N.H. Code Admin. R. Env-Ws 347.05

Current through Register No. 25, June 20, 2024
Section Env-Ws 347.05 - BAT Disinfection Byproducts

The technology listed in Table 347-3 below shall be the best technology, treatment technique, or other means available for achieving compliance with the MCL level for disinfection byproducts as specified in Env-Ws 315.03:

Table 347-3

BAT For Disinfection Byproducts

Disinfection ByproductBest available technology
TTHM Enhanced coagulation or enhanced softening or GAC10, with chlorine as the primary and residual disinfectant
HAA5 Enhanced coagulation or enhanced softening or GAC10, with chlorine as the primary and residual disinfectant.
Bromate Control of ozone treatment process to reduce production of bromate.
Chlorite Control of treatment processes to reduce disinfectant demand and control of disinfection treatment processes to reduce disinfectant levels.

N.H. Code Admin. R. Env-Ws 347.05

(See Revision Note at chapter heading Env-Ws 300) #6521, eff 6-4-97; ss by #7735, eff 8-2-02; ss by #8497, eff 11-30-05 (formerly Env-Ws 347.701 )