Learn the Issues
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Monticello-Welsh - Coal Ash Community Meeting
Webpage for community meeting in Monticello-Welsh in Texas
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Air Emissions Modeling
The site documents and makes available the Agency's latest emissions inventory data formated for use in temporal, spatial, and speciation emissions modeling.
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Lakes Presenting Risk for Exposure to Harmful Algal Toxins
Lakes Presenting Risk for Exposure to Harmful Algal Toxins
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Update on the Status of TSCA Risk Management Rule for TCE
EPA is further postponing until November 2025 the effective date for each of the TSCA 6(g) exemption requirements for TCE. This will ensure that the timing of EPA's administrative stay aligns with the court's timeframe for this action.
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Ground-level Ozone Pollution
Known as tropospheric or "ground-level" ozone, this gas is harmful to human heath and the environment. Since it forms from emissions of volatile organic compounds (VOCs) and nitrogen oxides (NOx), these pollutants are regulated under air quality standards.
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Visibility and Regional Haze
Haze forms when sunlight encounters particle pollution. It reduces visibility in cities and scenic areas. This web area provides regulatory information and progress towards improving visibility through EPA’s regional haze program.
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Small Business at EPA Bulletin
A list of monthly bulletins that highlight information on Agency activities, rulemakings, and to share information about ongoing initiatives from the State Small Business Environmental Assistance Programs.
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Key Terms
This page provides definitions for ACRES terminology.
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March—April 2022 Newsletter
EPA's Pacific Southwest (Region 9) March–April 2022 Newsletter: Emergency Response in Hawaii, A New Regional Administrator, and More
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Collision Repair Campaign to Reduce Air Toxics
The Collision Repair Campaign targets meaningful risk reduction in the Collision Repair source category to reduce air toxic emissions in their communities. The Campaign also helps shops to work towards early compliance with the Auto Body Rule.
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Federal Electronics Challenge (FEC)
FEC is a partnership program encouraging federal facilities and agencies to buy and manage green electronics
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Quarterly Webinar for National Emphasis Area (NEA) Grantees
Webinar for regional P2 coordinators.
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Results: E3 by the Numbers
Some savings reported already in various areas by manufacturers focused on sustainability through E3.
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Lake Erie Bloom Severity, 2002-2022
Table with annual phosphorus loads to the Lake Erie basin.
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Lake Erie Bloom Severity, 2002-2024
Table with annual phosphorus loads to the Lake Erie basin.
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Federal, State and Local Resources for the GE-Pittsfield/Housatonic River Site
Collection of links to area resources for the GE-Pittsfield/Housatonic River Site
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Frequently Asked Questions on Lake Erie Severity Index Time Series
Frequently Asked Questions on the updated Lake Erie Severity Index time series.
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Lake Erie Water Quality Data
EPA and ECCC annually track changes in phosphorus loads to Lake Erie, as well as the in-lake response of harmful algal blooms (HABs) and hypoxia.
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U.S. Priority Tributaries
Ten U.S. tributaries were assigned a target to reduce total annual phosphorus and/or phosphorus during spring (defined as March through July).
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Water Infrastructure Improvements for the Nation (WIIN) Act Section 2107 Lead Testing in School and Child Care Program Drinking Water Grant November 18, 2019 to December 20, 2019 Tribal Consultation Summary
Summary of comments received during tribal consultation of the WIIN Act lead testing in school and child care program drinking water grant program.