Learn the Issues
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Why are the potentially responsible parties at the site allowed to help design the cleanup plan?
EPA has a longstanding policy to pursue "enforcement first" throughout the Superfund cleanup process. Existing EPA guidance emphasizes that a major component of the "enforcement first" policy is that potentially responsible parties should conduct remedial actions whenever possible. Under the existing Consent Decree, the potentially responsible parties (PRPs) are required…
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What work are the potentially responsible parties required to complete at Butte Priority Soils Operable Unit?
EPA will conduct oversight in consultation with the Montana Department of Environmental Quality (MDEQ) on all work to be implemented by Atlantic Richfield and Butte-Silver Bow County. Atlantic Richfield will perform work in the Butte Reduction Works, Northside Tailings, Diggings East, Buffalo Gulch, East Buffalo Gulch, and Grove Gulch areas…
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How does EPA ensure that the potentially responsible parties complete their work?
All cleanup activities performed by the PRPs are subject to enforcement instruments (i.e., consent decrees or administrative orders) that provide for EPA approval of all deliverables and oversight of all work performed by the PRPs.
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When will construction begin in the Silver-Bow Creek Corridor?
Construction in the Silver Bow Creek corridor began in 2024 with the Grove Gulch Project.
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Can you explain who has authority over the active mine vs the Superfund site?
The Montana Department of Environmental Quality has regulatory authority over the active mine. EPA is the lead agency for the Silver Bow Creek/Butte Area Superfund Site and works in consultation with MDEQ to ensure the cleanup of the Site.
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About the Automotive Trends Data
About the data for the light-duty vehicle carbon dioxide and fuel economy trends report.
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Data for the Automotive Trends Report
Data for the light-duty vehicles, including EPA's criteria pollutant and GHG standards.
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Download the Automotive Trends Report
Download the light-duty vehicle carbon dioxide and fuel economy trends report.
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Introduction to the Automotive Trends Report
Introductory information for light-duty vehicle greenhouse gas (GHG) emissions, fuel economy, technology data, and auto manufacturers' performance in meeting EPA's GHG emissions standards.
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Tribal Air Emission Inventories
These documents provide guidance to tribes and EPA Regional Offices on how to create emission inventories
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Extension to Minor NSR Permitting Deadline for Oil and Gas Resources
EPA is proposing a Federal Implementation Plan rule that would apply to new true minor sources and minor modifications at existing true minor sources in the production segment of the oil and natural gas sector
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EnviroAtlas Update Bulletin
Summarizes the most recent updates to EnviroAtlas content, tools, and functionality.
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Highlights of the Automotive Trends Report
Highlights of the light-duty vehicle carbon dioxide and fuel economy trends report.
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Download the 2024 Automotive Trends Report
Download the light-duty vehicle carbon dioxide and fuel economy trends report.
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CIMC - How to Link to the Map or Site Profiles
This page provides information on how to link to a particular view of the Cleanups in My Community map, or link to a particular cleanup profile from your web page.
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CHP Screening Tool
Download the CHP Emissions Calculator, a tool that calculates the difference between the anticipated carbon dioxide, methane, nitrous oxide, sulfur dioxide, and nitrogen oxide emissions from a CHP system to those of a separate heat and power system.
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CHP Technologies
Learn about CHP technologies, including reciprocating engines, combustion turbines, steam turbines, microturbines, fuel cells, and waste heat to power. Access the Catalog of CHP Technologies and the Biomass CHP Catalog of Technologies.
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Effects of Acid Rain
Overview of the effects of acid rain on ecosystems, plant life, wildlife and man-made structures.
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Radiological Emergency Response
This page describes the activities of EPA's Radiological Emergency Response Team (RERT) and provides links to information about radiological emergency response.