Definitions for UV dose, Class A system, and Class B system are being revised under NSF/ANSI 330 to reflect the revised scope of NSF/ANSI 55 to include UV systems that operate across a broader range of wavelengths (240 nm to 300 nm).
05911: Approval of 330i10r1 - UV Definitions
Document (Archive)
2019-06-21
About UsParticipateTerms of UsePrivacy Policy