Laboratory report showing GCMS blank analysis for sample AE11379 conducted on May 21, 2002, with results below minimum reporting levels.
NYC-WTC_000025054–000025071Folder label: “GCMS X 5/15/02 A 5/17/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report
Data File : C:\MSDCHEM\1\DATA\051702\0515LB.D Vial : 16 Acq On : 18 May 2002 1:49 am Operator: Mclean Sample : 5/15 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 2 4-Penten-2-one, 4-methyl- Concentration Rank 8
R.T. EstConc Area Relative to ISTD R.T.
7.73 0.36 ug/L 385827 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# Qual
l 4-Penten-2-one, 4-methyl- 98 C6H10O 003744-02-3 9 2 Methyl 1-methylcyclopropyl ketone 98 C6H10O 001567-75-5 9 3 2-Propanone, 1-eye1opropy1- 98 C6H10O 004160-75/2 9 4 5-Hexen-2-one 98 C6H10O 000109-49-9 9 Abundance Scan 791 (7.727 min): 0515LB.D (-787) (-) m/z 43.10 TOO.00% 43 __
5000-
58 87 ' 1 ‘ 1 1 1 1 1 1 1 1 ' ' I 1t 1 ' 1 1 ' 1 ‘ I 98
mlz-> 0+ -HHRH .................... I + 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 69 ! TPTTT m/z 7.40 7.60 87.10 7.80 8.00 26.19% Abundance #110033: 4-Penten-2-one, 4-methyl- 43
5000 ' 1 i 1 1 ■, W............ 7.40 7.60 7.80 8.00 28 83 m/ Z 58.10 24.20% 55 98
m/z-> 0 lal,L.34 HHH soo 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #5005: Methyl 1-methylcyclopropyl ketone 43 WWWyuAw ' 1 1 1 1 ' 1 ' 1 1 1 ' 1 I ' 1 1 1 1 1 ' 1 ' 1 7.40 7.60 7.80 8.00 5000 m/ z 59.10 14.58% 55 29 83 98 I"1......... .................................... ... 50 , 63 69 77 | || 0 111, । r । h 1111, ■ i ■"11'11111"11" " r'1 ‘ r "' i11" r11' I"11 r "1 mfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #5149: 2-Propanone, 1-cyclopropyl- 43 1 ' 1 I 1 ' ■ 1 । 1 7.40 7.60 .1.4.... 7.80 8.00 m/ z 41.10 13.97%
5000
55 27 0 I" " 11 ’" I TH - i1 ■ ■ ■ i"69 83 1 50 98 111" " i ■'" i1 ■111" " i'1" r111 r "1 r mfe~> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 7.40 7.60 7.80 8.00
0515LB.D 050102.M Tue May 21 11:58:09 2002 Page 5
NYC-WTC_000025062
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NYC-WTC_000023843
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in a GC/MS blank sample AE10901.
1 shared topics · Same agency, volume and box · similarity 0.997
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 0.995
machine-extracted · confidence unavailable · Check page ↗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 0.995
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 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025347
Laboratory report showing non-detect levels for 15 volatile organic compounds in a GCMS method blank processed on May 23, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
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 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045547
Laboratory report of a GC/MS blank run analyzing volatile organic compounds with results below detection limits in May 2002.
1 shared topics · similarity 0.995
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 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012751
Gas chromatography-mass spectrometry blank analysis for sample AE11799 showing results below method reporting limits for semivolatile organic compounds, dated May 28, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045048
Laboratory report showing blank analysis results for volatile organic compounds in sample AE10303 on May 9, 2002.
1 shared topics · similarity 0.994
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 0.994
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 · similarity 0.994
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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NYC-WTC_000025051
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000025052
Fragmented document containing GCMS calibration slope information for the period of May 15 to May 17, 2002.
Filed in the same folder
NYC-WTC_000025072
Calibration report for GCMS analysis of sample AE11379 performed on May 21, 2002, listing response factors for target analytes.
Filed in the same folder
NYC-WTC_000025076
Laboratory report documenting GCMS calibration verification for sample AE11379 conducted on May 20, 2002, listing specific compound concentrations.
Filed in the same folder
NYC-WTC_000025080
Laboratory report listing GCMS reference analysis results for sample AE11379 conducted on May 21, 2002.
Filed in the same folder