NYC-WTC_000017913
Laboratory report documenting GCMS analysis of sample AD30490 conducted on January 24, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Document / 9 pages
GCMS analysis results for sample AD30472, Jan 2002
Machine-extracted title · confidence 100%Laboratory report documenting GCMS analysis of sample AD30472 conducted on January 24, 2002.
NYC-WTC_000017931–000017939Folder label: “GCMS X 12/14/01 A 12/31/01”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\DEC3101\30472.D Vial: 7 Acq On : 31 Dec 2001 4:48 pm Operator: 209 GALOS Sample : gems scan 12/14 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 1,3-Dioxolane, 2-methyl- Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
7.61 4.21 ug/1 1173820 1,4-Dichlorobenzene-d4 11.68
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 1,3-Dioxolane, 2-methyl- 88 C4H8O2 000497-26-7 9 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 3-Pentanol, 3-methyl- 102 C6H14O 000077-74-7 9 4 Butane, 2-methoxy-2-methyl- Abundance / Scan 279 (7.608 min): 30472.D (-) 102 C6H14O 000994-05-8 9 m/z 73.00 1 00.00% 73
5000 43 j » i i. i j » i i i | » « « » j i ! ! I } I I* 7.20 7.40 7.60 7.80 8.00 33 |, | 50 55, ,61 67, 1 ,' ■ ■ i 1 1 87 103 ■ 1 i • • ' । i 1'' 1 1 I 1 m/z 43.05 33.28% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902:1,3-Dioxolane, 2-methyl- 73
5000 43 - T-ri-r-r 7.20 7.40 7.60 7.80 8.00 I 58 m/z 45.0, 12.15% I 27 87 i ---------- tr r PT ... I,.. J....... ' | 1 1 ‘ 1 I ' 4 । , । I ■>» । -J I I | | | 1 | 1 | | miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #845. Silane tetramethyl- 73 । . . . . ] r-n . । i i i i । rrrTfi i 7.20 7.40 7.60 7.80 8.00 5000 m/z 41.00 11.95%
45 15 31 55 88 I’I’I • • • > I m/z-> Abundance 10 • • l ■ ■ ■ * i • ■ ■ ■ i ■ • ■ ■ i ■ > ■ * j *—f 20 30 40 50 60 #63572:3-Pentanol, 3-methyl- 70 ‘I*‘‘I‘‘**I 11 1 1 l_| 80 90 100 110 73 7.20 7 40 7.60 7.80 8.00 m/z 71.00 6.96% 5000- 55 45 87 27 | TI1k——n————n—n—————n—/—m9—aT I•* i■i'■t ...i।।ii।।। i 1 1 1 ' i 1 ' 1 1 i 1 11'1T‘i । ■ । miz-> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00
30472.D GCMS1126.M Wed Jan 16 08:23:50 2002 Page 1
NYC-WTC_000017938
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000017938Source: NYC Law Department, mirrored locally
Related records
Browse subjects →Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
Same-box 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_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 0.999
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_000017290
Laboratory report documenting GCMS analysis of sample AD30631 conducted on January 22, 2002, showing detection of unknown compounds and surrogates.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017903
Laboratory report documenting GCMS analysis of sample AD30470 conducted on January 24, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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_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_000049814
Laboratory report showing GCMS analysis of sample AD29286 including unknown compounds and surrogate recovery data.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049861
Laboratory report showing GCMS analysis of sample AD29465 including unknown compounds and surrogate recovery data.
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 ↗More like this page
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000018248
Laboratory report documenting GCMS analysis of sample AD30984 conducted on January 25, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018588
Laboratory report showing non-detect results for volatile organic compounds in a GC/MS blank sample.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017748
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30357 conducted on January 10, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016260
GCMS analysis report for sample AD31403 showing surrogate recovery and unknown compounds from February 7, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019004
GCMS analysis report for sample AD31130 showing detection of unknown compounds and surrogate recovery data from February 11, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017069
Laboratory report detailing GCMS analysis of sample AD30350 including DDD surrogates on January 18, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Others also read
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