NSPS for Calciners and Dryers in Mineral Industries (40 CFR part 60, subpart UUU) (Renewal)

The New Source Performance Standards (NSPS) for Calciners and Dryers in Mineral Industries (40 CFR Part 60, Subpart UUU) were proposed on April 23, 1986, and promulgated on September 28, 1992. These regulations apply only to new calciners and dryers at mineral processing plants that either process or produce either any of the following minerals and their concentrates or any mixture of which the majority is any of the following minerals or a combination of these minerals: alumina, ball clay, bentonite, diatomite, feldspar, fire clay, fullers earth, gypsum, industrial sand, kaolin, lightweight aggregate, magnesium compounds, perlite, roofing granules, talc, titanium dioxide, and vermiculite. Particulate matter (PM) is the pollutant regulated under this subpart. Feed and product conveyors are not considered part of the affected facility. Facilities subject to NSPS Subpart LL, Metallic Mineral Processing Plants are not subject to these standards. There are additional processes and process units at mineral processing plants listed at Section 60.730(b) which are not subject to the provisions of this Subpart. New facilities include those that commenced construction, modification or reconstruction after the date of proposal. In general, all NSPS standards require initial notifications, performance tests, and periodic reports by the owners/operators of the affected facilities. They are also required to maintain records of the occurrence and duration of any startup, shutdown, or malfunction in the operation of an affected facility, or any period during which the monitoring system is inoperative. These notifications, reports, and records are essential in determining compliance, and are required of all affected facilities subject to NSPS.

The latest form for NSPS for Calciners and Dryers in Mineral Industries (40 CFR part 60, subpart UUU) (Renewal) expires 2021-05-31 and can be found here.