Learn the Issues
-
Background on Federal Indian Country Minor New Source Review
Tribal NSR Information
-
Drinking Water System Compliance at Joint Base Pearl Harbor-Hickam
Overview of the drinking water emergency affecting Joint Base Pearl Harbor-Hickam, with links to resources and news releases, and a description of what EPA is doing to assist our federal and state partners.
-
Alternative Fuels and E85 Fuel
A hub page provides links to alternative fuels and E85 fuel pages.
-
E85 Fuel
E85 is a blend of 85 percent denatured ethanol and 15 percent gasoline and is the highest ethanol fuel blend available in the market. Basic information on E85 is here.
-
Advance Notice of Proposed Rulemaking for Minor Source Permitting in Indian Country, May 22, 2014
Advance Notice of Proposed Rulemaking for Minor Source Permitting in Indian Country, May 22, 2014
-
6 Source Categories - Sawmill Facilities (Final Action)
EPA is proposing options to simplify the Clean Air Act permitting process for certain smaller sources of air pollution commonly found in Indian country.
-
6 Source Categories - Concrete Batch Plants (Proposed Action)
EPA is proposing options to simplify the Clean Air Act permitting process for certain smaller sources of air pollution commonly found in Indian country.
-
Lifecycle Analysis of Greenhouse Gas Emissions under the Renewable Fuel Standard
This page provides guidance on how a company may petition EPA for a new renewable fuel pathway.
-
Suspension of Vessel Traffic at Port of Baltimore: Current Status and Potential Impact on Supply Chain Disruptions
Potential water chemical supply chain disruptions due to the suspension of Vessel Traffic at Port of Baltimore.
-
Join a Water Utility Decontamination Tabletop Exercise
Members of the water sector and supporting partners can request a decontamination exercise.
-
Ozone Designations Regulatory Actions
chronological listing of all regulatory actions related to designations for the 2015 ozone standard
-
Extension of Deadline for Area Designations for 2015 Ozone Standards
2015 Ozone NAAQS,
-
Overview of the Renewable Fuel Standard Program
The brief information is provided to help you understanding renewable fuel standard program.
-
Gonzales, Louisiana Explores Transportation Electrification Opportunities
Case study about using a workshop on transportation electrification in Gonzales, Louisiana, through OCR's technical assistance.
-
AVERT Overview
AVERT Overview
-
Water Affordability Case Studies
Water affordability is the ability of an individual household to pay for essential water services bills, including drinking water, wastewater, and stormwater, without sacrificing other household needs.
-
Contacts for the Green-Duwamish Watershed
Contact information for the Urban Waters Federal Partnership with the Green-Duwamish Watershed
-
Fuel Oxygenates and USTs
Learn about fuel oxygenates, which are used as a fuel additive and octane enhancer in reformulated gasoline, oxygenated fuel, and premium grades of unleaded gasoline.
-
Safe Drinking Water Act (SDWA)
An overview of the Safe Drinking Water Act and other information on specific aspects of the law as implemented in regulation and guidance
-
Petroleum Vapor Intrusion
One type of vapor intrusion is PVI, in which vapors from petroleum hydrocarbons such as gasoline, diesel, or jet fuel enter a building. Intrusion of contaminant vapors into indoor spaces is of concern.