Historical
NSF/ANSI 401-2016
Drinking water treatment units - Emerging compounds/incidental contaminants
This revision harmonized the Standard with updates made to the family of DWTU standards regarding structural integrity, section 4 materials, treatment train criteria, and batch treatment systems. Issue 3: Methods and procedures to minimize premature filter plugging were incorporated. Issue 6: CAS numbers were added to Table 4.1 of the materials evaluation criteria (section 4). Issue 7: Language to state that systems be conditioned using the test water with the specified contaminant for chemical reduction claims under section 7 was incorporated.
CONTENT PROVIDER
NSF International [nsf]
NSF International [nsf]