The certification process begins by contacting the particular program office which handles the product type, in this case wastewater treatment units. This initial contact can be made by telephone, fax, e-mail, or a scheduled visit to NSF's headquarters. The program office will promptly provide all of the necessary information describing the program, including application form, certification requirements, timing, and cost. The returned application and associated fee will initiate the formal process leading to certification.
Product testing is generally the first step of the process.
Once conformance to the standard is demonstrated, including review and approval of the product literature, an initial inspection of the manufacturing facility is scheduled. Following completion of the inspection, including any necessary corrective action, contracts for certification are issued. Following initial certification, inspection of the manufacturing facility is performed annually, and product retesting performed at least every seven years. The NSF Mark symbolizes the only third-party organization with over 50 years of commitment and service to the product manufacturing industry and the regulatory community. NSF's services offer global recognition and exposure, with worldwide operations including all fifty states, US territories, and 60 other nations.