A final decision by the WRD Manager to adopt a rule establishing or modifying technically based local limits may be appealed by RVSS or any industrial user. A final decision by the WRD Manager concerning the issuance, denial or modification of an industrial waste discharge permit, concerning an alleged violation of this chapter or penalty therefor, or concerning a service charge for industrial waste may be appealed by the user affected by such action. Such decisions may be appealed to the Regional Committee by mailing a written notice of appeal to the WRD Manager not later than 21 days after the effective date of the decision or 21 days after notice was mailed or otherwise given to the person, whichever is later. All appeals shall be first considered by the Technical Advisory Group, which shall make a recommendation to the Regional Committee. The matter shall be decided by the Regional Committee within 60 days after receipt of the notice of appeal. The decision of the Regional Committee on the appeal shall be final and binding.