in the canada wide standard for hydrocarbon contamination in …€¦ · · 2007-04-27canada wide...
TRANSCRIPT
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Improving Efficiencies in the
Canada Wide Standard for Hydrocarbon Contamination in Soil Tier 1 method
using
advances in CDS data handling and reporting
Darren JohnstonApplications ChemistVarian Canada
The 42nd AnnualThe 42nd Annual
April 23April 23--26, 200726, 2007
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Overview of Application: C10-C50 in soil
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Challenges with CCME
•Integration: Achieve reproducible area counts without subjective manual integration
•Identification: CCME Fractions are based on apex RT of hydrocarbons
•Calibration: Average RF of C10, C16, C34 with min. 3 point linearity
•Quantitation: Average RF used against the total area for each identified fraction
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Goals Using Galaxie
•Integration: Method defined time slice with horizontal baseline
•Identification: peak and group table to define CCME regions
•Calibration: Average RF is an available feature in Galaxie
•Quantitation: CCME fraction results are calculated in Galaxie
improve efficiencyof CCME analysis
Galaxie.lnk
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Galaxie – Quick Overview of Key Features
Menus
Icon bars
Chromatogram Window
Browser
Status/Processing Parameters Window
Status Bar
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Integration and Identification
•Fraction #2: Area counts from the apex of nC10 to the apex of the nC16
•Fraction #3: Area counts from the apex of nC16 to the apex of the nC34
•Fraction #4: Area counts from the apex of nC34 to the apex of the nC50
•Time slice integration feature defines RT regions in the chromatogram
•Use peak table to name the individual time slice regions
•Use group table to define CCME fractions #2-#4
•Calibration check boxes appear on peak and group tables
Galaxie FeaturesGalaxie Features
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Integration challenges with HC samples
•Inconsistent baseline treatment can force the use of corrective manual integration
•Time consuming
•Decreased reproducibility – subjective to the user
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Galaxie Solution – Time Slice with Horizontal Baseline
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Peak ID using time slice on standards
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Peak Table in Galaxie
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Group Table in Galaxie
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Another Group Table in Galaxie
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CCME Calibration for F2-F4
•Standards are equal amounts of nC10, nC16 and nC34. (min 3 point linearity)
•The average RF for nC10,nC16 and nC34 (%RSD<10%) is used for fraction quantitation
•nC50 RF must be a within 30% of the average of nC10, nC16 and nC34 RF
•Performance spikes must be recovered within 20%
Galaxie FeaturesGalaxie Features
•Calibration check box on peak and group tables
•Reference response factors used in calibration table
•Average RF available as calibration model, %RSD automatically calculated
•Variable editor used to create custom calculations
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Calibration Table in Galaxie
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Calibration Table in Galaxie cont’d
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Galaxie Variable Editor
•set up custom calculations to test for the Prescriptive Elements of CCME
•Example RF of C50 within 30% of average RF of C10, C16 and C34
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Galaxie Results Page
•Customize the variables displayed
•Allows the user to read the results right off the page
•No EXCEL calculations required
•Print, PDF, or export to LIMS
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Galaxie System Suitability
•Allows the user to set up automated PASS/FAILParameters for some Prescriptive Elements of CCME
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High Temperature Hardware
Varian 3800
•Cold on Column
•Large Volume Injection
•Electronic Flow Controller
•Optimized Injection Liner
•CP-Select Mineral Oil Column
•Oven Compartment Reducer
•High Temperature FID
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CCME Standard using LVI
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Acknowledgements
Mark DalmaijerManitoba Hydro Lab ServicesWinnipeg, MB
Charles van Dortmond Environment Market Development ManagerVarian Inc.Middelburg, The Netherlands
Brooke BennettKomex / University of AlbertaDept of Environmental Eng.Edmonton, AB
Adam GillespieUniversity of SaskatchewanDept of Soil SciencesSaskatoon, SK
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Thank you for your attention
Western Canadian Sales Team
Blair AlbrechtMark CullenJason DunbarSteve HoseinDarren Johnston
Western Canadian Service Team
Darryl BilanWayne GroutRob ChristianBrian GoertzenCristian VinturacheDerek SalomonsWayne Blonski