Special Provision: A

Phosphorus, amorphous

Phosphoric acid solution

9-Phosphabicyclononanes or Cyclooctadiene phosphines

Phenyltrichlorosilane

Peroxides, inorganic, n.o.s

Peroxides, inorganic, n.o.s

Permanganates, inorganic, n.o.s

Permanganates, inorganic, n.o.s

Perchloric acid with more than 50 percent but not more than 72 percent acid, by mass

Paraformaldehyde