Code of Federal Regulations > Title 40 > Chapter I > Part 63 > Subpart BB > Appendix - Table 1 to Subpart BB of Part 63

Regulations last checked for updates: Mar 12, 2025

Title 40 - Protection of Environment last revised: Feb 12, 2028

Appendix - Table 1 to Subpart BB of Part 63—Existing Source Emission Limits a b

For the following existing sources . . .	You must meet the emission limits for the specified pollutant . . .
For the following existing sources . . .	Total fluorides
Phosphate Fertilizer Process Line (e.g., Diammonium and/or Monoammonium Phosphate Process Line)	0.060 lb/ton of equivalent P2O5 feed.
Granular Triple Superphosphate Process Line	0.150 lb/ton of equivalent P2O5 feed.
GTSP storage building	5.0 × 10−4 lb/hr/ton of equivalent P2O5 stored.

^a The existing source compliance date is June 10, 2002.

^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 § 63.622(d).

authority: 42 U.S.C. 7401

source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.