Category: Special Topics in Environmental Management

Water, groundwater

EPA Issues Interpretive Statement on CWA, NPDES, and Groundwater

In a lengthy interpretive statement, the EPA takes the position that a pollutant discharged from a point source, which reaches a water of the United States via a hydrologic connection provided by groundwater, is not subject to permitting under the Clean Water Act’s (CWA) National Pollutant Discharge Elimination System (NPDES).

incinerator

Incinerator Rules Clarified by EPA

In a final rule, the EPA is amending technical provisions of its 2016 New Source Performance Standards (NSPS) and Emission Guidelines (EG) for Commercial and Industrial Solid Waste Incinerators (CISWIs). Most of the amendments respond to requests for clarification the Agency received from industry stakeholders and implementing agencies following the 2016 action.

Clean energy, green city, solar panels

Cities Take Action on Renewable Energy, Reduction of GHG Emissions

Hundreds of U.S. cities of all sizes are not waiting for the federal government to recommit to reducing greenhouse gas (GHG) emissions and regain its position as the world leader in stemming climate change. At an April 2, 2019, House hearing, the mayors of three of those cities told their stories of commitment to a […]

Motor Oil

Recyclable Used Oil: Avoiding PCB Contamination

In a 2018 fact sheet, the EPA discussed the persistent problem of oil contaminated with polychlorinated biphenyls (PCBs) getting inadvertently mixed with recyclable used motor oil. Based on the Agency’s experience with mixing incidents, the fact sheet summarizes best management practices (BMPs) that both oil collection centers and recyclers can use to ensure that PCB-contaminated […]