14.16.330 Pretreatment sludges—Unusual waste concentrations.

Materials which exert or cause:

(A) Unusual concentrations of inert suspended solids;

(B) Excessive discoloration;

(C) Unusual B.O.D., chemical oxygen demand, or chlorine requirements in such quantities as to constitute a significant load on the sewage treatment plant;

(D) Unusual volume of flow, including slug discharges;

(E) Oxygen demanding pollutants discharged at a concentration or volume that will cause interference;

(F) Pollutants in quantities at a concentration or volume that may cause excessive foaming in the treatment works or POTW discharge.