Spartina removal shall include restoration to return intertidal land and other infested lands to the condition found on adjacent unaffected lands in the same tidal elevation. The department of fish and wildlife, the department of ecology, the department of agriculture, and the department of natural resources shall develop a restoration plan in cooperation with owners of spartina infested lands and shall submit the plan to the appropriate standing committees of the house of representatives and the senate by December 31, 1995.