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\GCMS1.126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 8 Trisiloxane, 1,1,1,5,5,5-hexam Concentration Rank 4
R.T. EstConc Area Relative to ISTD R.T.
47.05 4.92 ug/1 595757 Perylene-dl2 37.12
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Trisiloxane/ 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 25 2 1,2-Benzenedicarboxylic acid, bis(t 310 C14H2204Si2 002078-22-0 22 3 3,6-Dioxa- 2,4,5, 7-tetrasilaoctane, 294 C10H3002Si4 004342-25-0 17 4 Tris(trime thylsilyl) borate 278 C9H27BO3Si3 004325-85-3 10 Abundance Scan 4576 (47.054 min): 28157.D (-) m/z 72.95 100.00%
7 70 147 221
5000 281 355 429 46.80 47.00 47.20 47.40 Tn43 tTn 117 ■ ■■ 191 .. - 11 01। r 11».11 253I ।..»»p m/z-> 40 60 80 100120140160180200220240260280300320340360380400420 327+— h m/z 147.00 90.31% Abundance #74103: Trisiloxane, 1,1,1,5,5,5-hexamethyi-3,3-bis((trimet 7 147
5000 46.80 47.00 47.20 47.40 281 m/z 221.05 76.47%
.A. . 45 369 L •" I'1 "In 117 207 249 | n n 111111 ,,,, ।. .. ।. .. . ।. . TTUTTTTTT mmmmmmppmmpmmpmp m/z-> 40 60 80 100120140160180200220240260280300320340360380400420 Abundance #72972: 1,2-Benzenedicarboxylic acid, bis(trimethylsilyl) e 147 73 46.80 47.00 47.20 47.40 5000 m/z 280.95 38.83%
m/z-> Lm 45 119 . TTEUTTTIgTgu 193 221 295
40 60 80 100120140160180200220240260280300320340360380400420 I Abundance #41682: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4.5,5,7,7- 147 221 46 80 47.00 47.20 47.40 m/z 207.00 35.35% 73 5000 191 117 279 ..........— mk mmmmmmmmmmmmmm T’IUTITITTIUVEIOUIETETTTT’T 1 1 I 1 1 1 ' I 1 1 ' 1 i ■ ■ ■ ' I ' 1 m/z—> 40 60 80 100120140160180 200 220 240 260 280 300320 340 360 380 400 420 46.80 47.00 47.20 47.40
28157.D GCMS1126.M Wed Nov 28 09:13:57 2001 Page 8
NYC-WTC_000033814
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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