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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 2 to Subpart AA of Part 63: Table 2 to Subpart AA of Part 63—New Source Emission Limits a b

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER C—AIR PROGRAMS
  4. PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
  5. Subpart AA—National Emission Standards for Hazardous Air Pollutants from Phosphoric Acid Manufacturing Plants

For the following new sources . . . You must meet the emissions limits for the specified pollutant . . .

Total fluorides Total particulate Mercury

Wet-Process Phosphoric Acid Line 0.0135 lb/ton of equivalent P2 O5 feed

Superphosphoric Acid Process Line c 0.00870 lb/ton of equivalent P2 O5 feed

Phosphate Rock Dryer 0.060 lb/ton of phosphate rock feed

Phosphate Rock Calciner 9.0E-04 lb/ton of rock feed 0.092 g/dscm 0.014 mg/dscm corrected to 3 percent oxygen

a The new source compliance dates are based on date of construction or reconstruction as specified in § 63.602(a).

b During periods of startup and shutdown, for emission limits stated in terms of pounds of pollutant per ton of feed, you are subject to the work practice standards specified in § 63.602(f).

c Beginning on August 19, 2018, you must include oxidation reactors in superphosphoric acid process lines when determining compliance with the total fluorides limit.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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