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 3 Mercaptoacetic acid, bis(trime Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 36.73 1.56 ug/1 189339 Perylene-dl2 37.12 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Mercaptoacetic acid, bis (trimethyls 236 C8H20O2SSi2 006398-62-5 17 2 Silanamine, N-[2,6-dimethyl-4-[(tri 281 C14H27NOSi2 072088-09-6 14 3 3-Isopropoxy-1, 1,1,7,7,7-hexamethyl 576 C18H5207S17 071579-69-6 12 4 Tris( imethylsilyl)borate 278 C9H27BO3Si3 004325-85-3 12 Abundance Scan 3451 (36.726 min): 28157.D(-) m/z 72.95 100.00% 73 147 221 5000
281 355 41 117 191 [ 253, I । 327 [ 401 429 36.40 36.60 36.80 37.00 ■ ■ i r ' 1 TIm TPT — , ( p । , । i4! r i‘| i r'i r |*, i । i 11 ri t । । । । । । । । । । । । । । m/z 147.00 71.81% m/z—> 50 100 150 200 250 300 350 400 450 500 550 Abundance #30949: Mercaptoacetic acid, bis(trimethylsily!)- 73 147
5000 2 i <’ • » । 36.40 36.60 36 80 37.00 221 m/z 221.00 49.76% 45
n/z-> | 50 J 104 100 150 + 193
200 ' 1 I ।। 11 | 1 ii '| ' ' > i।» • . . । 250 300 350 400 450 । । . . . , । 500 550 .
Abundance #39584: Silanamine, N-[2,6-dimethyl-4-[(trimethylsily!)oxy] 1 . _ —
73 281
209 36 40 36.60 36.80 37.00 5000 m/z 281.00 23.18% 45 251
179 ■ 'i ■ ' 120117 • l 1 > » • | ‘ ‘ | ‘ | । । | r-n t y-r-r m/z—> 50 100 150 200 250 300 350 400 450 500 550 Abundance #60503: 3-Isopropoxy-1 ,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73 36.40 36.60 36.80 37.00 ‘ ' m/z 355.05 22.95% 5000 147
221 281 2- ........ .............. ............ —— 415 519 561 T II—’i ’ > ,1TTI0T i TII—T ■ ■ l 1 TAA m/z—> 50 100 150 200 250 300 350 400 450 500 550 36.40 36.60 36.80 37.00
28157.D GCMS1126.M Wed Nov 28 09:13:46 2001 Page 3
NYC-WTC_000033809
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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_000010359
Laboratory report detailing the analytical results for sample AE01968 obtained via GCMS on March 22, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033911
Calibration data sheet recording response factors and retention times for standard compounds used in GCMS TCLP analysis on November 26-27, 2001.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068037
Laboratory report documenting GCMS analysis of sample AD24219 conducted on November 6, 2001, noting unknown compounds.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033886
Technical data sheet recording instrument parameters and calibration details for GCMS Method 508 analysis conducted in November 2001.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034198
Laboratory report detailing GCMS analysis of sample AD28263 conducted between November 21 and 26, 2001.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045919
Gas chromatography-mass spectrometry report for sample AE10779 showing detection of unknown compounds and surrogate recovery.
Similarity score 0.991 (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