Learn the Issues
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CDX Registration Webinar
This webinar provides instruction on how to register in the CDX system.
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TSCA Section 21 Petition Requesting EPA to Promulgate TSCA Section 4 and 8 Rules Concerning Oil and Gas Exploration and Production Chemicals and Mixtures
This petition requests EPA to promulgate regulations under TSCA Section 4 and 8 rules requiring toxicity testing and reporting of health and safety studies on oil and gas exploration and production chemicals.
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2012 TSCA Work Plan Chemicals
The TSCA Work Plan Chemicals Methods Document explains the hazard, exposure, and persistence/bio-accumulation criteria, the data sources used, and how chemicals were scored.
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A Summary of All Chemical Action Plans Issued by EPA
A brief summary overview of all posted chemical action plans.
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Modified Total Direct Cost (MTDC) Base Tool
EPA has provided a Modified Total Direct Cost (MTDC) Base Tool which breaks down cost categories and their allowability. Topics within this tool include but are not limited to supplies, travel, fringe benefits, equipment, and construction.
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Best Practices for Mitigating Potential Harm and Community Benefits of Reclamation and Destruction of HFCs
There are many ways that potential harms may be reduced or avoided.
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Allowance Allocation Methodology for 2022
This page describes the steps EPA took to calculate each entity receiving allowances for calendar year 2022. The list of current allowance holders is available on the Issuing Allowance Allocations web page.
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Best Practices and Considerations for HFC Reclamation and Destruction
Hydrofluorocarbons (HFCs) are potent greenhouse gases (GHGs) developed and manufactured as replacements for ozone-depleting substances (ODS).
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Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations for 2022
The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.
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Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations for 2024
The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.
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Notices of Determination for Petitions Submitted under Subsection (i) of the American Innovation and Manufacturing Act of 2020
This notice is to alert the public of the Administrator’s decision to grant in full ten petitions and partially grant one petition submitted under subsection (i) of the American Innovation and Manufacturing (AIM) Act of 2020.
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Control of HFC-23 Emissions
Proposed Rulemaking: Phasedown of Hydrofluorocarbons: Allowance Allocation Methodology for 2024 and Later Years.
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Procurement Best Practices: Collaborative Negotiation Versus New Procurement
Best zero waste procurement practices - collaborative negotiation instead of new full procurement process.
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Project Waiver of AIS Requirements for Seamless Steel Well Casing for Miami-Dade, Florida (WIFIA)
AIS waiver request approval.
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2014 Clean Water State Revolving Fund (CWSRF) National Financial Report
To provide a national snapshot of CWSRF performance, EPA has developed national aggregate financial statements. The statements are best viewed as nonaudited, cash flow-based financial reports.
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Procurement Best Practices: Start Early and Provide Zero Waste Information and Evaluation Criteria
Best practices for zero waste procurements - start early and provide zero waste information and evaluation criteria.
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Pinoleville Pomo Nation Tribal Green Building Code
The Pinoleville Pomo Nation (PPN) worked with the U.S. Environmental Protection Agency (EPA) and the Development Center for Appropriate Technology (DCAT) to create this framework for Tribal building codes.
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Tribal Green Building Administrative Code Example
This Tribal Green Building Administrative Code Example can be used as a template for technical code selection (i.e., building, electrical, plumbing, etc.) to be adopted as a comprehensive building code.
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The Confederated Tribes of the Grand Ronde Community of Oregon Tribal Building Code Ordinance
The Confederated Tribes of the Grand Ronde Community of Oregon Tribal Building Code Ordinance