NYC-WTC_000012295
Laboratory report for GC/MS blank analysis of sample AE04417 conducted on March 22, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Gas chromatography-mass spectrometry blank analysis for multiple chlorinated organic compounds with detection limits, completed March 26, 2002.
NYC-WTC_000038004–000038012Folder label: “GCMS X 2/20/02 A 3/22/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\MAR2202\LB.D Vial: 3 Acq On : 22 Mar 2002 8:06 pm Operator: Sample : gc/ms scan 2/20 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.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 1
R.T. EstConc Area Relative to ISTD R.T.
40.63 0.39 ug/1 35394 Perylene-dl2 37.97
Hit# of 5 Tentative ID MW MolForm CAS#' Qual
1 3,6-Dioxa-2,4,5,7-tetrasilaoctane , 294 C10H3002Si4 004342-25-0 25 2 Ethanedioic acid, bis(trimethylsily 234 C8H1804Si2 018294-04-7 14 3 Acetic acid, [ (trimethylsilyl)oxy]- 220 C8H20O3Si2 033581-77-0 14 4 Mercaptoacetic cid, bis(trimethyls 236 C8H20O2SSi2 006398-62-5 12
1X2 Abundance Scan 3876 (40.627 min): LB.D (-) 73 147 221 5000- 281 355 429 193 40.20 40.40 40.60 40.80 41.00
m/z-> 111" ' i — TTT L.. 253.1.. _ —..... — ... L ETI"u ................ TUTTTETTEIUETT 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 ‘ m/z 147.00 72.51% Abundance #41682: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 147 221
5000 73 A AAMMAAAAL , AAAAAAA 40.20 40,40 40.60 40.80 41.00 191 117 | 279 m/z 221.05 51.86% 'i"111'1111 TTUTTs Jul V’TTTT T । m .।।।. mm m mm 11 j m/z-> 40 60 80 100 120 140 160180 200 220 240 260 280 300 320 340 360 380 400 420 Abundance #30580: Ethanedioic acid. bis(trimethylsily!) ester 73 147 ■
40.20 40.40 40.60 40.80 41.00 5000 m/z 355.05 30.37% 45 190 219 »T‘‘• TI 11. i. I... 11.... I TTTTTT ।।| , TTTTT p 1111111111TTTTT 111 miz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 Abundance #27462: Acetic acid. [(trimethylsilyl)oxy]-, trimethylsilyl 73 147 40.20 40.40 40.60 40.80 41.00 m/z 281.05 24.61% 5000- wWWwAnl "wytWWWvw 45 177 205 103 __ I ‘I1 “'I l" TTTT T’TTT Ui ‘TETTETT I I ‘I‘TTTTT ‘‘ miz-> 40 60 80 100120 140 160180 200 220 240 260 280 300 320 340 360 380 400 420 40.20 40.40 40.60 40.80 41.00
LB.D GCMS0308.M Tue Mar 26 15:01:02 2002 Page 2
NYC-WTC_000038011
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
No available related records indexed in this group.
NYC-WTC_000012295
Laboratory report for GC/MS blank analysis of sample AE04417 conducted on March 22, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058591
Laboratory report showing GCMS blank analysis for volatile organic compounds on April 2, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009807
GCMS blank sample results for target compounds showing non-detectable levels on February 22, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011837
Laboratory report of a GCMS blank run for sample AE04388 conducted on March 28, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058242
Laboratory blank analysis report for sample AE04733 conducted April 1, 2002, showing compounds below detection limits.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049302
Laboratory report showing blank analysis results for sample AE08839 with various compounds below detection limits.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000060438
Laboratory report showing GC/MS blank analysis for Method 508 compounds with non-detectable levels.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048695
Calibration table listing results for various organic compounds including nitrosamines and dichlorobenzenes from April 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058352
Laboratory blank analysis report for sample AE04590 conducted March 29, 2002, showing compounds below detection limits.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010150
Laboratory report of a GCMS blank run on February 28, 2002, showing non-detect levels for various target compounds.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058898
Laboratory report showing non-detect levels for various organic compounds in a GCMS blank sample from April 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058163
Laboratory blank analysis report showing all target compounds detected below the method detection limit on March 29, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000048013
Gas chromatography-mass spectrometry analysis of sample AE08210 detecting unknown organic compounds and measuring 2,4-DDD surrogate recovery at 73%, April 22, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048013
Gas chromatography-mass spectrometry analysis of sample AE08210 detecting unknown organic compounds and measuring 2,4-DDD surrogate recovery at 73%, April 22, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048055
GCMS analysis report for sample AE08215 showing surrogate recovery and unknown compounds from April 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034402
Laboratory report documenting GCMS analysis of sample AD28428 conducted between November 21 and 26, 2001.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000039560
Laboratory report documenting GCMS analysis of sample AE06453 conducted on April 19, 2002, by the DEP.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048055
GCMS analysis report for sample AE08215 showing surrogate recovery and unknown compounds from April 2002.
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_000037988
Department of Environmental Protection site log sheet for the World Trade Center area covering February and March 2002.
Filed in the same folder
NYC-WTC_000037989
Fragmented document header from a GCMS data file related to World Trade Center environmental sampling in March 2002.
Filed in the same folder
NYC-WTC_000037992
Log sheet recording sample preparation details including drip rates and pH for GCMS analysis in March 2002.
Filed in the same folder
NYC-WTC_000037996
Laboratory report listing quantitative concentrations of volatile organic compounds in sample AE03823 analyzed on March 26, 2002.
Filed in the same folder
NYC-WTC_000038013
Laboratory report listing detection results for volatile organic compounds in sample AE03823 analyzed on March 29, 2002.
Filed in the same folder