This publication is intended to provide useful information concerning the storage and piping of sodium hydroxide and potassium hydroxide solutions. This pamphlet's  objective is to offer practical suggestions in the design, construction and operation of systems suitable for 50% (and less) plus 73% solutions of sodium hydroxide, and for 50% (and less) solutions of potassium hydroxide. The requirements of anhydrous sodium hydroxide and potassium hydroxide have not been considered.

(72 pages)