Wastewater Protocols

NSF protocols are similar in many ways to NSF/ANSI standards, but do not undergo review and approval by an NSF joint committee.
Water treatment facility

Instead, they undergo review and approval by a smaller technical panel that includes experts in onsite wastewater and stakeholder representation from industry, public health and user communities. Protocols are generally developed for smaller industry sectors.

Product innovations sometimes outpace the standards or regulations required for product acceptance, leaving manufacturers with an excellent product, but an unreceptive marketplace.

NSF International has over 40 years of experience creating standards and protocols, as well as testing and certifying products, for the wastewater treatment industry. We can help you gain market access through our protocol development services. By creating customized testing criteria and validating performance and product claims, we give your product credibility in your desired markets.

Incinerating Toilets: NSF P157

NSF P157 evaluates the health and sanitation characteristics of incinerating devices designed to combust toilet waste. It specifies minimum requirements for materials, design, construction, performance and cleanability. We conduct actual use testing, including analyzing the ash end-product for the presence of fecal coliform microorganisms.

Sewage Sludge Sterilization: NSF P353

NSF P353 establishes requirements for organically-enhanced granular fertilizer manufacturers that use sewage sludge as a replacement for water. Certification verifies that the granular fertilizer product is free of pathogens, is noncombustible and meets the pathogen reduction and metals concentration requirements for Class A conditioned sewage sludge and PFRP requirements of the 40 CFR Part 503 rule. We analyze fertilizer samples for metals, combustibility and a variety of pathogens such as bacteria, viruses, spores and parasites, including Helminth ova. Additionally, we verify that each facility producing organically-enhanced granular fertilizer adheres to Hazard Analysis and Critical Control Points (HACCP) requirements.

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