{"data":{"id":"us/40-cfr-table-7-to-subpart-iiiii-of-part-63","jurisdiction":"us","citation":"40 CFR Table 7 to Subpart IIIII of Part 63","heading":"Table 7 to Subpart IIIII of Part 63—Required Elements of Washdown Plans","body":"As stated in § 63.8192, your written washdown plan must address the elements contained in the following table:\nFor each of the following areas . . . You must establish the following as part of your plan . . .\n1. Center aisles of cell rooms A description of the manner of washdown of the area, and the washdown frequency for the area.\n2. Electrolyzers\n3. End boxes and areas under end boxes\n4. Decomposers and areas under decomposers\n5. Caustic baskets and areas around caustic baskets\n6. Hydrogen system piping\n7. Basement floor of cell rooms\n8. Tanks\n9. Pillars and beams in cell rooms\n10. Mercury cell repair areas\n11. Maintenance shop areas\n12. Work tables\n13. Mercury thermal recovery units\n14. Storage areas for mercury-containing wastes","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart IIIII—National Emission Standards for Hazardous Air Pollutants for Mercury Cell Chlor-Alkali Plants"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"1e4de4dce2a6bb048e5b1319ac80faea22bda09456fd674c6e19af027b7227be","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-6-to-subpart-iiiii-of-part-63","next":"us/40-cfr-table-8-to-subpart-iiiii-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}