Letter from the Texas Commission on Environmental Quality, dated January 28, 2013, certifying that there are no existing sewage sludge incineration (SSI) units subject to the requirements of 40 CFR part 60, subpart MMMM, within its jurisdiction. [80 FR 24222, Apr. 30, 2015]
Subpart TT_Utah
Fluoride Emissions from Existing Phosphate Fertilizer Plants