NYC-WTC_000023156
Laboratory report showing GCMS analysis of sample AE09576 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Laboratory report showing GCMS analysis of sample AE09577 conducted on May 14, 2002.
NYC-WTC_000023179–000023194Folder label: “GCMS X 5/8/02 A 5/9/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
■•Data File : C: \MSDCHEM\1\DATA\050902\9577.D Vial: 13 Acq On : 10 May 2002 1:04 am Operator: Mclean Sample : 5/8 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 2 2-Butanone, 3-methyl- Concentration Rank 5
R.T. EstConc Area Relative to ISTD R.T.
3.72 0.28 ug/L 235321 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2-Butanone, 3-methyl- 86 C5H10O 000563-80-4 7/ 2 Ethanone, 1-oxiranyl- 86 C4H602 004401-11-0 B 3 2-Butanone, 3-methyl- 86 C5H10O 000563-80-44 4 2-Pentanone 86 C5H10O 000107-87/9 4 __ Abundance Scan 109 (3.720 min): 9577.D (-100) (-) m/z 43.10 100.00% 43
5000 49
59 63 83 86 3.40 3.60 3.80 4.00 0 .......... 379 4 - -i-p-f m/z 49.10 35.78% n/z-> Abundance 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 #109358: 2-Butanone, 3-methyl- 4j3 95 "*uta. 5000 3.40 3.60 3.80 4.00 m/ z 41.10 14.79% 86 • । । 27 32 391 11111111111■ 11111111 ] 11 55 61 — 71 TPTTTTTTTTTTTTTTTT 0 'i" " ।" " i" " i11" i1 m/z-> Abundance 15 20 25 30 35 40 45 50 55 60 65 70 #109927: Ethanone, 1-oxiranyl- 43 75 80 85 90 95
• - i ■ ■ • - i Wa 3.40 3.60 3.80 4.00 5000 m/z 86.00 10.38%
71 86 "Pwwymwbosp miz-> 0 ........... .. +46.50.56.60 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 67 | ■ 11 ■ ■ ■ 11 82 11 ■ i ■ > ■ ■ i ■ ■ ■ ■ 11 । ■1 - ■ i ■ ■
Abundance #109139: 2-Butanone, 3-methyl- 43 3.40 3.60 3.80 4.00 m/z 84.00 8.44%
5000
27 MMbwooyhnutpo—a. 39 86
0 i " " i1 2441131a 36J11 24 , 4750 53 57 62 67 71 75 83 | P | 1 ! ! I | . I l . | > > , > | I’’ I | I I I I | > I I I | I I I I | I I I I | I I I ‘ 111++I*‘‘I‘ ‘‘I****I miz-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00
9577.D 050102.M Mon May 13 11:52:23 2002 Page 5
NYC-WTC_000023188
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_000023156
Laboratory report showing GCMS analysis of sample AE09576 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023454
Laboratory report showing GC/MS analysis results for sample AE10160 including surrogate recovery data on May 14, 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_000023107
Laboratory report showing GCMS analysis of sample AE09574 conducted on May 14, 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_000024100
Laboratory report detailing GCMS analysis of sample AE10897 conducted on May 21, 2002, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024167
Lab notes regarding low recovery in sample AE10206 requiring re-extraction and successful re-analysis on May 21, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023063
Laboratory report detailing gas chromatography mass spectrometry analysis of sample AE09572 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023472
Laboratory report showing GC/MS analysis results for sample AE10163 including surrogate recovery data on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023130
Laboratory report showing GCMS analysis of sample AE09575 conducted on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023517
Laboratory report page showing GC/MS analysis for sample AE10817 including surrogate recovery data on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023871
Laboratory report showing GC/MS analysis of sample AE10901 with surrogate recovery data for 2,4-DDD.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046064
Gas chromatography-mass spectrometry report for sample AE10813 showing detection of unknown compounds and surrogate recovery.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046094
Gas chromatography-mass spectrometry report for sample AE10815 showing detection of unknown compounds and surrogate recovery.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000051948
Gas chromatography-mass spectrometry analysis of sample AE00738 conducted on 1/29/02, detecting unknown compounds and 2,4-DDD surrogate at 99 ug with 5.0 MDL.
Similarity score 0.983 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051877
GCMS analysis log for sample AE00701 showing surrogate recovery and unknown compounds detected on January 29, 2002.
Similarity score 0.983 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050481
Laboratory report for sample AE00167 documenting detection of unknown compounds and surrogate recovery on January 28, 2002.
Similarity score 0.982 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006085
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03245 conducted on March 15, 2002.
Similarity score 0.982 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024041
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in blank sample AE10895.
Similarity score 0.982 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050596
Laboratory report listing unknown compounds and surrogate recovery for sample AE00250 analyzed on January 28, 2002.
Similarity score 0.982 (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_000022961
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000022962
Fragmentary record containing a document identifier and date from the DEP GCMS analysis series.
Filed in the same folder
NYC-WTC_000022965
Laboratory report of a GCMS blank run conducted on May 14, 2002, showing non-detect results for various compounds.
Filed in the same folder
NYC-WTC_000022990
Laboratory report documenting GCMS calibration verification analysis conducted on May 14, 2002.
Filed in the same folder
NYC-WTC_000022994
Laboratory report of GCMS reference standard analysis conducted on May 14, 2002, showing recovery percentages.
Filed in the same folder