EPA’s initial emergency exemption for the state of Texas issued on August 24, 2020, specified that the product remained effective for seven days. According to its updated labels for all three states, EPA has now approved claims that SurfaceWise2 provides residual surface control of the coronavirus SARS-CoV-2 on surfaces that are undisturbed for up to 30 days. The updated labels state “When used in accordance with the directions for use, SurfaceWise®2 provides residual surface control of coronaviruses, including SARS-CoV-2, for up to 30-days on undisturbed (e.g., are not routinely disinfected with List N products) non-porous treated surfaces.”
Of note, EPA also states in its announcement that SurfaceWise2 should be reapplied every time surfaces are disinfected to ensure continuous product performance as exposure to prolonged wetness may adversely impact the efficacy of the product. The updated labels state in the Directions for Use that the user must “Reapply SurfaceWise®2 after surfaces are disinfected to ensure continuous product performance” and “Do not expose SurfaceWise®2 to prolonged wetness as this may adversely impact the efficacy of the product.”
FIFRA Section 18 authorizes EPA to exempt federal or state agencies from any provision of FIFRA in the event that emergency conditions require such an exemption. EPA regulations (40 C.F.R. Part 166) specify when state or federal government agencies will be permitted to use unregistered pesticides in response to an emergency. EPA’s regulations provide that an emergency exists when:
There is an “urgent, non-routine” situation requiring the use of a pesticide to control a new pest not previously prevalent in the United States, to control significant risks to health, the environment, beneficial organisms, or endangered species, or to prevent specified types of economic loss; and
There is no registered pesticide or economically or environmentally feasible alternate method of control available.
Pesticide Blog, 3 February 2021