Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
NYC-WTC_000033765–000033779Folder 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\28159.D vial: 21 Acq On : 27 NOV 2001 6:15 am Operator: 209 GALOS Sample : 11/20 scan Inst : GC/MS 209 Mise t 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 1 1,4-Dichlorobenzene-d4 Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 11.56 0.51 ug/1 125960 1,4-Dichlorobenzene-d4 11.69 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 1, 4-Dichlorobenzene-d4 150 C6C12D4 003855-82-1 53 2 Benzene-/,2,3,4-d4-, 5,6-dichloro- 150 C6C12D4 002199-69-1 16 3 1,2,5-Trithiepane 152 C4H8S3 006576-93-8 10 4 Benzaldehyde, 2-hydroxy-3-methoxy- 152 C8H803 000148-53-8 10 Abundance Scan 709 (11.556 min): 28159.D (-) m/z 149.90 100.00% 150
5000 115 78 —1T——n—TTTLTETTTT 52 11.20 11.40 11.60 11.80
m/z-> 30 TCT 4444 —++2 44 — 38 40 T .T T103 . TTTTTTr 1— m/z 151.90 . 65.64% TTTTTT 70 80 90 100 110 120 130 140 150 160 50 60 Abundance ' 1, ’ . 150
5000 115 T TTTTn—r 78 11.20 11.40 11.60 11.80 52 m/z 115.00 37.06% 35 87 - '11' <' • । > I' T‘ TT T-rpr-TT-rp-T miz-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #9592: Benzene-1,2,3,4-d4-, 5,6-dichloro- 150
115 11.20 11.40 11.60 11.80 5000 52 78 1 77.95 17.28%
35 87 TTIITTPTTT TII-ICIIII [, ---P L ।, । — 1— m/z-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #10068:1,2,5-Trithiepane TTTTTTTTTPTUTPTTTT 152 11.20 11.40 11.60 11.80_____ m/z 52.00 15.30%
5000 60 87 45 124
' TT TTTT TTfr i T ' i 78 TTTTTTTT , T 96 16 i'1111 1' I' — ————— m/z—> 30 40 50 60 70 80 90 100 11 120 130 140 150 160 11.20 11.40 11.60 11.80
28159.D GCMS1126.M Wed NOV 28 11:15:48 2001 Page 1
NYC-WTC_000033772
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000033800
Analytical commentary for sample AD28157 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 0.998
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_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_000034213
Laboratory report detailing GCMS analysis of sample AD28271 conducted on December 6, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.998
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_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_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 ↗NYC-WTC_000034402
Laboratory report documenting GCMS analysis of sample AD28428 conducted between November 21 and 26, 2001.
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 ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000033965
Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD28230 conducted on January 9, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033780
Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034249
Laboratory report documenting GCMS analysis of sample AD28277 conducted between November 21 and 26, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034366
Laboratory report documenting GCMS analysis of sample AD28468 conducted between November 21 and 26, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068507
Laboratory report documenting GCMS analysis of sample AD24478 conducted on November 14, 2001, identifying unknown compounds.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068198
Laboratory report documenting GCMS analysis of sample AD24293 conducted on November 7, 2001, noting unknown compounds.
Similarity score 0.996 (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