NYC-WTC_000060438
Laboratory report showing GC/MS blank analysis for Method 508 compounds with non-detectable levels.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Blank quality control GCMS analysis of sample AE05515 conducted April 4, 2002, showing below-detection-limit results for sixteen organic compounds.
NYC-WTC_000059210–000059217Folder label: “GCMS X 3/11/02 A 4/1/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\HPCHEM\1\DATA\APRO102\LB.D Vial: 3 Acq On 1 Apr 2002 1:11 pm Operator: Sample gc/ms scan 3/11 Inst : GC/MS 209 . Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title . : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 N-Ethylformamide Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
8.13 3.80 ug/1 598229 1,4-Dichlorobenzene-d4 12.25
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 N-EthylyEormamide 73 C3H7NO 000627-45-2 9 2 Silane/ tetramethyl- 88 C4H12Si 000075-76-3 9 3 1,3-Dwxolane, 2-methyl- 88 C4H8O2 000497-26-7 5 4 Ether* 74 C4H10O _______ 000060-29-7 4 Abundance Scan 336 (8.128 min); LB.D (-) m/z 72.95 ioo.00% 7|3
5000 43
87 7.80 8.00 8.20 8.40 3^ I, I 50 5,5. , 67, I •, 103 m/z 43.05 ^^26.67% 10 20 30 40 50 60 70 80 90 100 110 Abundance #29i N-Ethyiformamide I 30 73
5000 58 7.80 8.00 8.20 8.40 ¥ m/z 41.05 9.95% i ,IJ,, ' !m/z-> 10 20 30 40 50 60 70 80 90 ' ' 100 110 Abundance #645: Silane, tetrarnethvl- i 73
7.80 8.00 8.20 8.40 5000 m/z 45. 9.59%
45 I 31 I 55 : 88 m/z-> 'io 20 30 '4'0' ’ ' ' 'eo 70 80 90 100 110 Abundance #62902: 1.3-Dioxolane, 2-methyl- ! 7|3 7.80 8.00 8.20 8.40 ■i m/z ■ 71.00 6.53% 5000 43
I
'm/z~> 27 ............................ ..................... I 10 20 30 40 50 58
60 J. 70 80 87 i 90 I 100 110 7^0 8^ 8,20 IV 8.40
LB.D GCMS0403.M Thu Apr 04 14:00:42 2002 Page 1
NYC-WTC_000059216
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000060438
Laboratory report showing GC/MS blank analysis for Method 508 compounds with non-detectable levels.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058352
Laboratory blank analysis report for sample AE04590 conducted March 29, 2002, showing compounds below detection limits.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058591
Laboratory report showing GCMS blank analysis for volatile organic compounds on April 2, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
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 · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058163
Laboratory blank analysis report showing all target compounds detected below the method detection limit on March 29, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010278
Laboratory record documenting GCMS blank analysis results for sample AE01960 on March 21, 2002.
1 shared topics · similarity 0.997
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 0.997
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 0.997
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 0.996
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_000038122
Gas chromatography-mass spectrometry blank quality control analysis showing results below method detection limits for organic contaminants tested February 27, 2002.
1 shared topics · similarity 0.995
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 0.995
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000059267
Laboratory record of gas chromatography mass spectrometry analysis for unknown compounds and surrogates on April 9, 2002.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059555
Laboratory report documenting GCMS analysis of sample AE05745 conducted on April 11, 2002, including surrogate recovery data.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059296
Laboratory record of gas chromatography mass spectrometry analysis for unknown compounds and surrogates on April 10, 2002.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058426
Gas chromatography-mass spectrometry analysis of sample AE04595 with unknown compound detection and qualifier notes, completed April 2, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059239
Laboratory record of gas chromatography mass spectrometry analysis for unknown compounds and surrogates on April 9, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011520
Laboratory report documenting GCMS analysis of environmental sample AE03382 conducted on March 29, 2002.
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_000059207
Administrative record from the Department of Environmental Protection regarding World Trade Center activities in early 2002.
Filed in the same folder
NYC-WTC_000059208
A blank or nearly blank page from the Department of Environmental Protection archive regarding WTC environmental records.
Filed in the same folder
NYC-WTC_000059218
Calibration data for gas chromatography mass spectrometry analysis of volatile organic compounds dated April 4, 2002.
Filed in the same folder
NYC-WTC_000059222
Reference standard analysis report for volatile organic compounds using GCMS on April 4, 2002.
Filed in the same folder
NYC-WTC_000059230
Laboratory record of gas chromatography mass spectrometry analysis for unknown compounds and surrogates on April 9, 2002.
Filed in the same folder