Laboratory commentary noting a GCMS scan of sample AD29789 revealed no unusual compounds on January 9, 2002.
NYC-WTC_000037135–000037145Folder label: “GCMS X 12/10/01 A 12/15/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
• Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\DEC1401\29789.D Vial: 21 Acq On : 15.Dec 2001 10:02 pm Operator: 209 GALOS Sample : gcms scan 12/10 a Inst : GC/MS 209 Misc 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 N-Ethylformamide Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T. --------------------------------------------------------------------- 7.59 4.00 ug/1 1094710 1,4-Dichlorobenzene-d4 11.67
Hit# of 5 Tentative ID MW MolForm CAS# Qual ---------------- ---------------------------------------------------- 1 N-Ethylfor mide 73 C3H7NO 000627-45-2 9 2 1,3-Diox ane, 2-(3-bromo-5,5,5-tri 352 C10H16BrCl3O2 000000-00-0 9. 3 Butane 2-methoxy-2-methyl- 102.C6H14O 000994-05-8 9 4 Silari , tetramethyl- 88 C4H12Si 000075-76-3 5 Abundance Scan 278 (7.594 min): 29789.D (-) m/z 73. O0 100.00
5000
87 7.20 7.40 7.60 7.80 8.00 3 55 0 67 103 m/z 43.00 27.68, 10 20 30 40 50 60 70 80 90 100 110 120 dance #292: N-Ethylformamide
73
5000 7.20 7.40 7.60 7.80 8.00 44 58 m/z 41.00 10.42 15 ,
> 10 20 30 40 50 60 70 80 90 100 110 120 dance #49423: 1,3-Dioxolane, 2-(3-brorno-5.5,5-trichloro-2,2-dimes 73
7.20 7.40 7.60 7.80 8.00 5000 m/z 44.90 10.041 45 36 55 67 109 115 > 10 20 30 40 50 60 70 80 90 100. 110 120 dance #1761: Butane, 2-methoxy-2-methyl- 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.471 5000 55 87 27 33 45
} 10 20 30 40 50 60 70 80 90 100 110 120 7.20 7.40 7.60 7.80 8.00
29789.D GCMS1126.M Fri Dec 28 13:24:49 2001 Page 1
NYC-WTC 000037142
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NYC-WTC_000036414
Laboratory report documenting GCMS analysis of sample AD29345 conducted on January 4, 2002, showing unknown compounds and surrogates.
Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035607
Lab report noting bis(2-Ethylhexyl)phthalate detection and recovery issues in a water sample.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036436
Laboratory report documenting GCMS analysis of sample AD29458 conducted on January 4, 2002, showing unknown compounds and surrogates.
Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037352
Gas chromatography-mass spectrometry report documenting analysis of sample AD29926 conducted on January 28, 2002.
Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037279
Gas chromatography-mass spectrometry report documenting analysis of sample AD29963 conducted on January 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035820
Lab notes for sample AD29022 indicate no unusual compounds detected but one LCS compound outside acceptance range.
Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036267
Laboratory analysis report for sample AD29295 conducted on December 28, 2001, including surrogate recovery data.
Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019111
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30312 conducted on January 9, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018026
Laboratory report documenting GCMS analysis of sample AD28968 conducted on January 9, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016726
GCMS analysis of environmental sample AD30112 conducted January 9, 2002.
Similar document embedding; no shared entity or topic indexed. · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019153
Gas chromatography-mass spectrometry analysis report for sample AD30255, completed January 9, 2002, showing 2,4-DDD surrogate compound data.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019100
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30313 conducted on January 9, 2002.
Similar document embedding; no shared entity or topic indexed. · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000036950
Department of Environmental Protection site log sheet for the World Trade Center area dated December 2001.
Filed in the same folder
NYC-WTC_000036951
Fragmented document header from a GCMS file associated with the December 2001 sampling period.
Filed in the same folder
NYC-WTC_000036953
Laboratory report of GCMS blank analysis for sample AD29665 conducted on December 15, 2001.
Filed in the same folder
NYC-WTC_000036963
Laboratory report of GCMS calibration verification for sample AD29665 conducted on December 15, 2001.
Filed in the same folder
NYC-WTC_000036967
Laboratory report of GCMS reference standard analysis for sample AD29665 conducted on December 15, 2001.
Filed in the same folder