Skip to main content

Phosphate Rock Plants - Subpart NN

NSPS Notebook

Phosphate Rock Plants - Subpart NN

Applicability

eCFR Subpart NN [ecfr.gov]

This subpart applies to:

  1. Affected facilities in phosphate rock plants with a maximum production capacity greater than 4 tons/hour (3.6 megagrams/hour) that commenced construction, modification, or reconstruction after Sep 21, 1979.

Affected facilities:

  1. Dryers;
  2. Calciners;
  3. Grinders;
  4. Ground rock handling and storage.


Not subject to this subpart:

  1. Facilities producing or preparing phosphate rock solely for consumption in elemental phosphorus production.
Date of Original Final Rule
Amendments Dates

10/17/2000 (65 FR 61744)
02/12/1999 (64 FR 7466)
05/17/1989 (54 FR 21344)
02/14/1989 (54 FR 6676)

State Regulations

Title 129, Chapter 12, Section 001.43

Previously: Chapter 18, Section 001.38

Federal Regulations
40 CFR 60.400
Related Rules

NSPS - 40 CFR Part 60

Subpart LL - Phosphate rock plants
Subpart OOO - Nonmetallic mineral processing plants
Subpart UUU - Calciners and dryers in nonmetallic mineral industry
Subpart Y - Coal preparation and processing plants

 

NESHAP - 40 CFR Part 63

Subpart RRRRR - Taconite iron ore processing

Regulations and Federal Registers

eCFR Subpart NN [ecfr.gov]

Page Last Updated