Founded in 1944, NSF International is an independent, accredited organization which tests, audits and certifies products and systems that help protect food, water, consumer products and the environment. They work with manufacturers, regulators and consumers to facilitate the development of public health standards as well as provide education and risk management to protect and improve global human health.
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Series details
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Title
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Year
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Status
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NSF Canadian/international standard 50-2020
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Equipment and chemicals for swimming pools, spas, hot tubs, and other recreational water facilities
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2020
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Withdrawn
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NSF Canadian/international standard 50-2021
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Equipment and chemicals for swimming pools, spas, hot tubs, and other recreational water facilities
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2021
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Withdrawn
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NSF Canadian/international standard 50-2023
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Equipment and chemicals for swimming pools, spas, hot tubs, and other recreational water facilities
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2023
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Withdrawn
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NSF Canadian/international standard 50-2023e
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Equipment and chemicals for swimming pools, spas, hot tubs, and other recreational water facilities
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2023
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Current
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NSF International Standard 2-2021
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Food equipment
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2021
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Withdrawn
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NSF International Standard 2-2022
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Food equipment
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2022
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Current
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NSF International Standard 7-2021
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Commercial refrigerators and freezers
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2021
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Withdrawn
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NSF International Standard 7-2023
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Commercial refrigerators and freezers
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2023
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Current
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NSF International Standard 41-1999
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Non-liquid saturated treatment systems (composting toilets)
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1999
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Withdrawn, cited in regs
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NSF International Standard 41-2005
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Non-liquid saturated treatment systems (composting toilets)
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2005
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Withdrawn
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NSF International Standard 41-2005 Addendum 1
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Non-liquid saturated treatment systems. Addendum 1 (Withdrawn)
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2007
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Withdrawn, cited in regs
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NSF International Standard 41-2011
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Non-liquid saturated treatment systems (Withdrawn)
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2011
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Withdrawn
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NSF International Standard 41-2016
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Non-liquid saturated treatment systems
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2016
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Withdrawn
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NSF International Standard 41-2018
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Non-liquid saturated treatment systems
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2018
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Withdrawn
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NSF International Standard 41-2022
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Non-liquid saturated treatment systems
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2022
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Withdrawn
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NSF International Standard 41-2023
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Non-liquid saturated treatment systems
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2023
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Current
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NSF International Standard 42-2021
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Drinking water treatment units - aesthetic effects
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2021
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Withdrawn
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NSF International Standard 42-2022
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Drinking water treatment units - aesthetic effects
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2022
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Current
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NSF International Standard 46-2021
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Evaluation of components and devices used in wastewater treatment systems
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2021
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Withdrawn
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NSF International Standard 46-2022
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Evaluation of components and devices used in wastewater treatment systems
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2022
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Current
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