Tag: RULEMAKING


EPA Clarifies RPA Regulations

I recently published a blog post about proposed revisions to the regulations governing the National Pollutant Discharge Elimination System (NPDES) program. In addition to clarifying the conditions under which a dilution allowance can be granted, EPA proposes to revise how states conduct reasonable potential determinations (e.g., Reasonable Potential Analysis, or RPA) by requiring that the […]


Is Dilution the Solution?

On May 18, 2016, the EPA published proposed revisions to the regulations governing the National Pollutant Discharge Elimination System (NPDES) program. One of the proposed revisions is to adjust how states grant allowances for dilution. Currently, federal regulations at 40 CFR 122.44(d)(1)(ii) allow states to account for, where appropriate, the dilution of effluent in the […]


EPA TO EXPAND TRI REPORTING TO NATURAL GAS PROCESSING PLANTS

The U.S. Environmental Protection Agency (EPA) will propose regulations requiring natural gas processing plants to start reporting emissions of toxic chemicals they release in response to an environmental justice lawsuit brought by the Environmental Integrity Project and nine partner organizations which sued the agency in January 2015 following its October 2012 petition. The EPA estimates […]