1. The board shall adopt, amend, and promulgate in the manner provided by law, and enforce rules and regulations pertaining to the construction and abandonment of wells, and the permitting of operators and contractors under sections 256.600 to 256.640.
2. The board shall specify by rule and regulation the types of materials which may be used as a coolant in a heat pump well. Preference shall be given to those coolants which would present the least threat to groundwater if released into the environment. The board shall also specify by rule and regulation those coolants which shall not be used in heat pump wells due to their potentially harmful effects if released into the environment.