NYC-WTC_000044349
Laboratory report documenting GCMS analysis of sample AE09565 conducted on May 6, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Laboratory comment noting low recovery in initial GCMS scan of sample AE08264, resulting in re-extraction.
NYC-WTC_000044338–000044348Folder 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\l\DATA\MAY0102\8264.D Vial: 3 Acq On 1 May 2002 9:55 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 1
R.T. EstConc Area Relative to ISTD R.T.
8.18 13.51 ug/1 844828 1,4-Dichlorobenzene-d4 12.21
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 78 2 3-Hydroxy-2-pentanone 102 C5H10O2 003142-66-3 9 3 CH2=CHCH2C(0)OCH3 100 C5H802 003724-55-8 9 4 2,3 -Butanedione , monooxime 101 C4H7NO2 000057-71-6 5 Abundance Scan 342 (8.176 min): 8264.D (-) m/ z 43.05 100.00% 43
5000 59
"kk 101 780 8.00 8.20 8.40 8.60
m/z-> 10 i 1 1 ' 1 i 1 1 1 1 i ■ 1 ■ 1 1 1 20 30 38 I +r —53441 40 50 60 69 70 80 83 il 90 <100J'.. 110 m/ z 59.10 44.47% Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43
5000 I 5 T I I I | I I ! 1 | I I I I | I I r I | l |
59 780 8.00 8.20 8.40 8.60 m/z 58.10 15.11% 27 101
m/z—>10 ......... | 1 ' i 1 ■ ' 1 i ‘ 20 ‘ ' i 30 — 40 +4950—+ 60P-IT 70 80 83 90 1 J1 1 1 ' I "r 100 110 Abundance #1691:3-Hydroxy-2-pentanone 31 59 ................. i । l n । i-1 i i ... _.............. । । । i । • । । । । । । i 780 8.00 8.20 8.40 8.60 5000 m/z 101.15 12.95% 45 15 ..... I,..... II....... 1 T i 11 i । i । ii । । । n [ r 1 ' i 1 ' 66 73 84 102 — — i i j —i i i । i i f r m — । r' i । । । । m/z-> 10 20 30 40 50 60 80 70 90 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 43 780 8.00 8.20 8.40 8.60 m/z 41.05 7.16% N 5000
58 100 m/z--> .......... 39 H i ■ ■ ■ ■ i ■ ■ ■ ■ । 1 ■ ■ । I । 10 20 30 40 ...... 50 160.....7270 100* 80 90 100 110 7.80 8.00 8.20 8.40 8.60
8264.D GCMS0501.M Thu May 02 05:30:23 2002 Page 1
NYC-WTC_000044345
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000044349
Laboratory report documenting GCMS analysis of sample AE09565 conducted on May 6, 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_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_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_000045423
GCMS analytical report for sample AE10607 showing unknown compounds and surrogate recovery data from May 15, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045353
GCMS analytical report for sample AE10519 focusing on unknown compounds from May 21, 2002.
1 shared non-person entities · 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_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_000043472
Laboratory report of GCMS analysis for sample AE07107 including surrogate recovery data from 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 non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049113
Gas chromatography-mass spectrometry analysis of environmental sample AE08761, detecting unknown compounds and 2,4-DDD surrogate at 74 μg, completed April 25, 2002.
1 shared non-person entities · 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.
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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