BTAG Frequently Asked Questions
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Frequently Asked Questions
These FAQs were prepared by the EPA Region 3 Biological Technical Assistance Group (BTAG) to answer questions and address situations commonly encountered during the ecological risk assessment process for CERCLA sites in Region 3. They were developed to provide key information and approaches that can be applied consistently at a multitude of sites and to help to ensure that all ecological risk assessors working on sites in Region 3 have access to regional BTAG guidance.
In most cases the information provided is merely a reiteration or clarification of existing EPA guidance or policy. The methodologies or approaches described should be viewed as default approaches to be implemented in EPA Region 3.