Not later than three years after the approval of the mattress stewardship plan pursuant to section 22a-905a, the Commissioner of Energy and Environmental Protection shall submit a report, in accordance with section 11-4a, to the joint standing committee of the General Assembly having cognizance of matters relating to the environment. Such report shall provide an evaluation of the mattress stewardship program, establish a goal for the amount of discarded mattresses managed under the program and a separate goal for the recycling of such mattresses, taking into consideration technical and economic feasibilities.