NYC-WTC_000017922
Laboratory report documenting GCMS analysis of sample AD30471 conducted on January 24, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Laboratory report documenting GCMS analysis of sample AD30490 conducted on January 24, 2002.
NYC-WTC_000017913–000017921Folder label: “GCMS X 12/14/01 A 12/31/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\DEC3101\30490.D Vial: 12 Acq On : 31 Dec 2001 9:40 pm Operator: 209 GALOS Sample : gems scan 12/14fb Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 Silane, tetramethyl- Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
7.61 4.15 ug/1 1122500 1,4-Dichlorobenzene-d4 11.68
Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 2 Butane, 2-methoxy-2-methyl- 102 C6H140 000994-05-8 9 3 3-Pentanol, 3-methyl- 102 C6H140 000077-74-7 9 4 N-Ethylformamide 73 C3H7NO 000627-45-2 5 Abundance 7 scan 280 (7.612 min): 30490.D (-) m/z 73.0.0 100.00% ' 73
। 5000 43 I ' ' ' ' I ' ' 1 ‘ I ‘ ‘ 1 1 1 I ‘ • 87 103 7.20 7.40 7.60 7.80 8.00 | 50 55 50 67, t , 1’4 I | t ‘ I f‘t { T I' J ‘ I | t 11—0—9——————— m/z 43.0,5 31.46% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #845: Silane, tetramethyl- 73 %
5000 i ■ ■ ■ ■ i ' • • ■ i ‘ ■ i • 1 ■ i • ■ 7.20 7.40 7.60 7.80 8.00 45 m/z 45.0,5 11.86% 15 *1**TT-I*114 100008 31 . J 55 1 88 > | > I I I J ! I t I J I J I I J 1 miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1761; Butane, 2-methoxy-2-methyl- 73 i1 1 • 1 i ' 1 • ' i 1 1 ' IId" —it T‘ ■ 7.20 7.40 7.60 7.80 8.00 5000 m/ z 41.0,5 11.82% 55 87 45 27 33 i i, miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63572: 3-Pentanol, 3-methyl- —TTTgTTerm . 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.80% 5000 55 45 87 27 | ! CC re .. i ‘ 1 ■ ‘ i ‘ • 1 ‘ i ‘ 1 ' ' 113 PTl’t 1 miz-> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00
30490.D GCMS1126.M Wed Jan 16 08:28:09 2002 Page 1
NYC-WTC_000017920
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000017922
Laboratory report documenting GCMS analysis of sample AD30471 conducted on January 24, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017949
Laboratory report documenting GCMS analysis of sample AD30483 conducted on January 24, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017931
Laboratory report documenting GCMS analysis of sample AD30472 conducted on January 24, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016755
GCMS analysis of environmental sample AD30116 conducted January 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017940
Laboratory notes regarding GCMS scan results and recovery rates for sample AD30484 dated January 24, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018684
Laboratory report documenting gas chromatography mass spectrometry results for sample AD30908 conducted on January 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049833
Laboratory report showing GCMS analysis of sample AD29343 including unknown compounds and surrogate recovery data.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037188
Gas chromatography-mass spectrometry analysis of sample AD29664 conducted January 9, 2002, reporting unknown compounds and surrogate recovery at 78%.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037126
Laboratory report documenting GCMS analysis of sample AD29792 conducted on January 9, 2002, by the DEP.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049842
Laboratory report showing GCMS analysis of sample AD29344 including unknown compounds and surrogate recovery data.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037207
Gas chromatography-mass spectrometry report documenting analysis of sample AD29791 conducted on January 9, 2002.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049805
Gas chromatography-mass spectrometry analysis report for sample AD29284 showing surrogate compound recovery at 94 percent and unknown compound detection.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000037116
Laboratory report documenting GCMS analysis of sample AD29187 conducted on January 4, 2002, by the DEP.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016951
Laboratory report detailing GCMS analysis of sample AD31277 conducted on February 11, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049762
GCMS analysis report for sample AD31640 conducted on February 11, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037473
Laboratory analysis report for environmental sample AD29965 showing GCMS results and surrogate compound recovery rates.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036559
Laboratory comments on GCMS scan results for sample AD29524 indicating no unusual compounds detected in the mass spectrometry analysis.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016575
Laboratory report for DEP sample AD31464 identifying unknown compounds and surrogate recovery results from February 15, 2002.
Similarity score 0.996 (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_000017879
Single-page document containing GCMS data or metadata associated with the WTC site in December 2001.
Filed in the same folder
NYC-WTC_000017880
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30470 conducted on January 18, 2002.
Filed in the same folder
NYC-WTC_000017883
Document showing calibration results for GCMS analysis of volatile organic compounds on December 31, 2001.
Filed in the same folder
NYC-WTC_000017894
Laboratory report documenting gas chromatography-mass spectrometry reference material analysis conducted on December 31, 2001.
Filed in the same folder
NYC-WTC_000017898
Laboratory report documenting GCMS calibration data for sample AD30470 conducted on December 31, 2001.
Filed in the same folder