- (a) A design must include a sufficient number of sampling points to allow an operator to monitor the system. Sampling points must be identified in the report.
(b) Dissolved Oxygen (DO) Requirements.
- (1) A disinfection system must include post-aeration to ensure compliance with DO requirements in the facility's wastewater permit.
- (2) If the wastewater permit requires a minimum DO of 5.0 milligrams per liter or greater, the report must include the calculations that demonstrate how a post-aeration system will maintain the minimum DO level.
Source Note:The provisions of this §217.283 adopted to be effective August 28, 2008, 33 TexReg 6843.