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NSF International

NSF International, founded as the National Sanitation Foundation, works to standardize sanitation and food related requirements. Later expanding into other industries and changing their name to NSF International, NSF has a strong focus on food and water safety, as well as certification and testing for those fields. Serving companies in other 150 countries, NSF-developed standards play a key role in health codes in America and abroad. Standards from NSF are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription. If you or your organization are interested in easy, managed, online access to standards that can be shared, a Standards Subscription may be what you need - please contact us at: StandardsSubscriptions@ansi.org or 1-212-642-4980 or Request Proposal Price.

Below are NSF's best-selling standards. To find additional standards, please use the search bar above.

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NSF/ANSI 49-2019

Biosafety Cabinetry: Design, Construction, Performance, and Field Certification

This Standard applies to Class II (laminar flow) biosafety cabinetry designed to minimize hazards inherent in work with agents assigned to Biosafety Levels 1, 2, 3, or 4. It also defines the tests that shall be passed by such cabinetry to meet this Standard. This Standard includes basic requirements for the design, construction, and performance of biosafety cabinets (BSCs) that are intended to provide personnel, product, and environmental protection; reliable operation; durability and structural stability; cleanability; limitations on noise level; illumination; vibration; and motor / blower performance.


NSF/ANSI 51-2019

Food Equipment Materials

This Standard establishes minimum public health and sanitation requirements for materials used in the construction of commercial food equipment. The requirements of this Standard are intended to ensure that the composition and surface finish of food equipment materials are such that a material will not adulterate food nor render food equipment difficult to clean and sanitize.


NSF/ANSI 2-2019

Food Equipment

Equipment covered by this Standard includes, but is not limited to, bakery, cafeteria, kitchen, and pantry units, and other food handling and processing equipment such as tables and components, counters, tableware, hoods, shelves, and sinks.


NSF/ANSI 173-2019

Dietary Supplements

This Standard provides test methods and evaluation criteria for dietary supplement products to allow for the determination that the ingredients in the product are accurately identified, that the product contains the quantity of dietary ingredients and marker constituents declared on the product label, and that the product does not contain unacceptable quantities of contaminants. This Standard provides criteria for determining that good manufacturing practices (GMP) were followed in the production of dietary supplements.


NSF/ANSI 455-2-2018

Good Manufacturing Practices for Dietary Supplements

This Standard is intended to define a standardized approach for auditing to determine the level of compliance of dietary supplement products to 21 CFR 111 Current Good Manufacturing Practices (GMPs) in Manufacturing, Packaging, Labeling, or Holding Operations for Dietary Supplements as well as incorporating additional retailer requirements. It refers to the requirements for GMP applicable to all dietary supplements. It will assist in the determination of adequate facilities and controls for dietary supplement manufacture with sufficient quality to ensure suitability for intended use.


NSF/IPEC/ANSI 363-2019

Good Manufacturing Practices (GMP) for Pharmaceutical Excipients

This Standard is intended to define good manufacturing practices (GMP) for excipient manufacture and distribution3 for use in drug products


NSF/ANSI/CAN 50-2019

Equipment and Chemicals for Swimming Pools, Spas, Hot Tubs, and Other Recreational Water Facilities

Evaluation criteria for materials, components, products, equipment, and systems for use at recreational water facilities -This Standard covers materials, chemicals, components, products, equipment and systems related to public and residential recreational water facility operation.


NSF/ANSI 25-2017

Vending machines for food and beverages

Contains requirements for food and beverage vending machines, including those that vend packaged food and beverages and those that vend food and beverages in bulk. Vending machine materials and components covered under other NSF or NSF/ANSI Standards or Criteria shall also conform to the requirements therein.


NSF/ANSI 51-2019

Food Equipment Materials

This Standard establishes minimum public health and sanitation requirements for materials used in the construction of commercial food equipment. The requirements of this Standard are intended to ensure that the composition and surface finish of food equipment materials are such that a material will not adulterate food nor render food equipment difficult to clean and sanitize.


NSF/ANSI 173-2019

Dietary Supplements

This Standard provides test methods and evaluation criteria for dietary supplement products to allow for the determination that the ingredients in the product are accurately identified, that the product contains the quantity of dietary ingredients and marker constituents declared on the product label, and that the product does not contain unacceptable quantities of contaminants. This Standard provides criteria for determining that good manufacturing practices (GMP) were followed in the production of dietary supplements.


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