCMS analysis of sample AD26130 conducted on December 3, 2001.
Filed in the same folder