Technical data sheet recording instrument parameters and calibration details for GCMS Method 508 analysis conducted in November 2001.
NYC-WTC_000033886–000033901Folder 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\LBA.D Vial: 9 Acq On : 26 Nov 2001 6:31 pm Operator: 209 GALOS Sample : 11/20 lab bik 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 8 3,6-Dioxa-2,4,5,7-tetrasilaoct Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 43.97 1.89 ug/1 365657 Perylene-dl2 37.12
Hit# Of 5 Tentative ID MW MolForm CAS# Qual
1 3, 6-Dioxa-2,4,5,7-tetrasilaoctane, 294 C10H3002Si4 004342-25-0 38 2 Trisiloxane, 1,1, 1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 35 3 3-1sopropoxy- 1,1, 1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 28 4 Mercaptoaceti c acid, bis(trimethyls 236 C8H20O2SSi2 006398-62-5 17 Abundance 7 Scan 4240 (43.966 min): LBA.D (-) m/ z 73 7 221
5000 281 355 TTETTITr T TT 43.60 43.80 44.00 44.20 __ 44 191 1 327t . , 401 429 TTT I ' ' i > * ■ * । • 1 117 miz-? Thdr —.r —r TT 50 100 150 ‘ 1 200 +r 250 300 350 400 450 500 550 m/z 147.00 90.56% Abundance #41682: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 147 221
73 5000 TTTT ' ■ I 1 1 1 ' I 1 1 ' ' i ' 43.60 43.80 44.00 44.20 191 117 / 279 I | m/z-> 50 ’ 100 150 200 1250" 300 ' 350 400 450 ' ' 500 550 Abundance #74103: Trisiloxane, 1,1,1 .5,5.5-hexamethyl-3,3-bis[(trimet 73 147 - e 43.60 43.80 44.00 44.20 5000 m/z 281.00 31.09% 281 45 369 117 ; 207 249 i miz—? Abundance 50 100 150 200 250 300 350 400 T11‘r-rumuuur 450 #60503:3-lsopropoxy-l ,1,1,7,7,7-hexamethyi-3,5,5-tris(trim 500 550 A " 73 43.60 43.80 44.00 44'20 "' m/z 207.00 27.95% 5000 147 A-MWA "Vw
221 281 327 415 . i 519 561 <*!•■»■ | । • i । । . . < . । . cu i ( . i r i p — ' miz-> 50 100 150 200 250 300 350 400 450 500 550 43.60 43.80 44.00 44.20
LBA.D GCMS1126.M Thu Jan 03 12:52:37 2002 Page 8
NYC-WTC_000033899
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
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.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030685
Header page for a gas chromatography-mass spectrometry scan file related to environmental testing at the World Trade Center site.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗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 0.992
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.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017663
Laboratory report documenting gas chromatography-mass spectrometry blank analysis conducted on December 27, 2001.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019049
Laboratory report documenting gas chromatography-mass spectrometry blank analysis for volatile organic compounds conducted on January 7, 2002.
1 shared topics · similarity 0.992
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 0.991
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 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018420
Laboratory report documenting GCMS blank analysis of sample AD30643 conducted on February 1, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000047955
GCMS blank analysis report for sample AE08209 listing volatile organic compounds from April 2002.
1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034958
Calibration report showing recovery percentages for various chemical standards used in the GCMS analysis.
1 shared non-person entities · 1 shared topics · similarity 0.991
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 0.991
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030685
Header page for a gas chromatography-mass spectrometry scan file related to environmental testing at the World Trade Center site.
Similarity score 0.994 (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 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000088905
Laboratory report documenting GC/MS analysis of sample AD23503 conducted on October 19, 2001.
Similarity score 0.993 (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 0.993 (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 0.993 (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_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