Letter from the Department of Public Health and Environment submitted May 6, 2002 certifying that there are no existing commercial and industrial solid waste incinerators in the State of Colorado that are subject to part 60, subpart DDDD, of this chapter. [68 FR 54373, Sept. 17, 2003]
Emissions From Existing Sewage Sludge Incineration Units Sec. .62.1390 Identification of plan--negative declaration.
Letter from Colorado Department of Public Health & Environment submitted to EPA on April 3, 2013, certifying that there are no known existing sewage sludge incineration units in the State of Colorado. [80 FR 10610, Feb. 27, 2015]