Part 21 - APPROVAL OF CHEMICALS AND OTHER MATERIALS
- Section R. 325.12101 - Purpose
- Section R. 325.12102 - Approval of chemicals and other materials
- Section R. 325.12103 - Approval criteria
- Section R. 325.12104 - Change in product designation or composition
- Section R. 325.12105 - Generic approval
- Section R. 325.12106 - Specific approval of proprietary products
- Section R. 325.12107 - Form of approval
- Section R. 325.12108 - Rescission or suspension of approval
- Section R. 325.12109 - Introduction of chemical or material into waterworks system by unauthorized person prohibited
- Section R. 325.12110 - Effect of approval