Analytical commentary for sample AD28157 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
NYC-WTC_000033800–000033815Folder 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\28157.D Vial: 16 Acq On : 27 NOV 2001 1:22 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 6 3,6-Dioxa-2,4,5,7-tetrasilaoct Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
41.55 6.93 ug/1 838903 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 25 2 1,3-Benzodioxole, 5-[3-acetaminopro 221 C12H15NO3 000000-00-0 22 3 Trisiloxane, octamethyl- 236 C8H2402Si3 000107-51-7 12 4 1,2-Benzenedicarboxylic acid, bis(t 310 C14H2204Si2 002078-22-0 12 Abundance Scan 3976 (41.546 min): 28157.D (-) m/z 73.00 100.00% 73 147 221 5000 281 355 Tf T ■ ' * I ' ‘ ’ I ’ ' ' ' I ' ' ‘ rI 1 429 41 20 41.40 41.60 41.80
m/z-> 36 DTupo T , 96 117, , TT —191-—234M1.T TTT A m/z 147.00 40 60 80 100120140160180200220240260280300320340360380400420 327L • , ---- 401 72.38% Abundance #41682: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 147 221
73 5000 — m—TTmmm 41.20 41.40 41.60 41.80 191 m/z 221.05 57.08% 117 279 /
m/z-> r1" 11 Xu 1" r " 'I mlkn mmmmmmmmmmmmmmmmmmm 40 60 80 100120140160180200220240260280300320340360380400420 Abundance #27829: 1,3-Benzodioxole, 5-[3-acetaminopropyl]- 211 TTTTT 135 162 41.20 41.40 41.60 41.80 73 m/z 281.00 28.71% 5000
104 |
ti/z—> 49 TUT lLL.L.-192+ 40 60 80 100120140160180200220240260280300320340360380400420 Abundance #30951: Trisiloxane, octamethyl- T 211 41.20 41.40 41.60 41.80 m/z 207.00 25.17%
5000 73
103 147 1 I 189 mpm TITTTTTTTTTTTTTTTTTTTTTTTTUTT > । > ■ ■ ■ p iii|>■■■|>> । ■11■..।....t....।. 11 40 60 80 100120140160180 200 220 240260 280 300 320 340 360 380 400 420 41.20 41.'40 41.60 4180 ' m/z->
28157.D GCMS1126.M Wed NOV 28 09:13:53 2001 Page 6
NYC-WTC_000033812
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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 0.999
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 0.997
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_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_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_000035700
Laboratory notes stating the GCMS scan of sample AD28901 revealed no unusual compounds.
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 0.997
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_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 ↗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 ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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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