Learn the Issues
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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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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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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.
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Disinfectants for Use Against Rabbit Hemorrhagic Disease Virus (RHDV2) [List O]
Search EPA’s list of registered disinfectants for use against SARS-CoV-2, the virus that causes the novel coronavirus (COVID-19).
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Enbridge Consent Decree Section VII.C. Hydrostatic Pressure Testing
Consent Decree deliverables, such and plans and reports that are submitted pursuant to the terms of the Consent Decree, are posted below.
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Map of Success Stories
A map of success stories told in video presentations, completed applications, and descriptions
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Verify Module for Reporting A/C and Off-Cycle GHG Credits for Light-Duty Vehicle and Truck Manufacturers
This EPA presentation provides information on using the new Verify module, streamlining the process required to electronically submit annual reporting of air conditioning (A/C) and off-cycle GHG credits for light duty manufacturers.
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Am I required to register biodiesel? How would I do that?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Manufacturers/importers of biodiesel for on-road use are required to register the fuel with the EPA. To register, see Register or Update a Fuel or Fuel Additive Request under 40 CFR Part 79 . Additionally, please attach the following…
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How do I register renewable diesel?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Manufacturers/importers of renewable diesel for on-road use are required to register the fuel with the EPA. To register, see Register or Update a Fuel or Fuel Additive Request under 40 CFR Part 79 . Please indicate “renewable diesel”…
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I am no longer producing a particular fuel or fuel additive. How do I deactivate the registration?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Deactivation request information is available here: Deactivate a Fuel or Fuel Additive Product in OTAQREG .