16 • PESTI IDE REGISTRATION AND THE LABEL
comply with in the same manner as any other registered label.
Special Local Need Registrations. Special Local Need (SLN) registrations are categorized as Section 24(c) registrations. They allow states to expand the uses of certain registered pesticides within their jurisdictions. For instance, some SLNs allow uses of pesticides for crops or sites not listed on the label. Manufacturers must provide the label for each SLN registra- tion.
The registration numbers of Special Local Need labels include “SLN” and the code for the state issuing the registration (CA). These registrations are legal only in the region, state, or local area specified on the label. Applying a pesticide having an SLN from another state or region subjects you to civil and criminal penalties.
To find out which SLN registrations pertain to your area, contact any of the following:
the local county agricultural
a UC Cooperative Extension farm
a pest control dealer
RESEAR H AUTHORIZATIONS
California has specific regulations regarding experimental, unregistered uses of pesticide products. In most cases, before you use pesticides in these ways, you are required to obtain a Research Authorization from the Pesticide Registration Branch of DPR. A Research Authorization is not an exemption from pesticide registration. Research Authorizations are issued only to allow research for unregistered uses on limited acreage. They some- times require that the research crop be destroyed. California’s Research Authorization program is meant to allow for research that contributes to the registration process. Research
Authorizations are different from Experimental Use Permits, which must be reviewed and registered by the U.S. EPA and then by DPR.
In some cases, colleges and universi- ties doing research under established university policies do not need to obtain a Research Authorization. Check with your institution. Pesticide regis- trants doing experimental work on property under their control do not need to obtain a Research Authoriza- tion.
DEVIATIONS FROM LABEL DIRE TIONS
Sometimes regulations allow you to use pesticides in a manner that varies from label directions. These methods generally involve safer or less disrup- tive uses of the pesticide. For instance, University of California Pest Manage- ment Guidelines sometimes recommend pesticide rates that are lower than label instructions. Researchers recommend these rates to protect beneficial organ- isms.
Following are the only label devia- tions allowed by California law. These exceptions may change at any time or may not apply in certain instances. Always check with DPR or your local agricultural commissioner before using a pesticide in any manner that varies from label directions.
Decrease in rate er unit treated. Some guidelines call for less pesticide than the amount listed on the label, al- though the volume of diluent or carrier, such as water or oil, must remain the same. This is usually because a lower rate is less disruptive to natural enemies. Consider, for example, the guidelines for controlling spider mites in almonds. If there are adequate levels of beneficials, the guidelines recommend as little as 1/10 of the label rate of specific acaricides. The lower rate reduces pest numbers to a level where predators can maintain control.