Learn the Issues
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Previous Events in New England
Information and resources for previous events in New England.
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Air Enforcement Policy, Guidance and Publications
Listing of air enforcement policy and guidance documents and publications.
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EPA Celebrates Pacific Islands Zero Waste and Resilience Accomplishments
Guam, the CNMI and American Samoa Made Significant Progress
EPA News Release: EPA Celebrates Pacific Islands Zero Waste and Resilience Accomplishments
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EPA Announces $500,000 to Nevada’s Nye Communities Coalition for Job Training
EPA News Release: EPA Announces $500,000 to Nevada’s Nye Communities Coalition for Job Training
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EPA issues first ever underground injection permits for carbon sequestration in California
Carbon sequestration will be used at Kern County site to reduce carbon dioxide emissions and mitigate climate change
EPA News Release: EPA issues first ever underground injection permits for carbon sequestration in California
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Josh F.W. Cook appointed as EPA Pacific Southwest Regional Administrator
EPA News Release: Josh F.W. Cook appointed as EPA Pacific Southwest Regional Administrator
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Oasis Mobile Home Park Public Water System; Thermal, CA
Oasis Mobile Home Park is located in Thermal, CA, in the Eastern Coachella Valley. The Park’s drinking water system uses groundwater that has naturally occurring arsenic. Arsenic is a known carcinogen.
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EPA's Research Efforts to Protect Public and Environmental Health from Wildland Fire Smoke
Stay informed, stay prepared, and we can mitigate the effects and challenges of wildland fire smoke together.
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How's Your School's Air Quality?
As teachers, staff, and students all get ready to head back to the classroom, it’s also important to ensure that our schools welcome these important people back into a healthy learning environment.
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Regulation of Formaldehyde Under the Federal Insecticide, Fungicide, and Rodenticide Act
Certain products containing formaldehyde are considered pesticides under federal law because they are intended to be used to control microorganisms and other pests
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Final June 2021 Agenda - Public Meeting Series to Inform Potential Revisions to Microbial and Disinfection Byproducts Rules
Final June 2021 Agenda - Public Meeting Series to Inform Potential Revisions to Microbial and Disinfection Byproducts Rules.
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Webinar: 2025 SmartWay Profiles in Leadership Overview
This EPA presentation provides information and a thorough demonstration on the 2025 SmartWay Truck Tool for SmartWay Truck Carrier Partners and Applicants.
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Saccharin Removed from CERCLA Hazardous Substance List
Is saccharin and its salts a CERCLA hazardous substance? On December 17, 2010 ( 75 FR 78918 ), EPA published a final rule to remove saccharin and its salts from the CERCLA list of hazardous substances and the RCRA list of hazardous wastes. EPA originally added saccharin to the CERCLA…
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Plastic Resins and EPCRA Section 311 / 312 Reporting
Are plastic resins such as polypropylene and polyethylene subject to Material Safety Data Sheet (MSDS) [also known as Safety Data Sheet (SDS)] Reporting under the Emergency Planning and Community Right-to-Know Act (EPCRA) Section 311 and Chemical Inventory (i.e., Tier II) Reporting under EPCRA Section 312? The reporting requirements of Sections…
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Tier II Trade Secret Package Must Include All Chemicals Subject to Reporting
The regulations at 40 CFR part 350 allows facilities to withhold certain chemical information when reporting under the Emergency Planning and Community Right-to-Know Act (EPCRA) if the facility claims those chemicals to be a trade secret. When submitting the required trade secret claim package for EPCRA section 312 (i.e., Tier…
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EHSs and the EPCRA emergency planning requirements
What is purpose of the list of extremely hazardous substances in regards to the emergency planning requirements of EPCRA? The extremely hazardous substances list and its threshold planning quantities are intended to help communities focus on the substances and facilities of most immediate concern for emergency planning and response. However…
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Does hydrogen sulfide present in the ground count towards the TPQ and RQ?
A petroleum company is drilling for oil contained in the ground below their facility. Would the hydrogen sulfide present in the ground be counted toward the threshold planning quantity (TPQ) for this extremely hazardous substance (EHS) under Section 302? Also, if there is a reportable release of this EHS above…
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Calculating vulnerability zone distances for EHSs in solutions
When calculating vulnerability zone distances, how would the quantity released (QR) be handled for an extremely hazardous substance (EHS) in solution? If the EHS is in solution, a facility can make a rough estimate of the QR using equation (1) on page G-2 of the "Technical Guidance for Hazards Analysis."…
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Revised Hazard Categories for EPCRA 311 / 312 Reporting
On March 26 2012, the Occupational Safety and Health Administration (OSHA) revised its Hazard Communication Standard (HCS) by adopting the United Nations Globally Harmonization System of Classification and Labeling of Chemicals (GHS). Based on the new classification criteria that OSHA adopted, EPA revised the existing hazard categories for hazardous chemical…
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EPA’s Registered Antimicrobial Products Effective Against Ebola Virus [List L]
This list of registered disinfectants meets the Center for Disease Control’s (CDC) criteria for use against the Ebola virus on hard, non-porous surfaces.