NYC-WTC_000023551
Laboratory report showing GC/MS blank analysis for sample AE09683 with non-detect results for volatile organic compounds.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Laboratory report confirming the absence of target compounds in a procedural blank sample to verify analytical cleanliness.
NYC-WTC_000012653–000012660Folder label: “GCMS X 5-20-02 A 5-22-02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\MAY2102\LB.D Vial: 3 Acq On : 22 May 2002 3:22 am Operator: Sample : EXTRACTS/20 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0520.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.
8.11 18.79 ug/1 1113360 1,4-Dichlorobenzene-d4 12.14
Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 56 2 Acetone 58 C3H60 000067-64-1 9 3 CH2=CKCH2C(O)OCH3 100 C5H802 003724-55-8 9 4 2,3 -Butanedione, monooxime 101 C4H7NO2 000057-71-6 7 Abundance / Scan 335 (8.110 min): LB.D (-) m/z 43.00 100.00% 43
5000 59 101 0 7.80 8.00 8.20 8.40 53 , 69 83 , | IT’ 111 IT n [ 1 n 11 < 11 TTTI 1TM7 । n 111 i 1111 u 111 ■ m/z 59.10 35.92% miz—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43
5000 ** 59 7.80 8.00 8.20 8.40 m/z 58.10 17.39% . 101 83 , । 14000/ i ■" ‘ i “ " i “ “ i “1' i “ ‘ ■ i ■" ■ i “11 r “ ‘ '11
mtz-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #62322: Acetone 43 —1—Bnm—ORETTTT 7.80 8.00 8.20 8.40 5000 m/z 101.15 11.51% 58 27 - 1mpmg ThTmETmgmgT miz-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #1448: CH2=CHCH2C(O)OCH3 . 2 ! .... । 43 7.80 8.00 8.20 8.40 m/z 41.05 6.52% 5000
58 72 100 —38+ 11 “ “ i" “ i‘1' • i‘ “11 ■■ TTICmmppu T+t, । r-Z . । । mTmnnt T m/z-> 15 20253035404550556065 70 75 80 85 90 95 100105110 7.80 8.00 8.20 8.40
LB.D GCMS0520.M Wed May 22 13:59:21 2002 Page 1
NYC-WTC_000012659
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NYC-WTC_000023551
Laboratory report showing GC/MS blank analysis for sample AE09683 with non-detect results for volatile organic compounds.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043332
Laboratory report documenting GCMS blank analysis for multiple organic compounds on April 24, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049302
Laboratory report showing blank analysis results for sample AE08839 with various compounds below detection limits.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048881
GCMS blank quality control report for sample AE08684 analyzed on April 22, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045194
Laboratory report showing blank analysis results for volatile organic compounds in sample AE10431 on May 17, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010150
Laboratory report of a GCMS blank run on February 28, 2002, showing non-detect levels for various target compounds.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044245
Laboratory report of a GCMS blank analysis (Sample AE07484) conducted on May 2, 2002, checking for background contamination.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000060438
Laboratory report showing GC/MS blank analysis for Method 508 compounds with non-detectable levels.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048695
Calibration table listing results for various organic compounds including nitrosamines and dichlorobenzenes from April 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000060691
Laboratory report showing GCMS blank analysis results for volatile organic compounds with values below the method detection limit.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011837
Laboratory report of a GCMS blank run for sample AE04388 conducted on March 28, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024956
Laboratory report of a method blank analysis for GCMS testing conducted on May 21, 2002, showing non-detects for various compounds.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000025022
Laboratory report documenting GCMS analysis of sample AE11377 conducted on May 28, 2002, including surrogate recovery data.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012673
Laboratory record from May 30, 2002 documenting the recovery of surrogate standards for sample AE11573.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023745
Instrument log and analysis summary for GCMS testing of sample AE09654 conducted on May 23, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023674
Laboratory report page showing GC/MS analysis for sample AE10062 including surrogate recovery data on May 23, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025031
Laboratory report documenting GCMS analysis of sample AE11378 conducted on May 28, 2002, including surrogate recovery data.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023708
Instrument log and analysis summary for GCMS testing of sample AE10064 conducted on May 23, 2002.
Similarity score 0.997 (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_000012650
DEP document containing gas chromatography-mass spectrometry data from May 2002.
Filed in the same folder
NYC-WTC_000012651
Administrative log entry recording sample identification and processing dates for the GCMS analytical batch.
Filed in the same folder
NYC-WTC_000012661
Laboratory report documenting calibration verification data for target compounds using standard reference materials.
Filed in the same folder
NYC-WTC_000012665
Laboratory report listing analytical responses for target compounds in a reference standard sample used for quality control.
Filed in the same folder
NYC-WTC_000012673
Laboratory record from May 30, 2002 documenting the recovery of surrogate standards for sample AE11573.
Filed in the same folder