Collections and Lists
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National Pollutant Discharge Elimination System (NPDES)
Provides information about how the permit program interacts with other CWA programs to protect and improve water quality, and provides resources for professionals working in the program at the federal, state, local, and firm level, and concerned public.
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West Virginia NPDES Permits
NPDES water permits issued in West Virginia.
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Air Topics
Information about indoor and outdoor air quality, air monitoring and air pollutants.
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Stationary Sources of Air Pollution
This web area catalogs emissions requirements for stationary sources of air pollution by categories recognized by the Clean Air Act.
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New Source Review (NSR) Permitting
This site will provide basic information on clean air permitting under the New Source Review Program, provide access to state and regional permitting programs, and current regulatory requirements.
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Water Quality Standards Academy
The Water Quality Standards Academy provides classroom-based and online courses, along with occasional webinars, to support development of water quality standards.
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Children's Health Protection Advisory Committee (CHPAC) Comment Letters and Meeting Materials
Meeting agendas of the Children's Health Protection Advisory Committee (CHPAC) FACA group that advises EPA administrator about children's environmental health, members, meetings, and related info.
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Lindsay Light Superfund Sites
Lindsay Light is a group of Superfund removal sites in the Streeterville neighborhood of downtown Chicago. All excavations in the area require radiation testing to detect thorium-contaminated soil Streeterville neighborhood..
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Phase One Residential, Commercial, and Agricultural Soil Sampling Results
EPA’s review of preliminary results indicates that the vast majority of reportable concentrations of semi-volatile organic compounds (SVOCs) and dioxin/furans (dioxins) are consistent with known concentrations for soil in urban and rural areas.
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Coastal Adaptation Toolkit
Learn more about climate change impacts and developing adaptation plans. Find links, reports, and resources related to vulnerability assessments, action plans, and climate impact reports.
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Climate Ready Estuaries Partner Projects
Find examples of projects that National Estuary Programs around the country have completed to prepare for climate change impacts.
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Synthesis of Adaptation Options for Coastal Areas
Adaptation can help reduce the long-term costs associated with climate change. This document provides an introduction to climate change impacts and adaptation options for estuaries, beaches and coastal areas.
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Risk-Based Adaptation
Integrating risk management into climate change adaptation planning for watershed-based organizations or coastal communities.
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Office of Finance and Administration Policies
This page provides the policies, standards and guidance necessary to comply with Agency IM/IT requirements.
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Nebraska NPDES Permits
NPDES water permits issued in Nebraska.
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Co-sponsorship of Tribal/EPA Annual Conferences
EPA Region 9 General Assistance Program Funding Opportunity: Co-sponsorship of the 33rd and 34th Tribal/EPA Annual Conference. Letter of Intent Due January 16, 2026.
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GovDelivery Newsletters
Collection of Bonita Peak Mining District GovDelivery Newsletters
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WaterSense
WaterSense is an EPA national voluntary partnership program that offers a simple way for consumers to identify water-efficient products, homes, and services.
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Register for the February 2 Webinar on 1,4-Dioxane
January 12, 2021 announcement on the public webinar on the final risk evaluation and risk management for 1,4-dioxane
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The Electric Power Grid: Text-Only Version
Alternate text version of the Electric Power Grid diagram, which explains the generation, delivery, storage, and end-users of electricity.