NSF的涉及范围及执行标准
Drinking Water Treatment Chemicals (NSF/ANSI Std. 60)
饮用水处理化学试剂
Flocculants, surfactants, disinfectants, etc.
Drinking Water Treatment Units (NSF/ANSI Std. 42, 44, 53, 55, 58, 62)
饮用水处理设施
Water filters, water softeners, reverse osmosis systems, distillers, UV disinfection, etc.
Municipal Drinking Water System Components (NSF/ANSI Std. 61, AWWA)
市政饮用水处理系统设备
Coatings, valves, pipes, water meters, in-line devices, etc.
Plumbing System Components (NSF/ANSI Std. 14, 24, ASTM, ASME, CSA, IAPMO, ASSE)
管道系统设施
Plastic pipe and fittings, faucets, valves, plumbing fixtures, metal piping, electrical and telecom conduit, etc.
Pools, Spas, and Hot Tubs (NSF/ANSI Std. 50, ASME)
游泳池，温泉，浴盆设备
Filters, chemical feeding equipment, multiport valves, etc.
Wastewater Treatment Units (NSF/ANSI Std. 40, 41, 46, 69)
废水处理设备
Whole house wastewater treatment systems, filters, pumps, etc.
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