The department after notice and public hearing shall:
(1) Adopt regulations designating as extremely hazardous wastes subject to the provisions of this chapter those substances which exhibit characteristics consistent with the definition provided in RCW 70A.300.010(7);
(2) Adopt and may revise when appropriate, minimum standards and regulations for disposal of extremely hazardous wastes to protect against hazards to the public, and to the environment. Before adoption of such standards and regulations, the department shall consult with appropriate agencies of interested local governments and secure technical assistance from the department of agriculture, the department of social and health services, the department of fish and wildlife, the department of natural resources, the department of labor and industries, and the department of commerce, through the director of fire protection.