ABSTRACT
The crisis of our diminishing water resources is just as severe ($less obviously immediate) as any wartime crisis we have ever faced. Our survival is just as much at stake as it was at the time of Pearl Harbor: or the Argonne, or Gettysburg, or ~ a r a t o ~ a . ) ~
8.1 INTRODUCTION
T HIS chapter was prepared using the latest information available: however, specific situations may occur that require actions different from those described herein. In all cases, the recommendations of the equipment manufacturer and his service representatives should be used if contrary to information supplied in this chapter.
