The control of treatment processes to reduce disinfectant demand and control of disinfection treatment processes to reduce disinfectant levels shall be the best available technology, treatment technique, or means available for achieving compliance with the maximum residual disinfectant levels specified in Table 315-5.
N.H. Admin. Code § Env-Ws 346.05
#7735, eff 8-2-02; ss by #8497, eff 11-30-05