NYC-WTC_000044338
Laboratory comment noting low recovery in initial GCMS scan of sample AE08264, resulting in re-extraction.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Laboratory report documenting GCMS analysis of sample AE09565 conducted on May 6, 2002.
NYC-WTC_000044349–000044359Folder label: “GCMS X 4/23/02 A 4/26/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\HPCHEM\1\DATA\MAYO1O2\9565.D Vial: 4 Acq On 1 May 2002 10:51 am Operator: Sample gc/ms scan 4/23 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\GCMS0501.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 2
R.T. EstConc Area Relative to ISTD R.T.
8.19 16.74 ug/1 879359 1,4-Dichlorobenzene-d4 12.21
Hit# Of 5 'entative ID MW MolForm CAS# Qual
1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 2 CH2=CHCHZC(O)OCH3 100 C5H802 003724-55-8 9 3 2,3-Butanedione, monooxime 101 C4H7NO2 000057-71-6 5 4 Morpholine, 4-methyl- 101 C5H11NO 000109-02-4 5 Abundance Scan 343 (8.185 min): 9565.D (-) m/ z 43.05 100.00% 43
5000 59
I I I I I I I I > I l—I I I I •" I I I I I I i 101 780 8.00 8.20 8.40 8.60 30| 5311 69 1 i 1 ' 1 •i 1 83 ' 1 i .0 m/z 59.10 43.84% m/z-> 10 20 30 40 50160 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 40
----- 5000 59 7.80 8.00 8.20 8.40 8.60 m/z 58.10 15.26% 27 101 49 — 83 1 ■ । 1 1 1 1 । m/z->_____ 10 20 1— 30 —40 50 । I ■ > 1 ■ । ■ ■ - - । ■' ■ ■ । I । 60 70 80 90 - 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 43 7.80 8.00 8.20 8.40 8.60 5000- m/z 101.15 13.52%
m/z-> 10 20 30 38 4 40 50 —.58—72 60 70 80 10* 90 100 100 110 Abundance #1607: 2,3-Butanedione, monooxime ■ । ' 1 ■ ' । 1 1 1 1 i ■ 1n"i ■ 1 1 1 i 1 1 43 7.80 8.00 8.20 8.40 8.60 m/z 41.05 7.32%
5000
15 101 ....... 1......... 30 38 1 ■ i 1 1 ■ 1 i ’ ' 1 1 1 1 1 1 1 1 1 51 58 ' I1-' 1 1 I ' ——————— 1 I I I I I I I I I I I I I I I I I I I ' I■ I ■I ■ I
m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40 8.60
9565.D GCMS0501.M Thu May 02 05:30:40 2002 Page 1
NYC-WTC_000044356
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_000044338
Laboratory comment noting low recovery in initial GCMS scan of sample AE08264, resulting in re-extraction.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044836
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10165 on May 10, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044804
Laboratory report documenting GCMS analysis of sample AE10159 conducted on May 10, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044815
Laboratory report documenting GCMS analysis of sample AE10161 conducted on May 10, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045386
GCMS analytical report for sample AE10522 showing unknown compounds and surrogate recovery data from May 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043291
GCMS results for sample AE09521 showing surrogate recovery and unknown compounds dated May 6, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044268
Laboratory report documenting GCMS analysis of sample AE07484 conducted on May 6, 2002, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043310
GCMS results for sample AE09524 showing surrogate recovery and unknown compounds dated May 6, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043352
GCMS results for sample AE07001 showing surrogate recovery and unknown compounds dated April 29, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023316
Laboratory report showing GC/MS analysis results for sample AE09578 including surrogate recovery data on May 16, 2002.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023811
Laboratory report of GCMS analysis for sample AE09676 conducted on May 23, 2002, showing surrogate recovery data.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005473
Laboratory report listing unknown compounds and surrogate recovery data for sample AE02711.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000044369
Laboratory report documenting GCMS analysis of sample AE09567 conducted on May 6, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023811
Laboratory report of GCMS analysis for sample AE09676 conducted on May 23, 2002, showing surrogate recovery data.
Similarity score 0.993 (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 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023768
Instrument log and analysis summary for GCMS testing of sample AE09673 conducted on May 23, 2002.
Similarity score 0.991 (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 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044338
Laboratory comment noting low recovery in initial GCMS scan of sample AE08264, resulting in re-extraction.
Similarity score 0.990 (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_000044239
Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 23 and April 26, 2002.
Filed in the same folder
NYC-WTC_000044240
Fragmented page from a GCMS record series dated between April 23 and April 26, 2002, likely containing analytical data.
Filed in the same folder
NYC-WTC_000044245
Laboratory report of a GCMS blank analysis (Sample AE07484) conducted on May 2, 2002, checking for background contamination.
Filed in the same folder
NYC-WTC_000044253
Calibration report listing quantified values for various organic compounds including nitrosamines and chlorobenzenes used for instrument verification.
Filed in the same folder
NYC-WTC_000044257
Calibration record for GCMS analysis using standard compounds, generated on April 26, 2002, to ensure instrument accuracy.
Filed in the same folder