Analytical commentary for sample AD28155 dated November 29, 2001, noting detection of bis(2-Ethylhexyl)phthalate and low recovery rates.
NYC-WTC_000033834–000033846Folder 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\28155.D Vials 11 Acq On : 26 NOV 2001 8:29 pm 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 1,1,1,5,7,7,7-Heptamethyl-3,3- Concentration Rank 7
R.T. EstConc Area Relative to ISTD R.T.
36.72 0.45 ug/1 68099 Perylene-dl2 37.11
Hit# of 5 Tentative ID MW MolForm CAS# Qual
r 1 1,1.1,5,7,7,7-Heptamethyl-3,3-bis(t 444 C13H40O5Si6 038147-00-1 23 V 2 Mercaptoacetic acid, bis (trimethyls 236 C8H20O2SSi2 006398-62-5 12 . 3 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 12 VJ 4 Silanamine, N-[2,6-dimethyl-4-[ (tri 281 C14H27NOSi2 072088-09-6 9 Abundance Scan 3450 (36.719 min): 28155. D (-) m/z 72.95 100.00% 73 147
5000 221 281 355 I ' TTT
191 tpmm A h m/z 147.00 429 36.40 36.60 36.80 37.00 41 I 105 mt T 70.86%
1 m/z-> 40 60 80 100120140160180200220240260280300320340360380400420 Abundance #56714:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)t 73 147 A 4,-AA. , 4 A N 5000 267 36.40 36.60 36.80 37.00 355 429 207 m/z 221.05 42.27% 45
1 r ■■ ■ i i" " i T m/z-> 40 60 80 100120140160180200220240260280300320340360380400420 T
Abundance #30949: Mercaptoacetic acid, bis(trimethylsilyl)- 70 147 A i ■ ■ ■ ■ i 36 40 36 60 36.80 37.00 5000 m/z 281.00 26.01% / 221
Wz-> .4 45 104 r ■■ ■ i1"' i" "i 193 md....— 111 ■ 111111111 ■ > ■ । a ■ > ■ । ■ ■ ■, । ■ i ■ ■ | ■ i..,.... ।....,.... ।. 40 60 80 100120140160180200220240260280300320340360380400420 Abundance #74103: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet T T 70 36.40 36.60 36.80 37.00 147 m/z 355.05 22.87%
5000 281 45 369
m/z-> A 117 207 TTITCTTNE"‘‘TT TTTTTT 249 pmTTTTTTTT 40 60 80 100120140160180200220240260280300320340360380400420 ■ ■ i ■ ■ ' ' 36.40 36.60 36.80 37.00 i ■ J 'I ■ ■ ■ ■ i ' ■ T
28155.D GCMS1126.M Tue NOV 27 12:58:13 2001 Page 2
NYC-WTC_000033841
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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 0.998
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_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 0.998
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 0.997
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 0.997
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_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_000035700
Laboratory notes stating the GCMS scan of sample AD28901 revealed no unusual compounds.
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_000034198
Laboratory report detailing GCMS analysis of sample AD28263 conducted between November 21 and 26, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035700
Laboratory notes stating the GCMS scan of sample AD28901 revealed no unusual compounds.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009629
Calibration table page listing internal standards and response factors for GCMS analysis.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069659
Laboratory report documenting GCMS analysis of sample AD25461 conducted on November 26, 2001, noting unknown compounds.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034331
Laboratory report documenting GCMS analysis of sample AD28427 conducted between November 21 and 26, 2001.
Similarity score 0.994 (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 0.994 (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