Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
Appendix - Table 7 to Subpart IIIII of Part 63—Required Elements of Washdown Plans

As stated in § 63.8192, your written washdown plan must address the elements contained in the following table:

For each of the following areas . . . You must establish the following as part of your plan . . .
1. Center aisles of cell roomsA description of the manner of washdown of the area, and the washdown frequency for the area.
2. Electrolyzers
3. End boxes and areas under end boxes
4. Decomposers and areas under decomposers
5. Caustic baskets and areas around caustic baskets
6. Hydrogen system piping
7. Basement floor of cell rooms
8. Tanks
9. Pillars and beams in cell rooms
10. Mercury cell repair areas
11. Maintenance shop areas
12. Work tables
13. Mercury thermal recovery units
14. Storage areas for mercury-containing wastes
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.