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Water Quality & Mixing Zones Sponsored by: EPA Office of Research and Development |
| Time/Date of Presentation: | No deliveries for this seminar are currently scheduled. You may be interested in the following archives of this seminar: |
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| Presentation Overview: | January 22
This session will provide an introduction to mixing zones and dilution factors. An overview of mixing zone terminology and regulatory definitions will be given. The presenter will discuss the range of mixing zone situations and different outfall structures encountered in the field. The science around mixing of effluent in the environment Presenter: Dr. Robert Doneker (MixZon, Inc.) View Session Archive Download Slides: 104.7MB/PPT  | 40.1MB/Color PDF  | 25.1MB/B&W PDF
This session will cover physical mixing processes and will provide examples of how effluent mixes in various situations. Examples will include river, marine, and estuary discharges, as well as surface outfalls, submerged outfalls, and multiport outfalls. January 23 CORMIX mixing zone modeling Presenter: Dr. Robert Doneker (MixZon, Inc.) View Session Archive Download Slides: 25.8MB/PPT | 17.5MB/Color PDF | 15.6MB/B&W PDF
This session will provide the basics of how to set up a CORMIX model. CORMIX is an EPA-supported mixing zone model and decision support system for environmental impact assessment of regulatory mixing zones resulting from continuous point source discharges. Case studies demonstrating how to use CORMIX will be provided. January 24 VISUAL PLUMES mixing zone modeling Presenter: Dr. Walter Frick (Visual Plumes Consultants) View Session Archive Download Slides: 13.5MB/PPT | 18.7MB/Color PDF | 15.3MB/B&W PDF
This session will provide the basics of how to set up a Visual Plumes model. The Visual Plumes model system is a Windows-based software application for simulating surface water jets and plumes. It also assists in the preparation of mixing zone analyses, Total Maximum Daily Loads (TMDLs), and other water quality applications. Case studies demonstrating how to use the Visual Plumes model will be provided. Expert panel — What to look for when reviewing a mixing zone study Presenters: Anise Ahmed (Washington State Department of Ecology) View Session Archive Download Slides: 904K/PPT | 10.8MB/Color PDF | 5MB/B&W PDF Ben Cope (EPA Region 10) Download Slides: 59K/PPT | 646K/Color PDF | 646K/B&W PDF
This session will consist of a panel of EPA and state mixing zone experts who will discuss how to be a savvy consumer of mixing zone studies and walk the participants through what they look for when reviewing or commissioning a mixing zone study.
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