NYC-WTC_000044001
Laboratory report for sample AE09972 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗Laboratory report documenting GCMS analysis of sample AE09333 conducted on May 8, 2002.
NYC-WTC_000044628–000044649Folder label: “GCMS X 4/29/02 A 5/3/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document ulprary bearcil toIpour KEpOL L
Data File C:\MSDCHEM\1\DATA\050202\9333.D Vial: 11 Acq On 2 May 2002 7:48 pm Operator: Mclean Sample 4/29 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 4 3-Penten-2-one, 4-methyl- Concentration Rank 7
R.T. EstConc Area Relative to ISTD R.T.
5.02 0.30 ug/L 229047 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 3 -Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 78 2 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 78 3 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 78 4 3 -Hexen-2 -one 98 C6H10O 000763-93-9 64 Abundance Scan 330 (5.018 min): 9333. D (-325) (-) m/z 83.10 100.00% 55 83
5000 98 43 i ■ 1 1 1 i 1 ' 1 1 i ' 1 " 1 i 1 1 1 1 i ■ ■
3& 50 88 4.60 4.80 5.00 5.20 5.40
m/z-> 11" " i11" i1 ‘'1 rH + 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 । ’1" । l1 " ' I 1 IIII m/z 55.10 87.45% Abundance • #111648: 3-Penten-2-one, 4-methyl- 55 83 43
5000 29 | I I i । | I I r i j i 1 i i | I i i i | i i
98 4.60 4.80 5.00 5.20 5.40 m/z 98.10 47.31%
m/z-> — 2++ 3E + 50 । 11111111 i +92— , 62 67 72 77 11I1II11111 TTTumguutt 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 1r"'i"
Abundance #116425: 3-Penten-2-one, 4-methyl- 55 8(3
4.60 4.80 5.00 5.20 5.40 5000 43 m/ z 43.10 32.39%
wdl 98 29
3& 50 hyMAMwv m/z-> TTTTTHT 1111111111111. 111 62 67 — | i I r I । | । 1I I I I | i 1 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 11•■i" 77 +89 Abundance #116450: 3-Penten-2-one, 4-methyl- I I I I I I III I I I I I I I I I J I I I I
55 83 4.60 4.80 5.00 5.20 5.40 m/z 39.10 29.60% 98 43 5000 28
_____ 36 50 । TIUTTITTTH TTH+ 4 I I I I I I 11 11 ! , 67 I I r I I ’ I I I I I I I I I I I I I I I I I I I ' I +1WPPTPT 11111 ■ i " 1 I I I I I I I > I- I II I I fl I I [ > I
m/z-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 4.60 4.80 5.00 5.20 5.40
9333.D 050102.M Mon May 06 13:55:54 2002 Page 8
NYC-WTC_000044636
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000044001
Laboratory report for sample AE09972 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044071
Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045020
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10202 on May 10, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045643
Laboratory report detailing GC/MS analysis of sample AE10609 including surrogate recovery data in May 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043976
Laboratory report for sample AE09970 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044025
Laboratory report for sample AE09973 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043938
Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043958
Laboratory report for sample AE09969 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023925
Laboratory report showing GC/MS analysis of sample AE10982 with surrogate recovery data for 2,4-DDD.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014004
GCMS analysis results for sample AE12287 dated June 4, 2002, documenting unknown compounds and surrogate recovery.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024014
Laboratory report showing GC/MS analysis of sample AE10985 with surrogate recovery data for 2,4-DDD.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022763
GCMS analytical report for environmental sample AE09331 including surrogate compound data from May 15, 2002.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000023409
Laboratory report showing non-detect results for volatile organic compounds in a method blank sample AE10137 analyzed on May 14, 2002.
Similarity score 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044657
Laboratory report documenting GCMS analysis of sample AE09334 conducted on May 8, 2002.
Similarity score 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044672
Laboratory report documenting GCMS analysis of sample AE09335 conducted on May 8, 2002.
Similarity score 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025196
Laboratory report showing GCMS analysis results for sample AE11410 conducted on May 22, 2002.
Similarity score 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014004
GCMS analysis results for sample AE12287 dated June 4, 2002, documenting unknown compounds and surrogate recovery.
Similarity score 0.979 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014054
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12472 conducted on June 4, 2002.
Similarity score 0.979 (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_000044378
Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 29 and May 3, 2002.
Filed in the same folder
NYC-WTC_000044379
Fragment of a document containing unreadable text and partial headers from a DEP laboratory procedure.
Filed in the same folder
NYC-WTC_000044381
Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.
Filed in the same folder
NYC-WTC_000044396
Calibration data for GCMS analysis of volatile organic compounds recorded on May 7, 2002.
Filed in the same folder
NYC-WTC_000044397
Calibration data for GCMS analysis of volatile organic compounds recorded on May 6, 2002.
Filed in the same folder