15A NCAC 08G .0306      CLASSIFICATION OF PHYSICAL/CHEMICAL WATER POLLUTION CONTROL TREATMENT SYSTEMS

(a)  Any water pollution control system, including systems designed for the remediation of contaminated groundwater, that utilizes a physical process to treat wastewaters shall be classified as a Grade I Physical/Chemical Water Pollution Control System.

(b)  Any water pollution control system that utilizes a chemical process to treat wastewaters, including those systems whose treatment processes are augmented by physical processes, shall be classified as a Grade II Physical/Chemical Water Pollution Control System. Any reverse osmosis, electrodialysis, and ultrafiltration system shall be classified as a Grade II Physical/Chemical Water Pollution Control System.

(c)  Any water pollution control system that has as part of its treatment process a biological water pollution control system shall be subject to additional classification as a biological water pollution control system.

(d)  Any water pollution control system subject to classification under Rule .0302 of this Section utilizing a physical or chemical process to enhance an activated sludge or fixed growth process shall not be subject to additional classification under this Rule.

History Note:        Authority G.S. 90A-37;

Eff. April 1, 1999;

Amended Eff. December 1, 2006;

Readopted Eff. September 1, 2018.