These documents are the appendices to the implementation guidance to states, tribes and U.S. EPA Regions exercising primary enforcement responsibility under the Safe Drinking Water Act.
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Interim Enhanced SWTR Implementation Guidance Appendices (PDF)(94 pp, 794 K,
June 2001)
Appendix A to the Interim Enhanced Surface Water Treatment Rule implementation guidance includes the primacy revision crosswalks
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LT1 Implementation Guidance Appendices (PDF)(210 pp, 5 MB,
August 2004)
The appendix to the Long Term 1 Interim Enhanced Surface Water Treatment Rule (LT1) includes the primacy revision crosswalk
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Filter Backwash Recycling Rule Implementation Guidance Appendices (PDF)(72 pp, 852 K,
June 2004)
This Filter Backwash Recycling Rule implementation guidance appendices includes the primacy revision crosswalk