Section 62.1985 - Identification of plan-negative declaration(a) Letter from the Delaware Department of Natural Resources and Environmental Control submitted November 16, 2001, certifying that there are no existing commercial/industrial solid waste incineration units within the State of Delaware that are subject to 40 CFR part 60, subpart DDDD.(b) Letter from the Delaware Department of Natural Resources and Environmental Control submitted January 7, 2014, certifying that there are no existing commercial/industrial solid waste incineration units within the State of Delaware that are subject to 40 CFR part 60, subpart DDDD. 82 FR 20278 , May 1, 2017 82 FR 20278 , 6/30/2017; 82 FR 20278 , 5/1/2017