RACT/BACT/LAER Clearninghouse (RBLC)

The RACT/BACT/LAER Clearinghouse (RBLC) is a database managed by the Environmental Protection Agency’s Office of State Air Partnerships (OSAP) used to store and search air pollution control information from New Source Review (NSR) preconstruction permits. The RBLC collects information related to three major air pollution control technology requirements under the Clean Air Act: RACT, which stands for Reasonably Available Control Technology and applies to existing sources in nonattainment areas; BACT, or Best Available Control Technology, which applies to new or modified major stationary sources in attainment areas; and LAER, or Lowest Achievable Emission Rate, which applies to new or modified major stationary sources in nonattainment areas. The RBLC Search Dashboard allows users to search this information in two ways: a Permit Keyword Search, which looks for exact matches based on facility, process, or control technology keywords and returns results at the facility/permit level, and an Emission Limit Search, which searches by pollutant, process name, control method, facility state, or facility name and returns results at the emission-limit level. The dashboard is not designed to search for RACT or RACM information, and those materials are instead available through EPA’s RACM/RACT Compendium of Control Measures. Search results can be exported to Excel in different formats depending on the search type: Permit Keyword Search results can be exported either as a summary table or as a more detailed emission-limits file, while Emission Limit Search results can only be exported in the detailed emission-limits format. The exported files may include links to permit-related documents such as draft permits, fact sheets, response-to-comments documents, and final permits, and additional permit information may also be available through EPA’s Permit Hub.

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