(a) Prior to adopting a waste management plan for submission to the Agency, the county shall form an advisory committee, which shall include representatives from municipalities within the county, citizen organizations, industry, the private solid waste management industry operating within the county, local recyclers and any other persons deemed appropriate by the county. The advisory committee shall review the plan during its preparation, make suggestions and propose any changes it believes appropriate.
     (b) The county shall provide written notice to all municipalities and interested members of the public when plan development begins and shall provide periodic written progress reports to such entities concerning the preparation of the plan.
     (c) Prior to adoption by the governing body of the county, the county shall submit copies of the proposed plan for review and comment to the Agency, all municipalities within the county, all areawide planning agencies and the county health department. The county shall also make the proposed plan available for public review and comment. The period for review and comment shall be 90 days. The county shall hold at least one public hearing on the proposed plan during this period. The plan subsequently submitted to the governing body of the county for adoption shall be accompanied by a document containing written responses to substantive comments made during the comment period.
     (d) The governing body of the county shall adopt a plan within 60 days from the end of the public comment period. Within 10 days of adoption, the plan shall be submitted to the Agency for review.
     (e) Each county waste management plan shall be updated and reviewed every 5 years, and any necessary or appropriate revisions shall be submitted to the Agency for review and comment.