Laboratory notes identifying potential laboratory contamination by specific esters in sample AD28899.
NYC-WTC_000035717–000035726Folder label: “GCMS X 11/28/01 A 12/7/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Tentatively Identified Compound (LSC) summary Operator ID: 209 GALOS Date Acquired: 6 Dec 2001 7:11 pm Data File: C:\HPCHEM\1\DATA\DEC0601\28899.D Name: 11/28 gc/ms scan Mise: Method: C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title: 209 625/TCLP calibration table Library Searched: C:\DATABASE\NBS75K.L
TIC Top Hit name RT EstConc Units Area IntStd ISRT ISArea ISConc N-Ethylformamide 7.61 1.2 ug/1 333949 ISTD01 11.68 5727820 20.0 Decanedioic acid, bi 35.56 1.1 ug/1 311682 ISTD06 37.11 5757090 20.0 28899.D GCMS1126.M Tue Dec 11 16:06:17 2001
NYC-WTC_000035726
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000035755
Lab report noting bis(2-Ethylhexyl) Sebacate detection and potential laboratory contamination in a water sample.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035745
Laboratory notes indicating re-extraction is required due to low recovery and potential contamination.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035843
Lab notes for sample AD29190 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035990
Laboratory report noting detection of bis(2-Ethylhexyl)phthalate in sample AD29028 analyzed on December 18, 2001.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035727
Laboratory notes stating the GCMS scan of sample AD28897 revealed no unusual compounds.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035909
Lab notes for sample AD29024 indicate detection of bis(2-Ethylhexyl)phthalate and no unusual compounds.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035580
GCMS scan results for sample AD28903 dated December 15, 2001, detecting bis(2-Ethylhexyl)phthalate.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037269
Gas chromatography-mass spectrometry report documenting analysis of sample AD29964 conducted on January 28, 2002.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036000
Analysis comments for sample AD29089 reporting no unusual compounds in GCMS scan but noting one compound recovery above acceptance range in LCS Standard.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036255
Laboratory analysis report for sample AD29294 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036278
Laboratory analysis report for sample AD29296 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019070
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30115 conducted on January 9, 2002.
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_000035755
Lab report noting bis(2-Ethylhexyl) Sebacate detection and potential laboratory contamination in a water sample.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035598
Lab report noting no unusual compounds but recovery issues and low pH in a water sample.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019081
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30260 conducted on January 9, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019061
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30085 conducted on January 9, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000031729
DEP lab report dated December 21, 2001, documenting GCMS analysis of sample AD26477 with specific result and MDL values.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035843
Lab notes for sample AD29190 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
Similarity score 0.998 (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_000035662
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000035663
Fragmented document containing method 508 data and sample IDs processed by GCMS in late 2001.
Filed in the same folder
NYC-WTC_000035664
Laboratory data sheet recording GCMS Method 508 analysis of a blank sample for nitrosamines and chlorinated compounds.
Filed in the same folder
NYC-WTC_000035674
Calibration data sheet verifying instrument response for nitrosamines and benzene derivatives.
Filed in the same folder
NYC-WTC_000035678
Document containing calculated reference values for various organic compounds analyzed by GCMS.
Filed in the same folder