Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
NYC-WTC_000033765–000033779Folder 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\28159.D Vial: 21 Acq On : 27 NOV 2001 6:15 am 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 Trisiloxane, 1,1,1,5,5,5-hexam Concentration Rank 6 R.T. EstConc Area Relative to I STD R.T. 36.72 0.64 ug/1 112576 Perylene-d12 37.12 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Trisiloxane, 1, 1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 38 2 1,2-Benzenedicarboxylic acid, bis(t 310 C14H2204Si2 002078-22-0 16 3 Mercaptoacetic acid, bis(trimethyls 236 C8H20O2SSi2 006398-62-5 12 4 3-Isopropo; -1,1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 12 Abundance Z Scan 3450 (36.719 min): 28159.D (-) m/z 73.00 100.00% 73 147 5000 221 281 355
mlz-> 45 96 117 Tjm TTTMTTTTTTTTTTTT "TT „11.. Tpe , TTTTT TTTU - 327, 40 60 80 100120140160180200220240260280300320340360380400420 429 36.40 36.60 36.80 37.00 m/z 147.00 67.61% Abundance #74103: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet 73 147
5000 —IrPTPtP 36.40 36.60 36.80 37.00 281 369 m/z 221.05 44.09% 45 207 | 117 117 _ —27 249. . _ 249 m/z-> 40 6080 100 120140160180 200 220240 260 280300 320 340 360380 400 420 ' Abundance #72972:1,2-Benzenedicarboxylic acid, bis(trimethylsily!) e 147 73 "CTTfmTr -A 36.40 36.60 36.80 37.00
1 5000
45 295
miz—> 119 , —193 221 I mmTTTTTTTTTTTITTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT 40 60 80 100120140160180200220240260280300320340360380400420 WWW—VV Abundance #30949: Mercaptoacetic acid, bis(trimethylsily)- T T T T 73 36.40 36.60 36.80 37 00 147 m/z 354.95 20.80% 5000 221 45 104 193 TTTTT mhr TTTTTTTTTTTTTTTTTTTTTTTTT TT TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT T T T r m/z—>40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 36.40 36.60 36.80 37.00
28159.D GCMS1126.M Wed NOV 28 11:15:51 2001 Page 2
NYC-WTC_000033773
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000033800
Analytical commentary for sample AD28157 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 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033834
Analytical commentary for sample AD28155 dated November 29, 2001, noting detection of bis(2-Ethylhexyl)phthalate and low recovery rates.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
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.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034331
Laboratory report documenting GCMS analysis of sample AD28427 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034198
Laboratory report detailing GCMS analysis of sample AD28263 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034180
Laboratory report detailing GCMS analysis of sample AD28269 conducted on November 30, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034213
Laboratory report detailing GCMS analysis of sample AD28271 conducted on December 6, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034830
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28666 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034988
Laboratory report noting contamination from the TurboVap concentrator and recovery rates for sample AD28662.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034808
Laboratory analyst notes on GCMS scan results, recovery rates, and low pH conditions for sample AD28649.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034402
Laboratory report documenting GCMS analysis of sample AD28428 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_000034886
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28479 analyzed in early December 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_000034331
Laboratory report documenting GCMS analysis of sample AD28427 conducted between November 21 and 26, 2001.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034988
Laboratory report noting contamination from the TurboVap concentrator and recovery rates for sample AD28662.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034180
Laboratory report detailing GCMS analysis of sample AD28269 conducted on November 30, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034198
Laboratory report detailing GCMS analysis of sample AD28263 conducted between November 21 and 26, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017833
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30351 conducted on January 10, 2002.
Similarity score 0.996 (not a probability)
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.
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