NYC-WTC_000034235
Laboratory commentary noting moderate recovery rates and absence of unusual compounds in sample AD28273.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Document / 22 pages
GCMS comments for sample AD28595, Dec 2001
Machine-extracted title · confidence 100%Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28595 analyzed in early December 2001.
NYC-WTC_000034759–000034780Folder label: “GCMS X 11/23/01 A 11/29/01”
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OCR text
OCR status: junk · source: pdftotext
NYC 9/11 Public Portal Document
Library Searched : C:\DATABASE\nbs75k.1 Quality : 83 ID : 2-Propanol, 1-(2-methoxy-l-methylethoxy)- Abundance Scan 686 (11.343 min): 28594.D 59 9000
8000 7000 6000 5000 45 4000 103 3000 73 2000
1000 39 , I > 51 . | ... 84 89 1. 130 ! 04 TIUTTUTT ... ।.... |... > p 11 i mpr HTTTTTTTTTTTTTITWTTTWTTTTTTTTTTTTT m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120125130135140145150155 Abundance #9238: 2-Propanol, 1-(2-methoxy-1-methylethoxy)- 59 9000 8000 7000
6000
5000 4000 45 103 3000 73 31 2000
1000 15 i 30 .................. 26, _ . . ........... 53 । | ........... 85 90_________ I 1 117 130_____________ 149 ! 0 T’T .. ।.... 11.11111 > i j >1111 11. p. H TT TT TTTTT 111111 > 11111111 11 n । r in 11111111111111111111111111111111111111111 ■ 11 miz—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115120125130135140145150 155
NYC-WTC_000034769
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NYC-WTC_000034769Source: NYC Law Department, mirrored locally
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Same-box records
NYC-WTC_000036079
Laboratory report showing GCMS scan results for sample AD29135 including detection of unknown compounds and surrogates.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035831
Lab notes for sample AD29141 indicate detection of bis(2-Ethylhexyl)phthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035853
Lab notes for sample AD29139 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036137
Laboratory report noting GCMS scan results for sample AD29233 with phthalates and nonadecanol detected.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036311
Laboratory analysis report for sample AD29285 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036114
Laboratory report noting GCMS scan results for sample AD29230 with one compound recovery outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035808
Laboratory analysis notes for sample AD29023 indicating no unusual compounds detected in GCMS scan; one of forty-three compounds in quality control standard outside acceptance rang
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035640
Lab report noting bis(2-Ethylhexyl)phthalate detection, recovery issues, and low pH.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036325
Laboratory GCMS analysis report for sample AD29229 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036220
Blank sample results showing non-detect levels for target compounds during December 2001 laboratory testing.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034908
Repeat gas chromatography-mass spectrometry analysis of sample AD28596 after re-extraction, confirming bis(2-Ethylhexyl)phthalate at 0.36 ug/L with improved standard recovery of 89
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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NYC-WTC_000034718
Document with unreadable text from DEP Box 22, folder GCMS X 11/23/01 A 11/29/01.
Filed in the same folder
NYC-WTC_000034719
Gas chromatography-mass spectrometry laboratory analytical data sheet with sample identification numbers, volumetric measurements, drip rates, and final analysis values from…
Filed in the same folder
NYC-WTC_000034722
Gas chromatography-mass spectrometry reference report listing concentrations of volatile organic compounds for sample AD28593.
Filed in the same folder
NYC-WTC_000034727
Calibration results for gas chromatography-mass spectrometry analysis showing detector responses for standard compounds.
Filed in the same folder
NYC-WTC_000034731
Instrument blank report confirming absence of target analytes in the analytical system prior to sample testing.
Filed in the same folder