Section 62.4371 - Identification of plan-negative declaration(a) Letter from the Kentucky Department for Environmental Protection submitted March 5, 2001, certifying that there are no small municipal waste combustion units subject to 40 CFR part 60, subpart BBBB.(b) Letter from Louisville, Kentucky, Air Pollution Control District submitted on February 11, 2010, certifying that there are no Small Municipal Waste Combustion units subject to 40 CFR part 60, subpart BBBB in its jurisdiction.67 FR 273, Jan. 3, 2002, as amended at 76 FR 22824, Apr. 25, 2011