Upon receipt of an application for a certificate of compliance, the department shall cause an inspection to be made of the industrial waste treatment facility or pretreatment device for compliance with statutory requirements and these rules. In the case of pretreatment devices, the applicant shall secure from the chief administrator of the municipal sewer system a statement that the pretreatment device was installed pursuant to his approval and that such pretreatment device is accomplishing the necessary treatment, neutralization or stabilization, to produce an effluent which is in conformance with the municipal sewer use ordinance, and submit the statement in support of the application.