Learn the Issues
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Methane Emissions from the Oil and Gas Sector
EPA’s Voluntary Methane Programs encourage oil and natural gas companies to adopt cost-effective technologies and practices that improve operational efficiency and reduce emissions of methane, a potent greenhouse gas.
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R9UIC-CA1-FY15-2R: Hilmar Cheese Company, Hilmar, CA
Class I Non-hazardous Waste Injection Well Permit No. R9UIC-CA1-FY15-2R and appendices issued to Hilmar Cheese Company, Hilmar, California (Formerly CA10500001).
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Radioactive Fallout From Nuclear Weapons Testing
After a nuclear explosion, debris and soil can mix with radionuclides. This mixture is sent up into the air and then falls back to Earth. It is called fallout and it typically contains hundreds of different radionuclides.
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Mail Irradiation
During the irradiation process, mail must pass through a high energy beam of ionizing radiation in order to kill harmful bacteria. Irradiation does not make the mail radioactive.
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Food Irradiation
Food irradiation can help prevent foodborne illness, also known as food poisoning. Food irradiation does not make food radioactive.
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Underground Storage Tanks
Provides information about preventing and cleaning up releases from underground storage tanks.
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Releases from Underground Storage Tanks
Learn about cleaning up releases from underground storage tanks.
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Documents for NPDES Permit – Grand Portage Wastewater Sewage Lagoon – Grand Portage Indian Reservation
EPA final NPDES permit for the treated wastewater discharges from the Grand Portage Wastewater Sewage Lagoon located within the boundaries of the Grand Portage Indian Reservation located in Grand Portage, Minnesota.
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Michigan Events and Public Notices
Collection of news releases and public notices for Michigan
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Indiana Events and Public Notices
Collection of news releases and public notices for Indiana
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Smoke Readiness Social Media Messages
Sample social media messaging about smoke readiness and safety during smoke events. Tips about staying indoors, air cleaners, clean rooms, and where to find updates.
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Animal Feeding Operations - Outreach and Education
EPA worked with the U.S. Department of Agriculture Natural Resources Conservation Service and the Animal Agriculture Discussion Group to develop education, outreach, and training materials to facilitate improved understanding of livestock and poultry.
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Wisconsin Events and Public Notices
Collection of news releases and public notices for Wisconsin
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Ohio Events and Public Notices
Collection of news releases and public notices for Ohio
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SH Bell Chicago Pollution Roses images
sh bell pollution roses managanese
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What are the differences between Tier I and Tier II forms?
The reporting under Section 312 is in two tiers, Tier I and Tier II. What are the general differences between the two forms? Section 312 includes a two tier approach. Tier I requires information (such as maximum amount of hazardous chemicals at the facility during the preceding year, an estimate…
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Are on-site contractors responsible for EHSs brought on-site?
For Section 302 purposes, if a contractor brings an extremely hazardous substance (EHS) on-site to a facility over the threshold planning quantity, is the owner/operator of the facility or the contractor required to make the notification to the LEPC? For Section 304 purposes, if a contractor bursts a tank at…
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Trouble importing previous Tier2 Submit data
I’m having trouble importing previous Tier2 Submit data into the current version of Tier2 Submit; what should I do? It is possible that the file has been corrupted or that the format is incompatible with the Tier2 Submit software. Note that Tier2 Submit can only import files that were made…
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What is the 312 deadline if March 1 falls on a weekend?
Under EPCRA §312, Tier II information for any calendar year must be submitted to the State Emergency Response Commission (SERC), Local Emergency Planning Committee (LEPC), and local fire department by March 1st of the following year. What if the March 1st reporting deadline falls on a Saturday or Sunday? Tier…
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Are the quantities of different hazardous constituents additive?
In determining whether a Reportable Quantity (RQ) has been released, are the quantities of different hazardous constituents additive under the mixture rule? No. RQs of different substances are not additive under the mixture rule; releasing a mixture containing half an RQ of one hazardous substance (other than radionuclides) and half…