Laboratory report of a GCMS blank analysis for sample AD28143 conducted on November 28, 2001, listing various organic compounds below detection limits.
NYC-WTC_000033707–000033722Folder 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\NOV2 601 \LBA. D Vial: 9 Acq On : 26 Nov 2001 6:31 pm Operator: 209 GALOS Sample : 11/20 lab bik 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 7 Trisiloxane, 1,1,1,5,5,5-hexam Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 41.54 1.98 ug/1 383337 Perylene-dl2 37.12 Hit# of Tentative ID MW MolForm CAS# . Qual 1 Trisi loxane,1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 30 2 2,6-D imethyl-3,4-bis(trimethylsilyl 311 C15H29NO2Si2 000000-00-0 12 3 Silanamine, N- [2,6-dimethyl-4- [(tri 281 C14H27NOSi2 072088-09-6 11 4 Trisiloxane, octamethyl- 236 C8H2402Si3 000107-51-7 10 Abundance Scan 3976 (41.543 min): LBA.D (-) m/ z 73.00 100.00% 73 147 221 5000 281 355 —TTTTTTTTTT 191 [ 429 41.20 41.40 41.60 41.80
m/z—> 39 TT HTT - 94 115 234.4.4.. 27.4 40 60 80 100120140160180200220240260280300320340360380400420 401 TIT t m/z 146.95 / 72.18% Abundance #74103: Tirisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet 73 147
5000 —T r i n ry. ITTTTIT 41.20 41.40 41.60 41.80 281 m/z 220.90 58.22%
2 45 369 I , . 117 TTTTTTTTTTTTTT' T 207 249 . , TTTTTTmmmpmmmpm miz-> 40 60 80 10012014016018020022024026-0280300320340360380400420 Abundance #44359: 2,6-Dimethyl-3,4-bis(trimethylsilyloxymethyl)pyridi 221 73 TT , TT1T-T { TUu—uumumTTT 41.20 41.40 41.60 41.80 / 5000 147
178 45 I, mH I " ■' I > । " 11 n. j i > n 111 ‘ l1 *f ’ 11 296 TTTTTTTTTpm mz-> 40 60 80 100120140160180200220240260280300320340360380400420 Abundance #39584: Silanamine, N-[2,6-dimethyl-4-[(trimethylsilyl)oxy] 73 41.20 41.40 41.60 41.80 281 m/z 207.00 24.57% 209 5000 45 251
147 179 125 14/ — TTIUUIIEEOOTTTTTTEETEETTTTCTTETETCUTTTTT TTTTTI TTTT"TTgTng—nn m/z—> 40 60 80 100120140160180200220240260280300320340360380400420 4120 4140 41.60 4180 1
LBA.D GCMS1126.M Tue NOV 27 12:44:25 2001 Page 7
NYC-WTC_000033719
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NYC-WTC_000033886
Technical data sheet recording instrument parameters and calibration details for GCMS Method 508 analysis conducted in November 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
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Header page for a gas chromatography-mass spectrometry scan file related to environmental testing at the World Trade Center site.
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Analytical commentary for sample AD28157 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
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machine-extracted · confidence unavailable · Check page ↗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 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017663
Laboratory report documenting gas chromatography-mass spectrometry blank analysis conducted on December 27, 2001.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019049
Laboratory report documenting gas chromatography-mass spectrometry blank analysis for volatile organic compounds conducted on January 7, 2002.
1 shared topics · similarity 0.993
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 0.992
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 0.992
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 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000047955
GCMS blank analysis report for sample AE08209 listing volatile organic compounds from April 2002.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018420
Laboratory report documenting GCMS blank analysis of sample AD30643 conducted on February 1, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.991
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Calibration report showing recovery percentages for various chemical standards used in the GCMS analysis.
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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_000033723
Calibration record for GCMS instrument 209 using method GCMS1126, dated November 26-28, 2001, listing standard compounds and retention times.
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NYC-WTC_000033726
Laboratory report of a GCMS reference analysis for sample AD28143 conducted on November 28, 2001, listing detected compounds and retention times.
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NYC-WTC_000033731
Laboratory report detailing GCMS analysis of sample AD28145 conducted on November 29, 2001, noting unknown compounds.
Filed in the same folder