Learn the Issues
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Clarifications Regarding Regional Haze State Implementation Plans for the Second Implementation Period
July 8, 2021 -- This site contains a link to the July 2021 document titled "Clarifications Regarding Regional Haze State Implementation Plans for the Second Implementation Period."
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Navigable Waters Protection Rule Tribal Consultation
Description of Tribal outreach efforts and links to document pages for all federalism letters received in response to 2017 Waters of the United States Rulemaking
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Federalism Consultation Letters - Region 10
Provides letters submitted by representatives from states in Region 10 as part of the waters of the US rulemaking federalism consultation
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Federalism Consultation Letters - Region 9
Provides letters submitted by representatives from states in Region 9 as part of the waters of the US rulemaking federalism consultation
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Federalism Consultation Letters - Region 8
Provides letters submitted by representatives from states in Region 8 as part of the waters of the US rulemaking federalism consultation
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Federalism Consultation Letters - Region 7
Provides letters submitted by representatives from states in Region 7 as part of the waters of the US rulemaking federalism consultation
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Federalism Consultation Letters - Region 6
Provides letters submitted by representatives from states in Region 6 as part of the waters of the US rulemaking federalism consultation
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Western Abandoned Uranium Mine Region: Fact Sheets
Fact sheets related to Western Abandoned Uranium Mine (AUM) Region, more than 100 abandoned uranium mine claims located along the Little Colorado River and Highway 89, ain the Cameron, Coalmine Canyon, Bodaway/Gap, and Leupp Chapters in Northern Arizona.
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Federalism Consultation Letters - Region 5
Provides letters submitted by representatives from states in Region 5 as part of the waters of the US rulemaking federalism consultation
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Federalism Consultation Letters - Region 4
Provides letters submitted by representatives from states in Region 4 as part of the waters of the US rulemaking federalism consultation
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Federalism Consultation Letters - Region 3
Provides letters submitted by representatives from states in Region 3 as part of the waters of the US rulemaking federalism consultation
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Federalism Consultation Letters - Region 2
Provides letters submitted by representatives from states in Region 2 as part of the waters of the US rulemaking federalism consultation
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Federalism Consultation Letters - Region 1
Provides letters submitted by representatives from states in Region 1 as part of the waters of the US rulemaking federalism consultation
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Federalism Consultation for the Navigable Waters Protection Rule
Description of Federalism outreach efforts and links to document pages for all federalism letters received in response to 2017 Waters of the United States Rulemaking
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National Organizations
Provides letters submitted by national organizations as part of the waters of the US rulemaking federalism consultation
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National Environmental Policy Act
NEPA requires federal agencies to determine if their proposed actions will have significant environmental effects. EPA reviews and comments on these Environmental Impact Statements (EIS) and provides public notification and access to these documents.
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Industrial and Construction and Demolition (C&D) Landfills
this page describes Industrial and Construction and Demolition (C&D) Landfills.
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Chapter Ten of the SW-846 Compendium: Sampling Methods
This document page displays chapter 10 of the SW-846 Test Methods Compendium
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Guidelines for Revalidation of Existing Immunoassay Based Analytical Products
Guidelines to notify OSW of changes in analytical products based on their changes in: the critical performance characteristics, the claims of the product, the format of the product.
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Permit Modifications Report: Safeguarding the Environment in the Face of Changing Business Needs
This report demonstrates the value of maintaining healthy RCRA permitting programs in order to efficiently respond to changes needed at facilities.