NSF P231 PDF
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NSF P231- Microbiological Water Purifiers
standard by NSF, 02/24/2003
Purpose: This protocol establishes minimum requirements for health and sanitation characteristics of microbiological water purifiers.The requirements are based on the recommendations of the U.S. Environmental Protection Agency’s Task Force Report, Guide Standard and Protocol for Testing Microbiological Water Purifiers (1987) (Annex B).
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