Section 327 IAC 8-2.5-3 - Maximum residual disinfectant levelsAuthority: IC 13-13-5-1; IC 13-14-8-2; IC 13-14-8-7; IC 13-18-3-2
Affected: IC 13-12-3-1; IC 13-13-5-2; IC 13-14-9; IC 13-18-11
Sec. 3.
(a) MRDLs are as follows: | Disinfectant Residual | MRDL (mg/L) |
| Chlorine | 4.0 (as Cl2) |
| Chloramines | 4.0 (as Cl2) |
| Chlorine dioxide | 0.8 (as ClO2) |
(b) The commissioner hereby identifies the following as the best technology, treatment techniques, or other means available for achieving compliance with the MRDLs identified in subsection (a):(1) Control of treatment processes to reduce disinfectant demand.(2) Control of disinfection treatment processes to reduce disinfectant levels.Water Pollution Control Board; 327 IAC 8-2.5-3; filed May 1, 2003, 12:00 p.m.: 26 IR 2840