Learn the Issues
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CHP Resources
Access documents and tools about CHP, CHP project development, CHP policy, and CHP applications.
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CHP's Role Providing Reliability and Resiliency
Learn about CHP benefits, including increased efficiency, reduced emissions of greenhouse gases and other air pollutants, energy cost savings, and enhanced energy reliability.
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CHP's Role in a Decarbonizing Energy Grid
Learn about CHP benefits, including increased efficiency, reduced emissions of greenhouse gases and other air pollutants, energy cost savings, and enhanced energy reliability.
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Is My Facility a Good Candidate for CHP?
Learn if a facility is a good candidate for CHP by answering a list of questions, and access the CHP Spark Spread Estimator, a tool that helps evaluate a prospective CHP system for its potential economic feasibility.
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More Than Money: Environmental Projects in Enforcement Settlements Bring Goods and Services to Communities Harmed by Pollution
In addition to taking actions required to return to compliance and paying civil penalties, willing defendants may undertake additional projects that directly benefit the affected community or environment.
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Acid Rain Program Results
Learn the ways that EPA is addressing Acid Rain.
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EPA Comments on the SF Bay Delta Water Quality Control Plan
EPA comments regarding proposed modifications to water quality standards in the Sacramento-San Joaquin Delta.
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Water Quality Certifications on Tribal Lands in EPA's Pacific Southwest (Region 9)
This page provides information about EPA’s Clean Water Act (CWA) Section (§)401 water quality certifications on Tribal Lands of EPA's Pacific Southwest (Region 9).
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Final Determination for Pebble Deposit Area
Materials related to the Clean Water Act Section 404(c) Final Determination for the Pebble Deposit Area, Southwest Alaska
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SBA Disaster Loans
Information on SBA Disaster Loans including Business Physical Disaster Loans and Economic Injury Disaster Loan
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2018 Emissions Modeling Platform Technical Support Document
This document describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the year of 2018
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SepticSmart Week 2015 Materials
Materials to use during SepticSmart Week.
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2018 Emissions Modeling Platform
Modeling files and documentation from the 2018 Emissions Modeling Platform
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Hold the Mold Lesson Plan
Lesson plan for middle school students on mold.
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Lead Blockers Lesson Plan
Lesson plan for teachers on lead and health.
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Mercury Bioaccumulation Tag Lesson Plan
Lesson plan for teachers on mercury and bioaccumulation.
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2019 NEI Technical Support Documentation
This is the page for the technical support document for the 2019 NEI point source category
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Guidance on Regulations Issued Under the Toxic Substances Control Act (TSCA)
This page provides guidance to assist the regulated community in complying with policies or regulations that EPA has issued under the Toxic Substances Control Act (TSCA).
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Reduce, Reuse, Recycle Resources for Students and Educators
Educational materials and reducing, reusing, and recycling for students, educators and parents, including games, publications, and activities.
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State Authorization Rule Checklist 244 for Hazardous Waste Rulemakings Published Between July 2021 and June 2022
Rules, checklists, summaries and Federal Register Notice links related to State Program Advisory 41