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 Coinpound Report Data File C:\HPCHEM\l\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 6 3-1sopropoxy-1,1,1,7,7,7 -hexam Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 20.30 0.46 ug/1 153382 Acenaphthene-dl0 20.59 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3-Isopropoxy-1/I,1,7,7,7-hexamethyl 576 C18H52O7S17 071579-69-6 50 2 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H36O4Si5 003555-47-3 37 3 4-Amino-5-imidazole carboxamide, tr 342 C13H30N4OSi3 000000-00-0 9 4 Silane, [bicyclo[4.2.0]octa-3,7-die 282 C14H2602Si2 036461-33-3 5 Abundance Scan 1661 (20.295 min): 26202.D (-) m/z 73.00 100.00% 73
5000 147 281 -PP IT । i - 327 20.00 20.20 20.40 20.60 45 l , 383 415 1 1 1, ‘ 1 1 1 ''' i 117— — 191 221 251 -----TIT m/z 147.00 41.18% mz-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #60503: 3-Isopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73
-- 5000 20.00 20.20 20.40 20.60 147 m/z 281.00 39.47% 21. 2 3 415, —519581 ■ 1 i 1 * ■ ■ i ■ 1 1 1 i ■ ■ ■ 1 i ■ mlz-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #52459: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet 73 147 T T 281 20.00 20.20 20.40 20.60 5000 m/z 326.90 14.35%
369 207 249, I — mfe-> 50 100 150 200 250 300 ’ 350 400 450 500 ‘ ‘ 550 Abundance #48317: 4-Amino-5-imidazole carboxamide, tris(trimethylsily 1 • i < • ■ ‘ । > > » » । * < । * । , । 73 20.00 20.20 20.40 20.60 m/z 282.00 11.36% 327 5000 237 45 _ 147172 212, ( L m/z—> 50 100 150 200 250 300 350 400 450 500 550 20.00 20.20 20 40 20.60
26202.D NP112601.M Tue Dec 04 16:05:46 2001 Page 6
NYC-WTC_000031101
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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_000018492
Laboratory report showing GC/MS calibration data for polycyclic aromatic hydrocarbons and deuterated standards.
Similarity score 0.981 (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 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017808
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30352 conducted on January 10, 2002.
Similarity score 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017703
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30425 conducted on January 10, 2002.
Similarity score 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036712
GCMS analysis report for sample AD29563 listing unknown compounds and surrogate recovery data from January 28, 2002.
Similarity score 0.979 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018248
Laboratory report documenting GCMS analysis of sample AD30984 conducted on January 25, 2002.
Similarity score 0.979 (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