Workshop To Review Initial Draft Materials for the Nitrogen Oxides (NOX

As part of the review of the air quality criteria for nitrogen oxides (NOX) and sulfur oxides (SOX) secondary (welfare-based) National Ambient Air Quality Standards (NAAQS), the Environmental Protection Agency (EPA) is announcing a teleconference workshop to evaluate preliminary draft materials that will inform the development of the NOX and SOX Integrated Science Assessment (ISA) for ecological effects. The workshop is being organized by EPA's National Center for Environmental Assessment (NCEA) within the Office of Research and Development and will be held by teleconference from August 25-27, 2015. The workshop will be open to attendance by interested public observers on a first-come, first-served basis and participation will be by teleconference only.