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Quick Guide for Disinfectant Products for Drinking Water Use by Public Water Systems

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Quick Guide for Disinfectant Products for Drinking Water Use by Public Water Systems Office of Pesticide Programs September 2017 Quick Guide for Disinfectant Products for Drinking Water Use by Public Water Systems Understanding Your Responsibility under FIFRA and How FIFRA Approval Relates to SDWA Purpose: primary enforcement responsibility to implement and enforce these regulations (called “primacy”). EP! The U.S. Environmental Protection Agency (EPA) has maintains oversight of the states’, tribes’ and territories’ developed this quick reference guide to provide clarity drinking water programs, including independent federal for applicants seeking approval for disinfectant products enforcement authority. The SDWA generally imposes for drinking water use. Pesticide products that bear a requirements on PWSs, not on product manufacturers. drinking water disinfection label claim are regulated As a result, there is no disinfectant product approval, under the Federal Insecticide, Fungicide, and Rodenticide registration or license under the SDWA. However, some Act (FIFRA). These products may also be used by public states, tribes or territories may have such requirements. water systems (PWSs) that are regulated under the Safe Drinking Water Act (SDWA). Registration of a pesticide product or regulatory compliance of a pesticide device under FIFRA does not Comparing the Two Statutory Programs, mean that it meets the requirements of other FIFRA and SDWA: environmental and public health protection statutes, The objective of FIFRA is to protect human health and the including the SDWA, or vice versa. Furthermore, FIFRA environment through regulation of pesticide registration does not mean that the product meets state, distribution, sale and use. All pesticides distributed or tribal or territorial laws regarding drinking water sold in the U.S. must be registered (licensed) by EPA, products for use by PWSs. unless exempt. Registration ensures that pesticides are properly labeled and that, if used in accordance with How to Use this Guide: their approved labeling, they will not cause unreasonable The graphic on page 2 illustrates general steps for adverse effects on the environment or human health. obtaining product approval for drinking water disinfection use by PWSs. Note that it is not intended to The SDWA is the primary federal law that protects public convey the steps in a strict chronological order. drinking water supplies throughout the nation. Under Depending on the applicant’s specific needs, certain the SDWA, Congress directs EPA to set national drinking steps may take place sooner than others. For more water standards to protect public health but allows details on each step of the process, see pages 3 and 4. states, tribes and territories to seek EPA approval for Quick Guide for Disinfectant Products for Drinking Water Use by PWSs 1 Understanding Your Responsibility under FIFRA and How FIFRA Approval Relates to SDWA If the product is intended to be used for drinking water disinfection by PWSs, SDWA FIFRA then proceed as outlined below: S-1) Is the product recognized Consult with EPA F-1) Is the product a Device in the Surface Water Drinking Water pesticide or a device? Treatment Rules and Ground Offices Water Rule (e.g., chlorine, Pesticide EPA Internal F-2b) Follow chloramine, chlorine dioxide, EPA – State/Tribe/Territory Coordination guidance from ozone, or UV)? Coordination F-2a) Contact the appropriate Product Team Pesticide No Registration Yes to request a pre-application meeting to Manual S-2b) Consult with identify requirements for product registration. S-2a) For information on PWS state, tribe or territory for devices. requirements for disinfection, on review procedures refer to 40 CFR 141.72, 40 CFR for drinking water F-3) Review Office of Pesticide Programs (OPP) efficacy 141.74, CFR 141.403, Guidance technologies data guidance in OCSPP Guideline 810.2600 for drinking Manual for Compliance with (Water Supply water uses. Consult with the Antimicrobials Division (AD) the Filtration and Disinfection Guidance 90). for efficacy protocol development and/or protocol Requirements, Stage 1 and 2 modifications prior to testing. Disinfectants and Disinfection Byproducts Rules and UV F-4) Prepare registration package according to the Disinfection Guidance Manual. S-3) If required by the state, tribe or territory, Pesticide Registration Manual and submit to OPP. submit application to state, tribe or territory 2 F-5) Await registration decision. for product approval. F-6) Upon approval of FIFRA registration, proceed with any required state pesticide registration process. 1 This process is applicable for new and existing products seeking a drinking water use label for PWS disinfection. 2 FIFRA registration should be obtained before submission to state, tribe or territory. 2 United States Office of Pesticide Programs Environmental Protection Agency FIFRA: F-1) Applicants should first determine whether the F-2b) While devices are subject to certain EPA product is a pesticide or device. Unless exempt, regulatory requirements, they do not require pesticide products and devices that make registration as pesticide products. A device is antimicrobial claims of efficacy are subject to subject to the FIFRA prohibition against certain EPA regulatory requirements. FIFRA misbranding and must be produced in an EPA- defines a pesticide as any substance or mixture registered establishment. of substances intended for preventing, destroying, repelling, or mitigating any pest. The Additional information on pesticide devices and term pesticide includes antimicrobials (e.g., the associated FIFRA requirements is available sterilants, disinfectants, sanitizers) in addition to on EP!’s website including the Pesticide various other substances used to control pests. Registration Manual. A pesticide device is defined in FIFRA as an F-3) For products that claim efficacy against a public instrument or contrivance (without a chemical health pest, an applicant must submit data substance) that is used to destroy, repel, trap or demonstrating that efficacy in order to obtain a mitigate any pest such as insects, weeds, product registration. General efficacy testing rodents, animals, birds, mold/mildew, bacteria guidance for drinking water uses is available in and/or viruses. Devices include ultraviolet light OCSPP Guideline 810.2600. Applicants should systems, ozone generators, water filters, etc. consult with OPP AD Efficacy Evaluation Team on They do not include equipment used for the efficacy protocol development and/or protocol application of pesticides when sold separately modifications prior to conducting efficacy from the pesticide. testing. F-2a) Unless exempt, products that contain a F-4) Once an applicant has completed the data and substance or mixture of substances and make a labeling requirements for the product (as agreed pesticidal claim must be registered by EPA prior upon at the pre-application meeting), the to sale or distribution. Applicants seeking applicant should prepare a registration package registration of an antimicrobial pesticide should according to the Pesticide Registration Manual contact the appropriate Product Team within the and submit the package to the Agency for Office of Pesticide Programs’ (OPP) review. Antimicrobials Division (AD) to request a pre- application meeting to identify data and labeling F-5) OPP will review the submission and maintain requirements for the product. Data contact with the applicant regarding the status requirements may include, but are not limited to, of the review and any deficiencies. At the efficacy, chemistry, acute toxicity, chronic completion of the review, the applicant will toxicity and environmental fate studies. receive a final product registration decision from Applicants are encouraged to refer to the Label the Agency. Review Manual as a general guide to pesticide labeling. Note: For new products undergoing F-6) Upon approval of the federal registration, FIFRA registration for drinking water disinfection registrants should proceed with any required use in PWSs, EPA will coordinate internally to state pesticide registration process. States may ensure that requirements under both FIFRA and have stricter standards than those prescribed in SDWA are addressed. federal regulations. Note: FIFRA registration for drinking water use should be obtained before submission to a state, tribe or territory for product approval under their drinking water laws. 3 United States Office of Pesticide Programs Environmental Protection Agency to request additional data or information about SDWA: the technology. States, tribes and territories and S-1) EPA does not register or approve disinfection technology manufacturers can refer to EP!’s products under the SDWA, but instead imposes Water Supply Guidance (WSG) 90 for guidance on types of data or information that may be requirements on each regulated PWS3 to deliver requested as part of the state, tribe or territory’s water that meets specific standards to persons evaluation and approval of alternative drinking served by the system. Each PWS must determine water treatment technologies. Applicants are what product or combination of products to use encouraged to contact the state, tribe or to meet the federal and any applicable state, territory for specific guidance on procedures for tribal or territorial drinking water requirements. approval of new products for use in a PWS. EP!’s drinking water rules do provide requirements for disinfecting water supplies. For products and technologies not covered Applicants with such products should consult the
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