THE SCOPE OF THIS STANDARD COVERS ADJUSTABLE OUTPUT RATE CHEMICAL FEEDERS, WHETHER USED FOR SOLUTIONS, SLURRIES OR SOLIDS. IT ALSO INCLUDES AUXILIARY EQUIPMENT SUCH AS PUMPS, STRAINERS, TUBING CONNECTIONS, TANKS, INJECTION FITTINGS AND OTHER REQUIRED COMPONENTS. THE FEEDERS DESCRIBED ARE INTENDED TO BE DESIGNED AND USED SPECIFICALLY FOR CHEMICAL FEEDING FOR BOTH PUBLIC AND PRIVATE RESIDENTIAL SWIMMING POOLS. NOT INCLUDED IN THIS STANDARD ARE GASEOUS FEED EQUIPMENT, FEEDERS WITHOUT ADJUSTABLE OUTPUT RATES, OR FEEDERS WHOSE OUTPUT RATE IS DEPENDENT ON THE FLOW RATE OF THE MEDIUM INTO WHICH THE CHEMICALS ARE INTRODUCED. SECTION 1 INCLUDES--(1) MINIMUM REQUIREMENTS, (2) ALTERNATE MATERIALS, (3) REVIEWS AND REVISIONS, AND (4) VARIATIONS IN DESIGN AND OPERATION. SECTION 2 COVERS DEFINITIONS AND TERMINOLOGY. SECTION 3, SUITABLE MATERIALS, AND SECTION 4, DESIGN AND CONSTRUCTION. (RH)