The responsibility for administering the provisions of this chapter, and for assuring an appropriate state response to alleged violations thereof, shall be assigned in the following manner:

1. (a) The commissioner of DPH shall be responsible for the administration of sections four through six, twelve and twenty, which relate to the establishment and amendment of the Massachusetts substance list, the dissemination of information pertaining to toxic or hazardous substances, the granting of certain waivers or alternative conditions to the disclosure requirements contained in this chapter, and trade secrets.
2. (b) The commissioner of DOL shall be responsible for the administration of sections seven through eleven, and thirteen through fifteen, which define the rights and duties of employees and employers under this chapter.

3. (c) The commissioner of DEP, on behalf of the commonwealth, and the municipal coordinator of each city or town, on its behalf, shall be responsible for the administration of sections sixteen through nineteen, which relate to requests by state officials, municipal officials, and community residents for actions and information available under this chapter.

   The commissioners of the DPH, DOL, and DEP shall have the authority to promulgate rules and regulations necessary to carry out their respective responsibilities under this chapter. In order to avoid the promulgation of conflicting rules and regulations, the commissioners shall take such steps as are necessary to assure that proposed rules and regulations are consistent with the rules and regulations of the other departments with responsibilities under this chapter in conformance with the statutory responsibilities set forth herein. Said rules and regulations shall be promulgated in accordance with chapter thirty A, no later than one hundred and eighty days after the date of enactment of this chapter.