15A NCAC 18C .0702      AIR MIXING

Diffused air mixing may be used only in conjunction with mechanical or baffled mixers.

History Note:        Authority G.S. 130A‑315; 130A‑317; P.L. 93‑523;

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.