Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD28229 conducted on January 9, 2002.
NYC-WTC_000033954–000033964Folder 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\28229.D Vial: 15 Acq On : 28 Nov 2001 6:57 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 3 3,6-Dioxa-2,4,5,7-tetrasilaoct Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
41.53 0.94 ug/1 101588 Perylene-d12 37.11
Hit# of 5 Tentative ID MW MolForm CAS# Qual
l 3,6-Dioxa-2,4,5y7-tetrasilaoctane, 294 C10H3002Si4 004342-25-0 32 2 3-Isopropoxy- ,1,1, 7,7,7-hexamethyl 576 C18H52O7Si7 071579-69-6 28 3 2,6-Dimethyl- ,4-bis(trimethylsilyl 311 C15H29NO2Si2 000000-00-0 16 4 Indole, 2-benzoyl- 221 C15H11NO___ __ 001022-86-2 9 Abundance Scan 3974 (41,530 mln): 28229.D (-) m/z 72.9.5 100.00% 73 147 221 5000 281 355
JL. 44 119 191 - - , TTH l r 1 1 r 1 ■ T1 T 1 1253 1 1. 41.20 41.40 41.60 41.80 m/z 147.Q0 69.96% miz-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #41682: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 147 221
73 5000 41,20 41.40 41.60 41.80 191 117 279 57. 79% | | ---------- • ' I ' ' ' 1 I 1 1 ■ ■ i m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #60503 3-szcrodosy i. 1.1 .7.7,7-hexamethyl-3,5,5-tris(trim 73 —A 41.20 41.40 41.60 41.80 ’ i ' ' ' ■ i
5000 m/z 280.95 30.96% 147 221 281 327 415 l i 519 561 miz-> 50 100 150 200 250 300 350 400 450 500 550 -W/W WA/W Abundance #44359: 2,6-Dimethyl-3,4-bis(trimethylsilyloxymethyl)pyridi T T I 1 1 1 1 I 73 221 41.20 41.40 41.60 41.80 ! m/z 355.05 22.93% 5000 147
178 45 I. I * T.1 —T250TPTT 296 _AAA/ 3.............. 100 150 1200 TTT rirt । r»ri । < । । i । . . , , । , , ‘ * | : I I f । r I I l|l III|I 111 J miz-> 50 300 350 400 450 500 550 41.20 41.40 41.60 41.80
28229.D GCMS1126.M Thu Jan 03 12:46:15 2002 Page 3
NYC-WTC_000033963
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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 · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033731
Laboratory report detailing GCMS analysis of sample AD28145 conducted on November 29, 2001, noting unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033742
Analytical commentary for sample AD28153 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 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033945
Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD28326 conducted on January 9, 2002.
1 shared non-person entities · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035967
Laboratory report documenting GCMS scan results for sample AD29138 with no unusual compounds detected.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017770
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30356 conducted on January 10, 2002.
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_000019070
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30115 conducted on January 9, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019163
Gas chromatography-mass spectrometry analysis report for sample AD30315, completed January 9, 2002, showing unknown compounds data.
Similar document embedding; no shared entity or topic indexed. · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035820
Lab notes for sample AD29022 indicate no unusual compounds detected but one LCS compound outside acceptance range.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035990
Laboratory report noting detection of bis(2-Ethylhexyl)phthalate in sample AD29028 analyzed on December 18, 2001.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036029
Laboratory report noting GCMS scan results for sample AD29140 with one compound recovery outside acceptance range.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000034799
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28593 analyzed in early December 2001.
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 ↗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 0.995 (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 0.995 (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 0.995 (not a probability)
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.
Similarity score 0.995 (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