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Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 63, Subpt. AA, Tbl. 1 Table 1 to Subpart AA of Part 63—Existing Source Emission Limits  a] b]

Current as of January 02, 2025 | Updated by Findlaw Staff

For the following existing sources . . .

You must meet the emission limits for the specified pollutant . . .

Total fluorides

Total particulate

Mercury

Wet-Process Phosphoric Acid Line

0.020 lb/ton of equivalent P2O5 feed

Superphosphoric Acid Process Line c

0.010 lb/ton of equivalent P2O5 feed

Superphosphoric Acid Process Line with a Submerged Combustion Process

0.20 lb/ton of equivalent P2O5 feed

Phosphate Rock Dryer

0.2150 lb/ton of phosphate rock feed

Phosphate Rock Calciner

9.0E-04 lb/ton of rock feed d

0.181 g/dscm

0.23 mg/dscm corrected to 3-percent oxygen e

a The existing source compliance data is June 10, 2002, except as noted.

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.

d Compliance date is August 19, 2015.

e Compliance date November 3, 2020.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 63, Subpt. AA, Tbl. 1 Table 1 to Subpart AA of Part 63—Existing Source Emission Limits  a] b] - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-pt-40-63-subpt-aa-tbl-1/

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