A. 
No person shall discharge or cause to be discharged to the City wastewater treatment system wastewaters containing substances subject to an applicable Federal Categorical Pretreatment Standard promulgated by EPA, in excess of the quantity prescribed in such applicable pretreatment standards except as otherwise provided in this section.
B. 
The Director shall notify the affected industrial users of the required schedule for obtaining compliance with the applicable pretreatment standards, however, new sources shall initially comply with the existing pretreatment standards. The allowance of a time period in order to achieve compliance with the pretreatment standards will in no case be interpreted to allow any industry to discharge wastes in the interim that interfere with the wastewater treatment works complying with its existing SPDES permit or violate any provision of this chapter. City review, control and monitoring of the industrial discharges will be in accordance with Article VI.
C. 
Upon application by an industrial user, the Director may, at his discretion, revise any limitations on substances specified in the applicable pretreatment standards to reflect removal of the substances by the wastewater treatment facility. The revised discharge limit for specified substance shall be derived in accordance with the Act.
D. 
Upon application by an industrial user, the Director may, at his discretion, adjust any limitation on substances specified in the applicable pretreatment standards to consider factors relating to such user which are fundamentally different from the factors considered by EPA during the development of the pretreatment standard. Requests for and determinations of a fundamentally different adjustment shall be in accordance with the Act.
E. 
At the City's discretion, the cost to the City for all or a portion of the services necessary to implement this section shall be paid for by the industrial user. The City's work in planning for new sewer services or revisions to an existing sewer service will not be carried out without prior agreement by the industrial user for payment of the costs, including but not limited to administrative, engineering, laboratory and legal costs incurred by the City in connection with work.