NSF certification in the United States

Summary:

Ningbo Shangdu Certification is an NSF-recognized certification service agency in China, focusing on NSF certification project development, standard interpretation, product design, and more. Ningbo Shangdu is your nearby certification consultant. If you want to learn more about low-lead certification information or obtain a certification quote, please call the national toll-free hotline 13736130593 (24 hours), and we will respond to you as soon as possible. [Introduction to NSF Certification] NSF certification is an authoritative certification issued by the NSF organization. The National Sanitation Foundation (NSF) was established in 1944 as an independent, non-profit, non-governmental organization. NSF is dedicated to the formulation of standards, product testing, and certification services in the fields of public health, safety, and environmental protection, and is an authoritative institution in public health and safety. Millions of consumer, commercial, and industrial products are marked with the NSF logo each year, trusted by consumers, industry professionals, and manufacturers over the years. NSF's mission is to develop and implement management plans for public health, service, research, and environmental protection. As a reliable neutral organization, NSF provides solutions to public health and environmental issues for governments, industries, and consumers. NSF's technical resources include testing equipment and analytical chemistry and microbiology laboratories. NSF professionals include engineers, chemists, toxicologists, public health experts, and computer scientists with extensive experience in public health, food safety, water quality, and the environment. NSF certifications are recognized by the American National Standards Institute (ANSI) and the Standards Council of Canada (SCC). [Scope of NSF Certification] A. Plumbing and bathroom products, such as faucets, braided hoses, valves, rubber materials, plastic materials, and components related to drinking water; NSF/ANSI 61-4 pipes/pipe fittings, NSF/ANSI 61-5 coatings/cements, NSF/ANSI 61-6 seals: O-rings/gaskets, NSF/ANSI 61-7 process media, NSF/ANSI 61-8 valves, water meters, filters, NSF/ANSI 61-9 faucets, braided hoses, and other end products. B. Water treatment products: - Drinking Water System Components (NSF/ANSI 61) related to drinking water system products toxicological testing requirements. - Drinking Water Treatment Chemicals (NSF/ANSI 60) drinking water treatment chemical agents. - Drinking Water Treatment Units (NSF/ANSI 42, 44, 53, 55, 58, 62) drinking water treatment facilities adsorption/filtration NSF/ANSI 42, 53 drinking water machines NSF/ANSI 44 ultraviolet disinfection NSF/ANSI 55 reverse osmosis NSF/ANSI 58 distillation NSF/ANSI 62 shower filters NSF/ANSI 177. - Plumbing System Components (NSF/ANSI 14, 24) plumbing system components. - Wastewater Treatment Units (NSF/ANSI 40, 41, 46, 69) wastewater treatment equipment. C. Countertop materials such as marble and artificial stone. D. Beverages, food products, and processing equipment: - Commercial cooking, heating, electric food storage and transportation equipment: NSF/ANSI 4-2009 dispensing refrigeration equipment: NSF/ANSI 6-2009 commercial refrigeration and freezing equipment NSF/ANSI 7 manual food and beverage dispensing equipment NSF/ANSI 18 commercial bulk milk dispensing equipment NSF/ANSI 20 plastic trash cans NSF/ANSI 21 food and beverage vending machines NSF/ANSI 25 food equipment decorative pressure film surface NSF/ANSI 35 tableware NSF/ANSI 36 food equipment materials NSF/ANSI 51 mobile catering carts NSF/ANSI 59 self-cleaning: verifying the effectiveness of the automatic cleaning process mainly looks at the design of the equipment, especially ice cream machines, carbonated beverage machines, feeders, ice machines, and feeding pumps. Equipment primarily based on alcohol does not need to be tested. Physical testing: The design and construction parts will focus on the seams and fixing methods to confirm whether there is bacterial contamination. All materials that may come into contact with food will be assessed. E. Plastic fittings and pipes: Designed products include various plastic pipe fittings, such as tees, elbows, reducers, plugs, straight pipes, etc., as well as various plastic materials of pipes. Main standards: NSF 61/NSF 14/NSF 372 CPVC: ASTM F93 ASTM F441 ASTM F441 PVC: ASTM F1970, ASTM D2564, ASTM D2665, ASTM D2466 PEX: ASTM F876/F877, CSA B137.5, ASTM F2788 F. Drinking water treatment chemicals: including disinfection and oxidation, corrosion and scale inhibition, coagulation and flocculation, biocides, deoxygenation agents, additives, softening, and pH adjustment chemicals. Implementation standard: NSF/ANSI 60. [NSF Certification Process] A. The client submits a written application to Shangdu Certification Company and provides accurate product information including: 1. Standards applicable to the product 2. Product manual 3. Product explosion diagram and photos 4. Final use and performance of the product 5. Product formula; B. Preliminary data review, confirmation of fees and certification cycle, and signing of service contract by both parties; C. Evaluation of formula and physical compliance of raw materials, material assessment, structural integrity assessment, performance testing assessment; D. A detailed list of components or technical data such as: components related to drinking water must undergo toxic substance content testing, determined according to NSF standard 61 to see if the toxic substance content exceeds the requirements - only specific materials and utensils need to undergo toxic substance content testing. If the client's product contains components or raw materials that have passed NSF certification, the inspection requirements for the client's product will be reduced. Therefore, selecting NSF-certified components or raw materials can save the applicant's time and costs while improving the pass rate of finished product testing. E. Submit samples for testing to evaluate the performance of the final product and components or raw materials and their impact on health. F. Initial factory inspection: If the product is applying for NSF certification for the first time, an initial factory inspection is required. NSF will send representatives to the factory site for inspection to verify whether the information submitted by the company during the application is consistent. G. Issuance of certificate: If the applicant's product successfully passes the testing and the factory audit meets NSF's requirements, the applicant will be authorized to use the NSF logo and will be issued an NSF certificate. [Detailed Explanation of Water Purifier Certification Standards] In the United States, an important standard for evaluating the filtration capacity of water purifiers is whether they have passed NSF certification. The water purification equipment involves the following standards: - NSF/ANSI 42 water quality drinkability testing, testing the ability of the water filter to remove contaminants affecting the taste, odor, and clarity of drinking water to meet conditions suitable for human consumption. Standard 42 is the most common standard for drinking water treatment, establishing minimum requirements for material safety, structural integrity, product documentation, and performance claims for the reduction of sensory and non-health-related contaminants. The most common claim is the reduction of chlorine content and particulate matter. The most common technology involved in standard 42 is carbon filtration, and the standard includes both point of entry (POE) and point of use (POU) aspects. - NSF/ANSI 44 establishes minimum certification requirements for residential cation exchange water softening devices. The scope of standard 44 includes material safety, structural integrity, accuracy of brine systems, product documentation, and performance in reducing hardness and specific contaminants from a known quality water source. The most common claims in standard 44 are the reduction of barium, radium 226/228, and the performance of softening devices. - NSF/ANSI 53 water quality health testing: Standard 53 is used to test whether the filter element materials are safe, whether the product structure is intact, whether the product information is correct, and the effectiveness of filtering contaminants such as lead, cysts, and VOCs (volatile organic compounds), which is a crucial consideration when selecting a water purifier. Standard 53 is the second most commonly used DWTU standard, establishing minimum requirements for material safety, structural integrity, product documentation, and performance claims for the reduction of health-related contaminants, such as the minimum requirements for claims of reduction of lead, cysts, and VOCs among many contaminants. Some products fall under both standards 42 and 53 because they have claims combining sensory and health aspects. - NSF/ANSI 55 ultraviolet disinfection: establishes minimum certification requirements for ultraviolet systems. The scope of standard 55 includes material safety, structural integrity, product documentation, and ultraviolet performance. Ultraviolet systems are classified as Class A (minimum ultraviolet dose of 40mj/cm2). The system may be POE or POU. Class A systems can have claims for disinfection of water potentially contaminated by pathogenic bacteria, viruses, fungi, or Giardia. Class B systems can have claims for the reduction of harmful microorganisms normally present in water. - NSF/ANSI 58 reverse osmosis drinking water treatment systems: This standard mainly tests the safety and energy efficiency of reverse osmosis components of machines, unrelated to water quality. Standard 58 establishes minimum certification requirements for POU reverse osmosis systems. The scope of standard 58 includes material safety, structural integrity, product documentation, total dissolved solids (TDS) reduction, and claims for the reduction of other contaminants. These claims for the reduction of other contaminants may include the reduction of cysts, barium, radium 226/228, copper, hexavalent and trivalent chromium, arsenic, nitrate/nitrite, cadmium, and lead. - NSF/ANSI 60 drinking water treatment chemicals: This standard mainly tests whether the chemicals and chemical products used for treating drinking water meet safe drinking water standards, unrelated to water treatment effectiveness. - NSF/ANSI 61 drinking water system components: This standard mainly tests whether the various components and the entire water purifier meet drinking water and food safety standards regarding toxic substances and leachables into water, unrelated to water treatment effectiveness. - NSF/ANSI 62: establishes minimum requirements for the certification of POU and POE distillation systems. The scope of standard 62 includes material safety, structural integrity, product documentation, total dissolved solids (TDS) reduction, and claims for the reduction of other contaminants. - NSF/ANSI 177: Standard 177 establishes minimum requirements for residential shower filtration systems. The scope of standard 177 includes material safety, structural integrity, product documentation, and reduction of free chlorine. How long is the validity of NSF certification? NSF certification is valid for one year, and inspections and tracking services will be conducted at the factory irregularly every year, with an annual fee charged. The purpose of the inspection is to ensure that the certified products continue to meet the requirements consistent with the initial factory inspection, ensuring that the products always comply with certification requirements. If the audit or sampling tests fail, the certificate may be revoked. If you want to learn more about this certification information or obtain a certification quote, please call 13736130593 (24 hours), and we will respond to your questions as soon as possible.

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