Purchase NSF Standards

If you are a volume user, consider a subscription service from the bookstore website to provide electronic or hard copy access to the information on an ongoing basis.

NSF provides free online access to read-only versions of NSF voluntary consensus standards that are referenced in U.S. federal laws and regulations. These include:

NSF/ANSI/CAN Standard 60: Drinking Water Treatment Chemicals – Health Effects

If you manufacture, sell or distribute water treatment chemicals in North America, your products are required to comply with NSF/ANSI/CAN 60 by most governmental agencies that regulate drinking water supplies.

NSF/ANSI/CAN Standard 61: Drinking Water System Components – Health Effects

If you manufacture, sell or distribute water treatment or distribution products in North America, your products are required to comply with NSF/ANSI/CAN Standard 61 by most governmental agencies that regulate drinking water supplies.