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Applicability Determination Index (ADI)

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The Applicability Determination Index (ADI) is a database that contains memoranda issued by EPA on applicability and compliance issues associated with the New Source Performance Standards (NSPS), National Emissions Standards for Hazardous Air Pollutants (with categories for both NESHAP, Part 61, and MACT, Part 63), and chlorofluorocarbons (CFC). There are also separate categories for asbestos (Part 61, Subpart M) and woodstoves (Part 60, Subpart AAA). Recently issued determinations are added to the database on a quarterly basis.

The Office of Enforcement and Compliance Assurances (OECA), Manufacturing, Energy and Transportation Division (METD) maintains the database. Both Macintosh and IBM-compatible PC users can access ADI. For information on how to use the ADI, including access to the system and searching, viewing, and downloading information, select the 'Search ADI' link at the top of this page.

ADI allows users to search for determinations by a combination of subparts, regulatory citations (references), issue dates, EPA Region/office and word search strings connected with an "AND" or an "OR." Users can then view information from the determinations found including the header (which gives basic data about the determination), the determination abstract, or the full text of the determination. ADI users can tag one or more determinations to download to their computers. The downloaded information will be in an ASCII text file that can be read or printed using their word processor or a text editor.

 

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