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NSF Protocol P148
Cloth Towel Dispenser Systems
Summary: This Protocol specifies design and performance requirements of cloth towel dispenser systems. Products meeting the requirements of this Protocol are verified by NSF to be cleanable, corrosion resistant, durable and capable of sanitary operation when used in accordance with manufacturer's instructions.
NSF Protocol P149
Oven Mitts used in Commercial Food Service
Summary: This Protocol evaluates oven mitts for their suitability for use in commercial food service establishment. Requirements for all mitts (Class I and Class II) include durability, heat resistance, liquid/steam penetration and cleanability. Class II oven mitts (intended for direct flame applications) have additional requirements for flame resistance and thermal protection.
NSF Protocol P150
Disposal of Bathroom Tissue into Septic Systems
Summary: This Protocol evaluates the impact and fate of a tissue product entering a septic system. Tissues meeting the requirements of this Protocol will not substantially increase sludge or scum accumulation, or substantially increase the loading of organic material and solids to the soil drain field. Testing is conducted over a six month period at the NSF Wastewater Technology Site in Chelsea, Michigan.
NSF Protocol P151
Health Effects from Rainwater Catchment System Components
Summary: This Protocol evaluates the extraction of U.S. EPA regulated contaminants from materials used in rainwater catchment systems, such as roofing materials, coatings, paints, liners and gutters. Rainwater catchment systems are those which collect rainwater for use as potable water, and are commonly found in tropical areas such as the U.S. Virgin Islands and Bermuda. Testing involves extraction of product samples before and after extensive accelerated outdoor weathering which simulates a tropical climate. Products meeting the requirements of this protocol shall impart no contaminants at levels greater than those specified in the latest version of U.S. EPA's Drinking Water Regulations and Health Advisories.
NSF Protocol P152
Health Effects and Corrosivity of Commercial Espresso Machine Chemical Cleaners
Summary: This Protocol evaluates cleaning compounds which are used in commercial espresso machines. Products meeting the requirements of this Protocol shall leave no toxic residue and do not increase the extraction of toxic metals from common materials of fabrication in espresso machines (when used in accordance with manufacturer's instructions). Extraction testing and toxicological review are important components of the evaluation.
NSF Protocol P153
Sanitization and Cleaning Performance of Household Spray-Type Dishwashers
Summary: This Protocol evaluates the performance of typical household dishwashing machines. Machines meeting the requirements of this Protocol have been verified by NSF to clean and sanitize glasses, dishes and utensils, when using the specified cycle. Performance testing and materials review are conducted by NSF. Machines authorized under this Protocol are not intended for use in commercial food service establishments.
NSF Protocol P154
Sanitization Performance of Residential Clothes Dryers
Summary: This protocol establishes minimum requirements for performance of residential clothes dryers with respect to their ability to sanitize typical household laundry after washing. Low temperature washes containing contaminated clothing items may leave a residue of viable organisms on laundry. This protocol will establish the ability of dryers to sanitize under those conditions and confirm no significant carryover of contamination to subsequent dryer loads.
NSF Protocol P155
Disposable Food Contact Gloves
Summary: This protocol covers disposable single-task gloves typically used for food handling, preparation, and service tasks. This protocol establishes criteria for product quality in terms of toxicology (indirect food additive), physical properties (tensile strength, elongation), barrier resistance (leakage), and sanitation (bioburden). The criteria in the protocol are divided into general requirements for all gloves and material-specific requirements that apply to the major material-types used in food contact gloves: polyethylene, vinyl, natural rubber latex, nitrile, and other synthetic blends. As new materials are developed in the industry, material-specific requirements may be added in subsequent revisions of the protocol. As new test methods and regulatory requirements (e.g. ASTM, FDA) are developed dealing with durability or other product quality parameters, they may be added as well, in consultation with an expert panel consisting of health officials, manufacturers, users and other stakeholders.
NSF Protocol P156
Commercial Coffee Equipment Cleaners - Health and Performance
Summary: This protocol establishes minimum requirements for the performance characteristics of chemical compounds used in cleaning commercial coffee dispensing equipment, including urns, brewers, glass pots and airpots. This type of cleaner may also be used for accessible parts of the machine in front of the boiler, heating and temperature regulation parts of the machine including brew baskets, funnels and other coffee contact areas. This protocol contains minimum requirements for corrosiveness, cleaning performance and compliance with toxicological standards. Specific certification policies are shown in Annex A.
NSF Protocol P157
Electrical Incinerating Toilets - Health and Sanitation
Summary: This Protocol evaluates the health and sanitation characteristics of electrical incinerating devices designed to combust toilet waste. There are minimum requirements for materials, design and construction, performance, and cleanability. Actual use testing is conducted, including analysis of the ash end-product for the presence of fecal coliform microorganisms.
NSF Protocol P171
Chlorine Resistance of Plastic Piping Materials
Summary: This Protocol evaluates the chlorine resistance performance of plastic piping materials intended for the conveyance of chlorinated potable water. Testing is conducted on actual end use samples under pressure in a flowing system. Samples are tested to failure under typical use conditions of chlorine level, pH and pressure. Elevated temperatures are used to accelerate failure. An extrapolated Chlorine Resistance Lifetime is calculated based on Miner's Rule and the application of a 0.5 design factor.
NSF Protocol P172
Sanitization Performance of Residential and Commercial, Family-Sized Clothes Washers
Summary: This Protocol evaluates the ability of washing machines with a sanitizing cycle to reduce microorganism concentrations on a small percentage of significantly contaminated clothing items in an otherwise typical laundry load. The protocol establishes the ability of washers to sanitize laundry under those conditions and will confirm there is no significant carryover of contamination to subsequent laundry loads.
NSF Protocol P181
Residential Portable Electrical Spas
Summary: This protocol establishes health and performance requirements for portable electrical spas that are intended for use and operation by an individual homeowner in a residential setting. This protocol establishes requirements for the materials, design and construction, and performance of spa components, including those involved in the circulation, filtration, heating and sanitation of spa water.
NSF Protocol P182
Pipeless Hydrotherapy Jets
Summary: This Protocol contains minimum requirements for materials, design and construction, cleanability, and safety of pipeless jets used in whirlpool baths and other hydrotherapy equipment intended for residential and institutional use. System components covered under other NSF or NSF/ANSI Standards or Criteria shall also comply with the requirements contained in those other standards. This Protocol shall in no way restrict new system designs, provided such designs meet the minimum specifications described herein.
NSF Protocol P231
Microbiological Water Purifiers
Summary: This protocol establishes minimum requirements for health and sanitation characteristics of microbiological water purifiers. The requirements are based on the recommendations of the U.S. Environmental Protection Agency's Task Force Report, Guide Standard and Protocol for Testing Microbiological Water Purifiers (1987) (Annex B).
NSF Protocol P235
Temperature Mimicking Sensors
Summary: This Protocol describes the minimum sanitation requirements for the materials, design, construction, along with minimum performance requirements of temperature mimicking sensors (TMS), separate, non-invasive devices consisting of a food simulant material with a temperature measuring probe attached (thermocouple, thermister). Devices covered in this Protocol are intended for use in any type of refrigerated equipment or refrigerated space including, but not limited to, processing plants, refrigerated trucks, storage refrigerators, display refrigerators, and residential refrigerators.
NSF Protocol P248
Military Operations Microbiological Water Purifiers
Summary: This Protocol evaluates individual small water purifiers (SWPs) to determine their effectiveness in providing microbiological purification from any fresh water source. Claims made by manufacturers concerning chemical contaminant removal efficiencies are not tested and will not be verified by following this Protocol. SWPs tested using this Protocol are intended for individual or squad size use for emergency or short term planned missions.
NSF Protocol P308
Ozone Sanitation Systems for Jetted Bathtubs and Pedicure Footbaths
Summary: This Protocol contains minimum requirements for materials, design and construction, cleanability, and safety of ozone sanitation systems for jetted bathtubs and pedicure footbaths intended for residential, commercial and institutional use. Systems covered under this Protocol are intended to be used in addition to the manufacturer's recommended cleaning method. System components covered under other NSF or NSF/ANSI Standards shall also comply with the requirements contained in those other standards. This Protocol shall in no way restrict new system designs, provided such designs meet the minimum specifications described herein.
NSF Protocol P335
Hygienic Commercial Hand Dryers
Summary: This Protocol establishes requirements for health and sanitation characteristics of hygienic commercial hand dryers which include air temperature and filtration, dry time (to ensure users' hands are completely dry within 15 seconds), water disinfection, and automatic operation. Other requirements of P335 relate to noise levels, burn resistance and product cleanability. Learn more about P335 in this downloadable Q&A document.
NSF Protocol P340
Septic Tank and Grease Trap Solid and Liquid Separating Devices
Summary: This protocol establishes minimum requirements for health and environmental protection of septic tank or grease trap solid/liquid separating devices. The usual technique for processing septic tank sludge and retained grease and solids in grease traps is to completely remove the contents of the tank and dispose of all the liquid, solid and biological material at a municipal wastewater treatment plant or other approved disposal facility. This technique involves handling of a great deal of water, requiring expensive transportation and disposal. In the case of septic tank waste, beneficial biological flora are also removed from the tank. Technologies have been developed that will retain the solids in a septic tank or grease and solids in a grease trap for disposal, while returning the treated water back to the septic tank or grease trap. This protocol establishes minimum requirements for health and environmental protection of septic tank or grease trap solid/liquid separating devices. Learn more about P340 in this downloadable Q&A document.
NSF Protocol P351
Allergen Reduction Performance of Residential and Commercial, Family-Sized Clothes Washers
Summary: This protocol establishes requirements for washing machines to demonstrate their ability to kill dust mites and wash away a minimum of 95% of pet (feline) dander and dust mite allergen loadings in a common load of household laundry. Requirements of this protocol include sustaining a wash water temperature of 55° Celsius (131° Fahrenheit) for at least three minutes, and the machine must be designed to avoid accumulation of dirt and debris, be easily cleanable, and corrosion-resistant. Manufacturers certifying products to P351 may also choose to certify for removal claims for canine dander, cockroach allergen, and birch pollen. Learn more about P351 in this downloadable Q&A document.
NSF Protocol P352
Validation and Verification of Eco-Efficiency Analyses
Summary: This protocol establishes minimum content for Eco-Efficiency Analyses (EEAs). EEA is a method to quantify the relative environmental (energy, emissions, land use, raw materials, risk potential, and toxicity potential) and economic impacts of product or process alternatives through their anticipated life cycles. The World Business Council for Sustainable Development (WBCSD) developed the term eco-efficiency in 1992 and, in the simplest terms, it is a management philosophy intended on creating more goods and services while consuming fewer resources and generating less waste and pollution. EEAs meeting the protocol requirements accurately and comprehensively achieve generally-accepted life-cycle analysis and sustainability principles and standards. The protocol consists of two parts: an EEA Methodology Validation Procedure (Part A), and an EEA Study Verification Procedure (Part B). In order to meet the protocol requirements, a EEA studies must be undertaken using a methodology validated to the requirements of P352 Part A.
Visit the Eco-Efficiency website or learn more about P352 in this downloadable Q&A document.
NSF Protocol P353
Sewage Sludge Sterilization in Organically-Enhanced Granular Fertilizer Production
Summary: This Protocol establishes requirements for organically-enhanced granular fertilizer manufacturers that utilize sewage sludge as a replacement for water. This 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. These claims are achieved by analyzing samples of the fertilizer for metals, combustibility, and a variety of pathogens, such as bacteria, viruses, spores and parasites, including Helminth ova. Additionally, each facility producing organically-enhanced granular fertilizer must adhere to Hazard Analysis and Critical Control Points (HACCP) requirements. Learn more about P353 in this downloadable Q&A document.