NORTHEAST STATES WORRY OVER EPA GUIDE WAIVING SOME OZONE MANDATES

EPA's plan to continue waiving some nitrogen oxide (NOx) reduction requirements as states transition to implementing the agency's new 8-hour ozone rule is reviving Northeast states' concerns about potential increases in ozone transported from upwind states obtaining the exemptions, state sources say. EPA proposed in a Sept. 1 draft guidance -- which updates a 1993 guidance on ozone rule implementation -- to continue waiving NOx requirements under section 182(f) of the Clean Air Act in areas where lowering emissions can...