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\l\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 2 1-Monolinoleoylglycerol trimet Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T.
35.58 0.82 ug/1 99702 Perylene-dl2 37.12
Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 1 -Monolinoleoylglycerol trimethylsi 498 C27H54O4Si2 054284-45-6 36 2 1,1,1,5, 77, 7,7-Heptamethyl-3 ,3-bis (t 444 C13H40O5Si6 038147-00-1 12 3 Silana ne, N-[2,6-dimethyl-4- [(tri 281 C14H27NOSi2 072088-09-6 11 4 3-Trim thylsilyloxystearic acid, tr 444 C24H5203Si2 000000-00-0 9 Abundance Scan 3326 (35.578 min): 28157.D (-) m/z 73.00 100.00%
J 73 147
5000 221
‘I r' 1 I 11 ' ' I ' ' TTPfTfir 281 355 327 I 401 429 35.20 35.40 35.60 35.80 36.00 41 112 T—f -- । 185,4 1253. -4—1 + . . | , — m/z 147.00 69.78% m/z—> 50 100 150 200 250 300 350 400 450 Abundance #58871: 1-Monolinoleoylglycerol trimethylsilyl ether 73
207 5000 147 TI—E—E—mr TIPTIT......... f 35 20 35.40 35.60 35 80 36.00 34 103 m/z 221.05 44.76% — 281 1 1 1 I ■ 1 r1 _... 395 —I———m—TTTTT 482 mlz-> 50 100 150 200 250 300 350 400 450 Abundance #56714:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)t 73 "T 11 TT 147 35 20 35,40 35,60 35.80 36.00 267 m/z 281.00 25.35% 5000 355 429 45 207
m/z-> LX 50 100 150 ----- 200 250 —
300 350 400 450 Abundance #39584: Silanamine, N-(2,6-dimethyl-4-((trimethyisilyljoxy) TT T it 73 35 20 35.40 35.60 35.80 36.00 281 m/z 354.95 22.30% 209 5000 45 251 179 125 147
m/z—> --------- I 50 100 150 4 200 250 300 350 400 450 TT FT 35.20 35.40 35.60 35.80 36.00
28157.D GCMS1126.M Wed NOV 28 09:13:44 2001 Page 2
NYC-WTC_000033808
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.
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.
Page similarity is temporarily unavailable or this page has no indexed vector.
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