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The Washington State Department of Agriculture (WSDA) is responsible for the registration of pesticides in Washington. Washington pesticide registration requirements are found in the Washington Pesticide Control Act, and the General Pesticide Rules. Pesticides that require registration in Washington include (but are not limited to) all insecticides, herbicides, fungicides, rodenticides, nematicides, disinfectants, germicides, biocides, plant regulators, defoliants, desiccants and spray adjuvants. This includes minimum risk pesticides that are exempt from federal registration.

The Environmental Protection Agency (EPA) is responsible for federal pesticide registration. Federal pesticide registration requirements are found in the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA), and the Code of Federal Regulations (40 CFR). In most cases, federal pesticide registration under Section 3 of FIFRA is required prior to pesticide registration in Washington. Federal registration is not required for Section 25(b) minimum risk pesticides or spray adjuvants.

WSDA Pesticide Registration Requirements


Section 3 (FIFRA) Pesticides

Pesticides, plant regulators, defoliants and desiccants registered with the EPA under Section 3 of FIFRA must also be registered with WSDA prior to distribution in Washington. Products registered with WSDA must have a legal use in Washington.

Section 25(b) Minimum Risk Pesticides

Minimum risk pesticides (e.g. citric acid, corn gluten, garlic, mint oil) that are exempt from federal registration under Section 25(b) of FIFRA must be registered with WSDA prior to distribution in Washington.

Spray Adjuvants are products that are used to increase the effectiveness of a pesticide (e.g. extenders, penetrants, spreaders, stickers, surfactants) or to modify the characteristics of the tank mix (e.g. acidifiers, defoaming agents, drift control agents). Adjuvants must be registered with WSDA prior to distribution in Washington.

Section 24(c) Special Local Need (SLN) Registration

WSDA has the authority under Section 24(c) of FIFRA to register an additional use of a federally registered pesticide on a food/feed crop for which a tolerance has been established (or on a non-food/non-feed crop or site) for use in a special local need situation. A special local need could include: new application method or timing, different rate, new crop, new pest, less hazardous formulation, prevention of pesticide resistance or application to a different soil type.

  • The names of pesticides that are used within SLN are found here.

Section 18 Emergency Exemption from Registration

WSDA can request an emergency exemption from registration (Section 18 of FIFRA) from the EPA in order to allow the use of an unregistered pesticide in an emergency situation. An emergency situation could include: an outbreak of a new pest, development of resistance to existing pesticides, unusual weather conditions that caused a pest outbreak, or product cancellation.

Experimental Use Permit (EUP) / Aquatic EUP

An Experimental Use Permit is required for all experiments involving unregistered pesticides, and for all experiments involving uses not allowed by the pesticide label.

  • Imidacloprid: Example of EUP

EUP was released for the use of Imidacloprid to investigate the efficacy and non-target effects of the pesticide against burrowing shrimp in oyster and manila clam beds in Willapa Bay and Grays harbor in Washington state.

Notice where EPA announces the receipt of applications 86414-EUP-E and 86414-EUP-R from Washington State University Long Beach Research Unit requesting experimental use permits (EUPs) for the pesticide imidacloprid.

  • Imazamox: Example of EUP

Experimental usage of Clearcast® Herbicide (active ingredient: Imazamox) for control of Japanese eelgrass (Zostera japonica) was allowed under Washington State Experimental Use Permit Number 10011 in Willapa Bay in Pacific County between April 19, 2010, and November 30, 2010.

External Links


Saving the Oyster

References


WSDA. Washington State Department of Agriculture
USDA. United Sates Department of Agriculture. Developing integrated pest controls for the oyster industry to replace carbaryl for burrowing shrimp control.

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