Laboratory notes indicating re-extraction is required due to low recovery and potential contamination.
NYC-WTC_000035745–000035754Folder label: “GCMS X 11/28/01 A 12/7/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
• Comments for Sample AD28861 - Analysis $GCMS
Westchester Dept, of Labs & Research User: Vinci, David L Date: 12-17-2001 Time: 09:55:53
The GCMS scan, from 35 to 550 amu, does not reveal the presence of unusual compounds. Present in this sample is Decanedioic acid bis(2-Ethylhexyl) ester at an estimated level of 13 ug/L; however its presence is probably due to laboratory contamination since it was also present in the Laboratory Blank. The recovery for the Surrogate Standard in this sample was below its acceptance range. This sample will be re-extracted and re-analyzed.
NYC-WTC_000035745
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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_000035717
Laboratory notes identifying potential laboratory contamination by specific esters in sample AD28899.
1 shared topics · Same agency, volume and box · similarity 0.999
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 0.998
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_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 0.997
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_000035967
Laboratory report documenting GCMS scan results for sample AD29138 with no unusual compounds detected.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035505
Gas chromatography-mass spectrometry analysis results for sample AD28859 showing bis(2-Ethylhexyl)phthalate presence at 0.81 ug/L with quality control notes on LCS standard recover
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036425
Laboratory report documenting GCMS analysis of sample AD29457 conducted on January 4, 2002, showing unknown compounds and surrogates.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033874
Laboratory report detailing GCMS scan results and recovery rates for environmental sample AD28147 analyzed in December 2001.
1 shared topics · 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_000035931
Laboratory report noting detection of Decanedioic acid bis(2-Ethylhexyl) ester in sample AD29027 on December 18, 2001.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018849
GCMS report for sample AD28861 showing detection of unknown compounds and surrogate recovery data.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035717
Laboratory notes identifying potential laboratory contamination by specific esters in sample AD28899.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035755
Lab report noting bis(2-Ethylhexyl) Sebacate detection and potential laboratory contamination in a water sample.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037104
Laboratory report of GCMS analysis for sample AD26320 conducted on December 4, 2001.
Similarity score 0.982 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035651
Lab report noting bis(2-Ethylhexyl)phthalate detection and recovery issues in a water sample.
Similarity score 0.979 (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