The State Pollution Control Agency submitted on April 7, 1977, a letter certifying that there are no existing phosphate fertilizer plants in the State subject to part 60, subpart B of this chapter.

“Section 111(d) Plan for Municipal Solid Waste Landfills,” submitted by the State on March 4, 1997.

The plan applies to all existing municipal solid waste landfills for which construction, reconstruction, or modification was commenced before May 30, 1991 that accepted waste at any time since November 8, 1987 or that have additional capacity available for future waste deposition, as described in 40 CFR part 60, subpart Cc.

The effective date of the plan for municipal solid waste landfills is September 25, 1998.

“Section 111(d) Plan for Implementing the Large Municipal Waste Combustor Emission Guidelines,” submitted by the State on April 28, 1998. The rules being approved as part of this plan are being approved for their applicability to large municipal waste combustors in Minnesota and should apply only to these sources.

The plan applies to all existing municipal waste combustor units with the design capacity of 93.75*10 6 Btu/hr or more. This is the same as having an applicability threshold of the capacity to process 250 tons per day or more of municipal solid waste.

The effective date of the plan for existing large waste combustors is October 13, 1998.

On February 3, 2017, the Minnesota Pollution Control Agency submitted a negative declaration letter to EPA certifying that there are no existing Commercial and Industrial Solid Waste Incineration (CISWI) units in the State of Minnesota subject to the emissions guidelines at 40 CFR part 60, subpart DDDD.

On June 21, 2017, the Minnesota Pollution Control Agency submitted a negative declaration letter to EPA certifying that there are no existing Other Solid Waste Incineration (OSWI) units in the State of Minnesota subject to the emissions guidelines at 40 CFR part 60, subpart FFFF.