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\NOV2601\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 5 Trisiloxane, 1,1,1,5,5,5-hexam Concentration Rank 4
R.T. EstConc Area Relative to ISTD R.T.
38.03 1.13 ug/1 219627 Perylene-dl2 37.12
Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 12 2 3,6-Eaoxa-2,4,5,7-tetrasilaoctane, 294 C10H30O2Si4 004342-25-0 12 3 Pyr ene, 4-decyl-l, 2,3,3a,5a,6,7,8-0 350 C26H38 055493-75-9 10 4 4H- Pyrido[1,2-a]pyrimidine-3-carbox 221 C11H15N3O2 064399-29-7 10 Abundance Scan 3593 (38.027 min): LBA.D (-) m/z 147.00 100.00% 73 147 — 221 355 281 5000
m/z-> Abundance 36 . i , |i 11 I ' 50 97 117 ALLi . 100 150 | 191 — 253 200 । 3 I. 1 1 325 250 44 L—.IL 300 350 #52459: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet 401 400 429 17 37.60 37.80 38.00 38.20 38.40
73 147 281 5000 37.60 37.80 38.00 38.20 38.40 369 m/z 221.0578.30% 207 249 , mlz-> ■ i" 4 50 ,.... ......... — , 100 150 . [. L. ............. +4 200 250 —3 300 350 400 Abundance #41682:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 147 221 l ' 1 ' ' i ■ ‘ i11.11 i'’’n 73 37.60 37.80 38.00 38.20 38.40 5000 m/z 354.95 60.35% — 191 117 279 | | m/z—> “T" 50 100 150 200 250 —.. A 300 350 T..’..!..'. T 400 Abundance #49342: Pyrene, 4-decyl-1,2,3,3a,5a,6,7,8-octahydro- 29 221 37.60 37.80 38.00 38.20 38.40 m/z 207.00 58.49% /— 5000
m/z—> T-J— 50 r—j—r—r—r—r-j—l 100 150 M200 —290................ 250 300 350 400 T T T 37.60 37.80 38.00 38.20 38.40
LBA.D GCMS1126.M Tue NOV 27 12:44:21 2001 Page 5
NYC-WTC_000033717
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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.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.992
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.
1 shared topics · similarity 0.992
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
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034958
Calibration report showing recovery percentages for various chemical standards used in the GCMS analysis.
1 shared non-person entities · 1 shared topics · similarity 0.991
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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.
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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
NYC-WTC_000033731
Laboratory report detailing GCMS analysis of sample AD28145 conducted on November 29, 2001, noting unknown compounds.
Filed in the same folder