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| Science-based Process for the Exchange of Pollutants Credits in Minnesota |
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Posted Date: 7/27/2009
The Minnesota Pollution Control Agency (MPCA) hired K&A to develop key elements of a scientifically defensible process for calculating pollutant reduction credits. The report available below for download provides a technical foundation for these elements of Minnesota's water quality trading rule development and related Statement of Need and Reasonableness (SONAR). This report describes several efforts on this project, including:
- Benchmarking nationally accepted credit estimation methods
- Recommended selection of credit estimation methods to use in Minnesota WQT applications
- Defensible 8-step process based on sound watershed science to develop MPCA's proposed "uncertainty factor"
- Statistical evaluations of trading program options and credit methods to consider for future WQT program rule applications
- Narrative outline and flow diagram providing guidance to WQT program managers for using the 8-step process for phosphorus, nitrogen and sediment crediting
Final report (06/29/09) - PDF
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