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
User. Vinci, David L Westchester Dept, of Labs & Research Date: 11/28/2001 Time: 15:57:04
Sample: AD28143 Analysis: $B1GCMS Blank for GCMS Scan Units: ug Started: 11/28/01 15:56 Ended: 11/28/01 15:56 Analyst: DLV Result source: manual entry Page: 1
Component Name 17 n-Nitrosodimethylamine Viol |Y Result Tt" Qualifier MDL <MDL ' ' ' 2.0 ’ " ............. | 2 ,bis(2-Chloroethyl)ether < MDL 2.0 i 301 ,3-Dichlorobenzene 1,3-Dichlorobenzene < MDL 2.0 4 j 1,4-Dichlorobenzene < MDL 2.0 5 ] 1,2-Dichlorobenzene < MDL 2.0 6 3 2,2'-oxybis(1 -Chloropropane) < MDL 2.0 7 j n-Nitrosodi-n-propylamine < MDL 2.0 8 9 Hexachloroethane < MDL 2.0 9 ‘ Nitrobenzene < MDL 2.0 10.8aS Isophorone < MDL 2.0 11 j bis(2-Chloroethoxy )methane < MDL 2.0 12 1.2,4-Trichlorobenzene < MDL 2.0 13 Naphthalene < MDL 2.0 14‘ Hexachlorobutadiene < MDL 2.0 15 Hexachlorocy clopentadiene < MDL 2.0 16 2-Chloronaphthalene < MDL 2.0 17. Dimethylphthalate < MDL 2.0 18 12,6-Dinitrotoluene < MDL 2.0 19, -Acenaphthylene < MDL 20 20 7 Acenaphthene < MDL 2.0 21 2,4-Dinitrotoluene < MDL 2.0 I 22, Diethylphthalate < MDL 2.0 [ 23-4-Chlorophenyiphenylether < MDL 2.0 24. 1 Fluorene < MDL 2.0 25 • Azobenzene/1,2-Diphenylhydraz < MDL 2.0 26 n-Nitrosodiphenylamine < MDL 2.0 27 {4-Bromopheny Iphenylether < MDL 2.0 Hexachlorobenzene < MDL 2.0 2 Phenanthrene < MDL 2.0 307 Anthracene < MDL 2.0 31 Di-n-butylphthalate < MDL 2.0 32 /Fluoranthene < MDL 2.0 33"| Pyrene < MDL 2.0 34 a Butylbenzylphthalate < MDL 2.0 35 . Benzo(a)anthracene < MDL 2.0 363 bis(2-Ethylhexy l)phthalate < MDL 2.0 37 Chrysene < MDL 2.0 38 M Di-n-octylphthalate < MDL 2.0 39 Benzo(b)fluoranthene < MDL 2.0 40 Benzo(k)fluoranthene < MDL 2.0 / 41 . Benzo(a)pyrene < MDL 2.0 42 Indeno(1,2,3-cd)py rene < MDL 2.0 43Dibenz(a,h)anthracene < MDL 2.0 44 Benzo(g,h,i)perylene < MDL 2.0
NYC-WTC_000033707
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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
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030685
Header page for a gas chromatography-mass spectrometry scan file related to environmental testing at the World Trade Center site.
1 shared topics · Same agency, volume and box · similarity 0.993
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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
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000039222
Laboratory report for sample AE06267 blank showing non-detect levels for volatile organic compounds analyzed on March 20, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035890
Laboratory data sheet recording GCMS analysis of a blank sample for nitrosamines and chlorinated compounds.
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Calibration report showing recovery percentages for various chemical standards used in the GCMS analysis.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035776
Laboratory data sheet recording GCMS analysis of a blank sample for nitrosamines and chlorinated compounds.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035426
Log recording sample volume, drip rates, and addition details for GCMS analysis in December 2001.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035233
Laboratory report showing non-detect levels for various volatile organic compounds in a WTC blank sample.
Similarity score 0.993 (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.
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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.
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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.
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