Environmental Geochemistry Seminar Topics
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Mix and Match from the following topics to create a seminar from a half day to two days. Please contact us if you have topic of your own that you would like us to cover.
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Topic 1: Physical Properties Relevant to Environmental Geochemistry
 Vapor Pressure - Product to Vapor Partitioning Henry's Law Constant - Vapor to Water Partitioning Density - Liquid (LNAPL & DNAPL) and Vapor (Dense Vapor Movement) Polarity - Soil to Water Partitioning (Kow & Koc) Topic 2: Reviewing and Troubleshooting Lab Data
Sample Preparation Methods Instrumentation and EPA Methods Calibration of Instruments QA/QC of Lab Data - What Matters and How to Find It Mobile versus Fixed Based Laboratories Case Histories Topic 3: Advances in Soil Vapor Surveys
Active versus Passive Sampling Analytical Methods - GC, GCMS Choosing the Best Method for the Situation Fate and Transport of Vapors in the Environment Data Interpretation Applications and Case Histories Topic 4: Remediation by Natural Attenuation
Natural Biochemical Degradation Principals What Parameters to Measure Sample Collection Considerations Data Interpretation / Program Design Topic 5: Vapor Migration and Risk Calculations
Vapor Migration (Advection & Diffusion) Partitioning and Speed of Movement Upward Vapor Migration and Risk Assessment Calculating Impacts to Ground Water Calculating Impacts to Buildings Using RBCA Getting the Most Accurate Results Topic 6: MTBE
Chemical Composition & Historical Use Behavior in the Environment Analysis Considerations - Especially False Positives Remediation Considerations Topic 7: Direct Push Sampling Systems
Direct Push versus Conventional Drilling Advantages and Limitations - Soil, Groundwater, Soil Vapor Special Tools - Downhole Logging, Lithologic Characterization (conductivity, gamma logging) Automated Vapor Logging Topic 8: New Technologies
Borehole Geophysics - Gamma, Conductivity, and Density Logging Fluorescence Petroleum Fingerprinting Vertical Profiling of Aquifers Vertical Profiling of Vapor Plumes ORC ® Injection Systems Topic 9: Remediation Technologies
In-Situ Methods Petroleum Methods (ORC, VES, Microbes, Nutrients, BioVenting, Sparge Systems) Halogens (HRC, Reactive Barrier Walls, Organic Compounds) Automated Sampling and Analysis Mobile Lab applications Topic 10: Field Instruments
Types of Instruments - OVA, PID, FID, OVM, IR Proper Applications Calibrations, Limitations and Potential Errors Topic 11: New Soil Sampling Methods
Methanol Preservation Encore TM Sampler
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