EPA sends air permit screening tools for OMB review

EPA on Feb. 6 sent for White House Office of Management and Budget (OMB) pre-publication review guidance on “significant impact levels” (SILs), which are screening tools used by air regulators and industry to determine an industrial project’s compliance with federal air quality standards, according to OMB’s website. In the guidance, EPA addresses SILs for ozone and fine particulate matter (PM2.5). SILs are helpful to industry project developers seeking to determine whether they need to conduct a full-blown analysis of the...