N.H. Code Admin. R. Env-Wq 712.03

Current through Register No. 25, June 20, 2024
Section Env-Wq 712.03 - Chemical Coagulation: Process Impacts

Chemical coagulation shall not be used unless the owner first evaluates the following potential impacts due to chemical addition:

(a) Increased sludge production;
(b) Change in sludge thickening and dewatering characteristics;
(c) Biological phosphorous removal and denitrification capability;
(d) Sludge settling characteristics in subsequent treatment processes; and
(e) Increased operation and maintenance costs of the chemical feed system.

N.H. Code Admin. R. Env-Wq 712.03

(See Revision Note at chapter heading for Env-Wq 700) #8590, eff 3-25-06

Amended byVolume XXXIV Number 46, Filed November 13, 2014, Proposed by #10693, Effective 10/15/2014, Expires10/15/2024.