NYC-WTC_000023904
Laboratory report showing GC/MS analysis of sample AE10981 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗GCMS analytical report for environmental sample AE09155 including surrogate compound data from May 15, 2002.
NYC-WTC_000022857–000022878Folder label: “GCMS X 5/8/02 A 5/10/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\050902\9155.D Vial: 20 Acq On : 10 May 2002 7:36 am Operator: Mclean Sample : 5/8 eh 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 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.97 12.92 ug/L 10654600 1,4-Dichlorobenzene-d4 9.93
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2-Pentanone, 4 -hydroxy-4-methyl- 116 C6H1202 000123-42-2 86 2 2-Pentanone, 4 -hydroxy-4 -methyl- 116 C6H1202 000123-42-272 3 2-Pentanone, 4 -hydroxy-4 -methyl- 116 C6H1202 000123-42-2 59 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 36 Abundance Scan 491 (5.964 min): 9155.D (-485) (-) m/z 43.10 100.00% 43
5000 59
101 .__ K___ 560 5.80 6.00 6.20 6.40 37 i, 53 69 83 , | 117 125 01 ............................. 1 ■ I । i 1 1 I । । 1 । । 1 ' 1 ( I1 In । । T i'l f j ■ > ■ ■ । ■ ■ ■ ■ । । ■ l ■ 1 m/z 59.10 36.96% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43
5000 59 5.60 5.80 6.00 6.20 6.40 m/z 58.10 20.70% 15 101
n/z-> Of ■ ■ i 1 10 X20,25131/37,1 30 40 53, TTTTT 50 60 70 80 ............ 83........... j ............................... 90 100 110 120 130 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 13.98%
83 . 92 93 101 n/z- > 0) ..101—20 25.3144 30 71 40 50 60 70 । ' । । 1 1 ' । 1 1 1 1 I... I***I‘‘‘‘I* 80 । " i ’ ''i I ■ ' 1 ■ i ■ 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- ■ ' i ■ ■ ■ ■ i ■ ' 43 5.60 5.80 6.00 6.20 6.40 m/ z 41.20 6.07%
5000 59 . 101 0 0 27 1 /1 37 Yll i'' 1 53 67 77 | 83‘ ' ■ 91 । | 1 ■ ' ■ | । , | ! ■ ■ ' 1 j l ■ ' ■ j 1 ' 1 ' i ■ ' 1 ■ | ■ Tr—pTRTTrRTTrr n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40
9155.D 050102.M Mon May 13 11:41:46 2002 Page 6
NYC-WTC_000022867
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000023904
Laboratory report showing GC/MS analysis of sample AE10981 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.997
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 · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025163
Laboratory report showing GCMS analysis results for sample AE11384 conducted on May 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
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 · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013496
Laboratory report documenting GCMS analysis of sample AE11928 conducted on June 4, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012908
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11903.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012989
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11907.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045595
Laboratory report detailing GC/MS analysis of sample AE10604 including surrogate recovery data in May 2002.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012852
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11901.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012823
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11800.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014578
Laboratory report showing GCMS analysis results for sample AE12534 including surrogate recovery data on June 10, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013643
Laboratory report documenting GCMS analysis of sample AE12162 conducted on June 5, 2002.
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_000025347
Laboratory report showing non-detect levels for 15 volatile organic compounds in a GCMS method blank processed on May 23, 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022763
GCMS analytical report for environmental sample AE09331 including surrogate compound data from May 15, 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044025
Laboratory report for sample AE09973 showing surrogate recovery and unknown compounds from May 9, 2002.
Similarity score 0.998 (not a probability)
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.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025145
Laboratory report showing GCMS analysis results for sample AE11383 conducted on May 22, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025414
Laboratory report documenting GCMS analysis of sample AE11419 conducted on May 30, 2002.
Similarity score 0.998 (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_000022716
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000022717
Laboratory form listing GCMS analytical parameters including drip rates, surrogates, and volume measurements.
Filed in the same folder
NYC-WTC_000022719
Laboratory report showing non-detect levels for various volatile organic compounds in a method blank.
Filed in the same folder
NYC-WTC_000022734
Calibration data sheet listing response factors for volatile organic compounds used in GCMS analysis.
Filed in the same folder
NYC-WTC_000022738
Report of reference standard analysis for volatile organic compounds with quantified response values.
Filed in the same folder