Learn the Issues
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Listing Impaired Waters and Developing TMDLs
This resource provides the first course in an online training series that addresses the links between weather and the environment.
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Training in Use of the National Hydrography Dataset (NHD) and NHDPlus
This module links to the web-based training documents on using the NHD and NHDPlus.
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EPA Releases Proposed Plan for Motorola 52nd Street Superfund Cleanup in Phoenix
EPA News Release: EPA Releases Proposed Plan for Motorola 52nd Street Superfund Cleanup in Phoenix
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EPA, Hopi Tribe, federal partners reach milestone on safe drinking water, conclude Administrative Orders
EPA News Release: EPA, Hopi Tribe, federal partners reach milestone on safe drinking water, conclude Administrative Orders
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EPA Fines AB&I Foundry Operator in Oakland Clean Air Act Violations Case
EPA News Release: EPA Fines AB&I Foundry Operator in Oakland Clean Air Act Violations Case
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EPA Amends 2023 Red Hill Order with the Navy, Defense Logistics Agency to Improve Community Engagement
Changes improve participation and productivity at Community Representation Initiative meetings
EPA News Release: EPA Amends 2023 Red Hill Order with the Navy, Defense Logistics Agency to Improve Community Engagement
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Illinois Sinkhole Locations
Endangered Species Protection Bulletins set forth geographically specific pesticide use limitations for the protection of threatened and endangered (listed) species and their designated critical habitat.
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Solutia Inc. Facility Current Documents, Reports and Graphics for 2015
Documents, Reports and Graphics for Solutia Inc.
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Guidance Documents on Substantial Risk Notifications under TSCA
Guidance documents for TSCA Section 8(e) which states 'Any person who manufactures a chemical substance and obtains information that the chemical is harmful to health or the environment shall inform the EPA.'
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EPA Requires California’s Central Valley Meat Company to Improve Chemical Safety
EPA News Release: EPA Requires California’s Central Valley Meat Company to Improve Chemical Safety
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RadTown Radon Activity 3: Indoor Radon Levels
Radon is a threat to health because it tends to collect inside homes and buildings, sometimes to high levels, and can cause lung cancer. In this activity, students will learn more about how to test their homes for radon, and will learn about radon levels.
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Children’s Health Risk Assessment Tools and Guidance
Find EPA children's health risk assessment tools, guidance and framework.
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RadTown Radon Activity 2: Radon Vacuum
Homes and buildings draw radon into basements, pipes, and lower floors. Using this NGSS and CCSS aligned activity, students can learn more about radon in their homes and schools.
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Sole Source Aquifer Project Review
Guidance on the EPA's review process for proposed federal financially-assisted projects which lie within the identified project review area.
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Alabama Sinkhole Locations
Endangered Species Protection Bulletins set forth geographically specific pesticide use limitations for the protection of threatened and endangered (listed) species and their designated critical habitat.
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Texas plants habitat photos
Endangered Species Protection Bulletins set forth geographically specific pesticide use limitations for the protection of threatened and endangered (listed) species and their designated critical habitat.
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SPECIATE Documentation
This page links to the PDF called "The development and uses of EPA’s SPECIATE database"
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Threshold determination for a single process with oleum and sulfur trioxide
Oleum, which is a mixture of sulfuric acid and sulfur trioxide, is listed as a regulated toxic substance in 40 CFR §68.130. Sulfur trioxide is also listed individually as a regulated toxic substance. If a single process consists of one vessel containing oleum and one vessel containing sulfur trioxide, must…
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Change of Ownership
If a facility that is subject to the risk management program regulations in 40 CFR Part 68 is sold to another owner, is the facility required to make a correction or a full update of its risk management plan (RMP)? If there are no changes in the covered operations at…
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Which chemicals are covered by the general duty provisions?
For CAA section 112(r)(1), General Duty, what are the chemicals that are covered? There is no specific list of substances which subject a stationary source owner or operator to the general duty provisions. The general duty provisions apply to owners and operators of all stationary sources which have any "extremely…