40 CFR 60.231 - Definitions.
(a)Triple superphosphate plant means any facility manufacturing triple superphosphate by reacting phosphate rock with phosphoric acid. A run-of-pile triple superphosphate plant includes curing and storing.
(b)Run-of-pile triple superphosphate means any triple superphosphate that has not been processed in a granulator and is composed of particles at least 25 percent by weight of which (when not caked) will pass through a 16 mesh screen.
(d)Equivalent P2O5feed means the quantity of phosphorus, expressed as phosphorus pentoxide, fed to the process.