Calciners and Dryers in Mineral Industries - Subpart UUU

eCFR Subpart UUU [ecfr.gov]

This subpart applies to:

1. Affected facilities at mineral processing plants that commence construction, modification, or reconstruction after Apr 23, 1986.

Affected facilities:

1. Calciners;
2. Dryers.

For the brick and related clay products industry, only the calcining and drying of raw materials prior to firing of the brick are covered.

Not subject to this subpart:

1. Affected facilities subject to NSPS LL;
2. Vertical shaft kilns in the magnesium compound industry;
3. Chlorination-oxidation processes in the titanium oxide industry;
4. Coating kilns, mixers, and aerators in the roofing granules industry;
5. Tunnel kilns, tunnel dryers, apron dryers, and grinding equipment that also dries process material in any of the 17 mineral industries (per 40 CFR 60.731).

NSPS - 40 CFR Part 60

Subpart HH - Lime mfg - rotary lime kiln
Subpart LL - Metallic mineral processing plants
Subpart NN - Phosphate rock plants
Subpart Y - Coal preparation and processing plants
Subpart OOO - Non-metallic mineral processing plants

 

NESHAP - 40 CFR Part 63

Subpart RRRRR - Taconite iron ore processing

eCFR Subpart UUU [ecfr.gov]