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.
NYC-WTC_000069215
Laboratory report documenting GCMS analysis of sample AD25038 conducted on November 19, 2001, noting violations and unknown compounds.
Similarity score 0.995 (not a probability)
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.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011877
Laboratory report documenting GCMS analysis of environmental sample AE04411 conducted on April 3, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017724
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30426 conducted on January 10, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018470
Laboratory report showing GC/MS calibration data for polycyclic aromatic hydrocarbons and deuterated standards.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035195
Laboratory report noting low pH and TurboVap contamination with recovery data for sample AD28689.
Similarity score 0.994 (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