1. (a) Each component of a primary disinfection system shall comply with Env-Wq 1108.22(a)(1).

2. (b) A PBF shall use at least one of the following primary disinfection methods in order to meet the water quality standards specified in Env-Wq 1108.12 and Env-Wq 1108.13 for each PBF:

   1. (1) A positive displacement pump type disinfection unit providing hypochlorination;
   2. (2) A disinfection unit that controls the rate of hypochlorite or bromine tablet erosion; or
   3. (3) A salt electrolytic chlorine generator.
3. (c) A disinfection unit as specified in (b)(1) or (2), above, shall be capable of feeding at a rate to permit a free residual chlorine concentration of 10 mg/L or a free residual bromine concentration of 22.5 mg/L to be maintained in the pool.

4. (d) A salt electrolytic chlorine generator (ECG) as specified in (b)(3), above, shall:

   1. (1) Have a total dissolved solids (TDS) readout, a low salt indicator, and integrated pH monitoring and management;
   2. (2) Have a feed rate that is adjustable from zero to full range;
   3. (3) Be capable of providing a chlorine dosage equivalent to 100% of the total daily requirement during peak bather load;
   4. (4) Be installed according to manufacturer’s instructions; and
   5. (5) Maintain the saline content of the pool or spa water in the required range specified by the manufacturer.
5. (e) Gaseous chlorine shall not be used as a disinfection method.
6. (f) Stabilized chlorine or bromine shall not be used as a disinfection method for indoor facilities.

7. (g) Each disinfection unit and ECG shall be:

   1. (1) Installed in accordance with the manufacturer's instructions; and
   2. (2) Wired such that the chemical feed equipment cannot operate when circulation flow stops.

Source. #10577, eff 5-1-14 (See Revision Note #2 at chapter heading for Env-Wq 1100); ss by #13198, eff 5-1-21 (see Revision Note #3 at chapter heading for Env-Wq 1100) (formerly Env-Wq 1106.08)