Analytical commentary for sample AD28153 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
NYC-WTC_000033742–000033751Folder label: “GCMS X 11/20/01 A 11/26/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV2601\28143.D vial: 14 Acq On : 26 Nov 2001 11:25 pm Operator: 209 GALOS Sample : 11/20 scan Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 3,6-Dioxa-2,4,5,7-tetrasilaoct Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 41.54 0.47 ug/1 79059 Perylene-dl2 37.12 • Hit# of Tentative ID MW MolForm CAS# Qual 1 3,6-070x3-2,4,5,7-tetrasilaoctane, 294 C10H30O2Si4 004342-25-0 38 2 3-Isppropoxy-l,1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 28 3 Ethanedioic acid, bis (trimethylsily 234 C8H18O4Si2 018294-04-7 22 4 1,1/1,5,7,7,7-Heptamethyl-3,3-bis(t 444 C13H40Q5Si6 038147-00-1 17 Abundance
5000
39 — Scan 3975 (41.538 min): 28143.D (-) 73
105 147
193 i 221
.23 m/z73.00 100.00%
4 281 355 429 — RAPA •
m/z 147.00 A 41.20 4l'4O 41.60 41.80 95.60% ' miz—> 50 100 150 200 So 300 350 400 450 500 550 Abundance #41682: 3,6-Dioxa-2,4,5, ,7-tetrasilaoctane, 2,2,4,4,5,5,7,7-
73 147 221 / WMMW 5000 ........................................ 41.20 41'40 41.60 41.80 ' 117 m/z 221.00 68.79% ........— 279
mlz~> Abundance 50 100 150 250 300 350 400 450 #60503: 3-Isopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 500 550 /lwhp, 73 111/1,1 T i r| . . , . । . 1 1 । 1 i r. । 41.20 41.40 41.60 41.80 5000 m/z 281.00 38.82% 147 221 281 327 415 519 561 "WMwt ---------------- ■ ■ । i ■ i ■ ■ ■ ■ 1 ■ 1 ■ ■ 1 1 ■ 100 150 200 250 300 350 400 450 500 550 IAAW/WW miz-> 50 Abundance #30580: Ethanedioic acid, bis(trimethylsilyl) ester 73 147 41.20 41.40 41.60 41.80 m/z 354.95 33.09% / 5000 45
m/z—> —50l 100 TIT1501221% 200 250 300 350 400 450 500 550 — 1 1 1 1 41.20 41.40 41.60 41.80
28143.D GCMS1126.M Tue Nov 27 15:30:02 2001 Page 2
NYC-WTC_000033750
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000033789
Analytical commentary for sample AD28151 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033825
Analytical commentary for sample AD28265 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033780
Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034271
Laboratory report documenting GCMS analysis of sample AD28433 conducted on November 30, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034799
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28593 analyzed in early December 2001.
1 shared non-person entities · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034302
Laboratory report documenting GCMS analysis of sample AD28434 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034415
Laboratory report documenting GCMS analysis of sample AD28267 conducted on November 30, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034393
Laboratory report documenting GCMS analysis of sample AD28470 conducted on November 30, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034741
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28600 analyzed in early December 2001.
1 shared non-person entities · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034366
Laboratory report documenting GCMS analysis of sample AD28468 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034249
Laboratory report documenting GCMS analysis of sample AD28277 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034384
Laboratory report documenting GCMS analysis of sample AD28429 conducted on November 30, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000033800
Analytical commentary for sample AD28157 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033765
Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033752
Analytical commentary for sample AD28159 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034799
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28593 analyzed in early December 2001.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033789
Analytical commentary for sample AD28151 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033752
Analytical commentary for sample AD28159 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
Similarity score 0.996 (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_000033704
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000033705
Fragmented page from a GCMS-related record dated between November 20 and 26, 2001, likely part of the WTC environmental monitoring series.
Filed in the same folder
NYC-WTC_000033707
Laboratory report of a GCMS blank analysis for sample AD28143 conducted on November 28, 2001, listing various organic compounds below detection limits.
Filed in the same folder
NYC-WTC_000033723
Calibration record for GCMS instrument 209 using method GCMS1126, dated November 26-28, 2001, listing standard compounds and retention times.
Filed in the same folder
NYC-WTC_000033726
Laboratory report of a GCMS reference analysis for sample AD28143 conducted on November 28, 2001, listing detected compounds and retention times.
Filed in the same folder