Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter R - Toxic Substances Control Act |
Part 749 - Water Treatment Chemicals |
Subpart D - Air Conditioning and Cooling Systems |
§ 749.68 - Hexavalent chromium-based water treatment chemicals in cooling systems. |