StacksVerified U.S. regulatory reference

Part 422 — Phosphate Manufacturing Point Source Category

Subpart A — Phosphorus Production Subcategory

Subpart B — Phosphorus Consuming Subcategory

Subpart C — Phosphate Subcategory

Subpart D — Defluorinated Phosphate Rock Subcategory

Subpart E — Defluorinated Phosphoric Acid Subcategory

Subpart F — Sodium Phosphates Subcategory