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 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 1 2-Propanone, 1-methoxy- Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T.
7.01 0.55 ug/1 137194 1,4-Dichlorobenzene-d4 11.70
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2-Propanone, 1 -methoxy - 88 C4H802 005878-19-3 47 2 Butane, 1-mechoxy- 88 C5H120 000628-28-4 9 3 Acetyl hydroxyamino 75 C2H5NO2 000000-00-0 9 4 Isopropyl Alcohol 60 C3H80 000067-63-0 9 Abundance C——Scan 214 (7.011 min): 26202. D (-) m/z 44.95 100.00% 45
5000 61 73 ■ ■ i ' ' ■ ■ i ■ • • ■ i ■ ■ TITt 6.60 6.80 7.00 7.20 7.40 , 88 207 mmmm +7r — ,....j... i,... >i. <।....।. j i... ।..., ।...., TTT m/z 42.95 83.45% miz-> 10 2030405060 70 8090 100110120130140150160170180190200210 Abundance #62920: 2-Propanone, 1-methoxy 5
5000 29 58 6.60 6.80 7.00 7.20 7.40 15 m/z 60.95 35.14% .. 88 Tur Tggm miz-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #62933: Butane, 1-methoxy- 45 1 — A , r 4 : iti । r r — i"
6.60 6,80 7.00 7.20 7.40 5000 m/z 73.00 34.28%
15 27 56 m r l*.. 1 + + “———881 I’’IE“ITCIIEIETTOCTCOOIETIEII mlz-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #342: Acetyl hydroxyamino *3— • ' i1 ■71 i 1 ■ i ■ • ■ ' i 43 6.60 6.80 7.00 7.20 7.40 m/z 43.95 20.84% 5000
75 ......... 1.. . ............. ............................. m/z-> 10 20 30 40 50 60 70 80 90 100110120 130140 150160 170180 190200210 6.60 6.80 7.66 7.20 7.40
26202.D NP112601.M Tue Dec 04 16:05:34 2001 Page 1
NYC-WTC_000031096
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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_000017692
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30353 conducted on January 10, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034235
Laboratory commentary noting moderate recovery rates and absence of unusual compounds in sample AD28273.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036425
Laboratory report documenting GCMS analysis of sample AD29457 conducted on January 4, 2002, showing unknown compounds and surrogates.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036184
Follow-up report documenting re-extraction of sample AD29232 which maintained low recovery rates despite re-processing.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035865
Lab notes for sample AD29134 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036092
Laboratory report noting GCMS scan results for sample AD29234 with one compound recovery outside acceptance range.
Similarity score 0.993 (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