Header page for a gas chromatography-mass spectrometry scan file related to environmental testing at the World Trade Center site.
NYC-WTC_000030685–000030697Folder label: “GCMS SCAN X 10/31/01 AN 11/21/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search. Compound Report 4
Data File : C:\HPCHEM\1\DATA\NOV1901\LBA.D Vial: 14 Acq On : 20 Nov 2001 3:59 am Operator: 209 GALOS Sample : gc/ms unknown Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\NP103001.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 6 3,6-Dioxa-2,4,5,7-tetrasilaoct Concentration Rank 6
R.T. EstConc Area Relative to ISTD R.T.
44.03 0.59 ug/1 119967 Perylene-dl2 37.15
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 3,6-Dioxa-2,4,5,7/tetrasilaoctane, 294 C10H3002Si4 004342-25-0 43 2 Mercaptoacetic acid, bis(trimethyls 236 C8H20O2SSi2 006398-62-5 25 3 Trisiloxane, 1/1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 12 4 Silane, [(1- ethyl-1,3-propanediyl) 234 C10H26O2Si2 056771-47-2 12 Abundance Scan 4247 (44.030 min): LBA.D (-) m/z 73.00 100.00% 73 147 221
5000 281 355 TT ‘-1/1/1/11/1/1 , i III"
miz->. m 41 177 mh 1 1 m327 I h 1 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 429 43.60 43.80 44.00 44.20 44.40 m/z 147.00 87.98% Abundance #41682: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 147 221
5000 73 .. M 7 43.60 43.80 44.00 44.20 44.40 ' 191 117 279 m/z 220.95 70.85% i I Ttr miz-> 40 60 80 ‘160120140160180 200 220 240 260 280 300 320 340 360 380 400 420 " Abundance #309-9 MAcrcaptogcetic acid, bis(trmethylsilyl)- 73 147 43.60 43.80 44.00 44.20 44.40
_A 5000 m/z 281.00 38.53%’ 221 45 104 193 —————— qn । rj 1111111111111111111111 > 1111111 m/z-> 40 60 80 100120140160180200220240260280 300 320340 360 380 400420 Abundance #52459: Trisiloxane, 1,1,1.5,5,5-hexamethyl-3,3-bls[(trimet 73 147 43.60 43.80 44'00 44.20 44.40 281 m/z 354.95 35.09%
miz-> 5000
mmmmmmmmm249 , __k__ L 207 369 A ' 1 1 ‘ 40 60 80 100120140160180 200 220 240 260 280 300 320 340 360 380 400 420 ' 43.60 43.80 44.00 44.20 ‘44.40
LBA.D NP103001.M Tue Dec 11 09:19:27 2001 Page 6
NYC-WTC_000030696
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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 topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033886
Technical data sheet recording instrument parameters and calibration details for GCMS Method 508 analysis conducted in November 2001.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068230
Technical data sheet listing calibration standards and response factors for various polycyclic aromatic hydrocarbons.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068815
Calibration data sheet for GC/MS instrument listing standards like naphthalene-d8 used for testing on November 6, 2001.
1 shared topics · similarity 0.992
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_000069215
Laboratory report documenting GCMS analysis of sample AD25038 conducted on November 19, 2001, noting violations and unknown compounds.
1 shared topics · similarity 0.992
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 0.992
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_000069030
Calibration record for GC/MS instrument using TCLP method, listing standard compounds and response data from November 6, 2001.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067623
DEP lab report for GCMS analysis of sample AD23914 conducted on October 25, 2001, noting unknown compounds.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069659
Laboratory report documenting GCMS analysis of sample AD25461 conducted on November 26, 2001, noting unknown compounds.
1 shared topics · similarity 0.991
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 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.
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Gas chromatography-mass spectrometry scan record from late October to November 2001 regarding environmental sample analysis.
Filed in the same folder
NYC-WTC_000030680
Chromatogram and calibration data for DFTPP standard used to verify GC/MS instrument performance during environmental analysis.
Filed in the same folder
NYC-WTC_000030698
Gas chromatography-mass spectrometry analysis of sample AD25845, December 12, 2001, identifying other unknown compounds with threshold of 5.0 ug.
Filed in the same folder
NYC-WTC_000030708
Laboratory report documenting GCMS analysis of sample AD25873 conducted on December 12, 2001, noting unknown compounds.
Filed in the same folder
NYC-WTC_000030719
Laboratory commentary on GCMS scan of sample AD25874 dated December 13, 2001, identifying tetrachloroethane and noting a blank analysis.
Filed in the same folder