Special Provision: A

Aluminum nitrate

Aluminum hydride

Aluminum ferrosilicon powder

Aluminum ferrosilicon powder

Aluminum carbide

Allyltrichlorosilane, stabilized

Allyl isothiocyanate, stabilized

Allyl iodide

Alkaline earth metal amalgams, solid

Alkaloids, liquid, n.o.s., or Alkaloid salts, liquid, n.o.s.