NYC-WTC_000022857
GCMS analytical report for environmental sample AE09155 including surrogate compound data from May 15, 2002.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗Fragmented GCMS scan data page showing tentative identification of compounds and surrogate recovery for sample AE11420.
NYC-WTC_000025430–000025446Folder label: “GCMS X 5/16/02 A 5/20/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052002\11420.D Vial: 10 Acq On : 20 May 2002 8:37 pm Operator: Mclean Sample : 5/16 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 4 4-Penten-2-one, 4-methyl- Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T.
7.73 0.34 ug/L 328308 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 4-Penten-2-one, 4-methyl- 98 C6H10O 003744-02-3 122 2 Methyl 1-methylcyclopropyl ketone 98 C6H10O 001567-75-5 3 4-Penten-2-one, 3-methyl- 98 C6H10O 000758-87-2 9 4 2-Butanol, 3-methyl-, acetate 130 C7H1402 005343-96-4 9 Abundance Scan 791 (7.727 min): 11420.D (-787) (-) m/z 43.10 /100.00% 43
5000 58 87
n/z-> Abundance 0lfi k.”.all. 36,1 |, I" "111111" "i ■1" i ‘"11''1' i " I"1' 11"11 ‘' !5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 #110033: 4-Penten-2-one, 4-methyl- n„ 98 7.40 m/z 7.60 7.80 58.10 8.00 34.06%
43 MVMM.MWy 5000 1 1 I ' 1 1 1 I ' ' ' ' ' 1 1 ‘ ' 1 I 7.40 7.60 7.80 8.00 83 m/z 87.10 19.87% 98
/z-> 0 i11" r "' i1
Abundance 39,1.„h i ■ ■ ■ ■ i"1 r i" " i" " i 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 #5005: Methyl 1 -methylcyclopropyl ketone r 111 r "' r 11'i""i1"
43 yA... ■ 1 i 1 ■
7.40 7.60 7.80 8.00 5000 m/ z 59.10 14.10% 55 29 83 98 15 50 , 0!1.1 T —ll3s++ + 63 69 77 | i11111'1111■1 ■■ i1"11''1' i1'" i"" ir 1111"1'i'11■ || miz-> I5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 — Abundance #109148: 4-Penten-2-one, 3-methyl- 43 7.40 7.60 7.80 8.00 m/z 83.10 12.41% 5000
m/z-> 0 27 50 55 62 67 7783 98 ! J •'«> IJ'1111''' I •11 ‘ 11111111111111 ’ J'1111' •'1111T VP 111—11/11 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 . 1h. 7.40 7.60 7.80 8.00
11420.D 050102.M Thu May 23 14:07:10 2002 Page 7
NYC-WTC_000025430
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000022857
GCMS analytical report for environmental sample AE09155 including surrogate compound data from May 15, 2002.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗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 0.987
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 topics · similarity 0.992
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 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013285
Calibration table listing response factors for deuterated standards and target compounds used in gas chromatography-mass spectrometry analysis.
1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013574
Laboratory report documenting GCMS analysis of sample AE11931 conducted on May 29, 2002.
1 shared topics · similarity 0.989
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 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012937
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11904.
1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013154
GCMS laboratory report for sample AE09677 detecting unknown compounds and 2,4-DDD on May 23, 2002.
1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044902
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE09093 on May 10, 2002.
1 shared topics · similarity 0.988
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 topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013014
GCMS laboratory report for sample AE11908 detecting unknown compounds and 2,4-DDD on June 4, 2002.
1 shared topics · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000044510
Report listing other unknown compounds and surrogate recovery data from GCMS analysis conducted on May 3 2002.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022795
GCMS analytical report for environmental sample AE09151 including surrogate compound data from May 15, 2002.
Similarity score 0.994 (not a probability)
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.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044001
Laboratory report for sample AE09972 showing surrogate recovery and unknown compounds from May 9, 2002.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025054
Laboratory report showing GCMS blank analysis for sample AE11379 conducted on May 21, 2002, with results below minimum reporting levels.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024083
Laboratory report detailing GCMS analysis of sample AE10896 conducted on May 21, 2002, including surrogate recovery data.
Similarity score 0.993 (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_000025344
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000025345
Laboratory log sheet recording Method 608 extraction parameters and sample counts for DEP testing in May 2002.
Filed in the same folder
NYC-WTC_000025347
Laboratory report showing non-detect levels for 15 volatile organic compounds in a GCMS method blank processed on May 23, 2002.
Filed in the same folder
NYC-WTC_000025359
Laboratory report of GCMS calibration data showing response values and detection limits for 15 volatile organic compounds on May 23, 2002.
Filed in the same folder
NYC-WTC_000025363
Laboratory report of GCMS reference standard analysis showing response values for 15 volatile organic compounds on May 23, 2002.
Filed in the same folder