When, in the opinion of the Director of Public Works, a proposed discharge of wastewater:will constitute:a hazard to health, safety, or operation of the sewer system; or a violation of <cite data-path="|25">this article</cite> or of a waste hauler permit condition; or may cause the violation of any restriction upon discharges from the sewer system, the Director may refuse discharge of said wastewater to the sewer system. The Director:may order any discharge in progress to be stopped; or may order any waste hauler not to discharge into the sewer system. A scavenger vehicle which contained wastewater refused by the Director shall be emptied and the storage tank and lines through which the refused wastewater passed shall be thoroughly cleaned before collecting any wastewater to be discharged into the sewer system. City Code, 1976/83, art. 25, §10(e) Ord. 84-129 Ord. 91-775