Carbaryl, Carbofuran, and Methomyl - National Marine Fisheries ...

affect but is not likely to adversely affect” 18 ESUs, and “may affect” 3 ESUs of listed
salmonids. EPA’s “no effect” determinations applied to the California Coastal Chinook
salmon, Central California coho salmon, and Northern California steelhead.
On June 28, 2005, NMFS listed the Lower Columbia River coho salmon ESU as
endangered. Given this recent listing, EPA’s 2003 and 2004 effects determinations for
carbaryl, carbofuran, and methomyl on listed Pacific salmonids lack an effects
determination for the Lower Columbia River coho salmon.
On May 22, 2007, NMFS listed the Puget Sound Steelhead Distinct Population Segment
(DPS) as threatened. Given this recent listing, EPA’s 2003 and 2004 effects
determinations for carbaryl, carbofuran, and methomyl on listed Pacific salmonids lack
an effects determination for the Puget Sound steelhead.
On December 10-12, 2007, EPA and the Services met and discussed approaches for
moving forward with ESA consultations and pesticide registrations. The agencies agreed
to develop methodologies for filling existing data gaps. In the interim, the Services will
develop approaches within their Opinions to address these gaps. The agencies identified
communication and coordination mechanisms to address technical and policy issues and
procedures for conflict resolution.
On February 11, 2008, NMFS listed the Oregon Coast coho salmon ESU as threatened.
EPA’s 2003 and 2004 initiation packages for carbaryl, carbofuran, and methomyl
provided an effects determination for the Oregon Coast coho salmon ESU. This ESU
was previously listed in 1998 and its ESA status was in-flux until 2008.
On August 20, 2008, NMFS met with EPA and requested EPA to identify applicants for
this and subsequent pesticide consultations. NMFS also requested information on EPA’s
cancellation of carbofuran and of existing stocks of carbofuran.
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