Diffused air mixing may be used only in conjunction with mechanical or baffled mixers.
15A N.C. Admin. Code 18C .0702
Eff. January 1, 1977;
Readopted Eff. December 5, 1977;
Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. November 23, 2015.
Eff. 1/1/1977;
Readopted Eff. 12/5/1977.