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

Table of Contents
Background ........................................................................................................................ 3
Consultation History.......................................................................................................... 6
Description of the Proposed Action................................................................................. 16
The Federal Action ................................................................................................... 16
Carbaryl..................................................................................................................... 22
Carbofuran ................................................................................................................ 27
Methomyl.................................................................................................................. 32
Species Addressed in the BEs................................................................................... 36
Approach to this Assessment ........................................................................................... 38
Overview of NMFS’ Assessment Framework ............................................................... 38
Evidence Available for the Consultation .................................................................. 41
Application of Approach in this Consultation .......................................................... 41
General conceptual framework for assessing risk of EPA’s pesticide actions to listed
resources. .................................................................................................................. 43
Problem Formulation ................................................................................................ 43
Risk Characterization................................................................................................ 53
Other Considerations ................................................................................................ 54
Action Area....................................................................................................................... 55
Status of Listed Resources ............................................................................................... 58
Chinook Salmon............................................................................................................ 59
Description of the Species ........................................................................................ 59
Status and Trends...................................................................................................... 60
California Coastal Chinook Salmon ......................................................................... 62
Central Valley Spring-Run Chinook Salmon ........................................................... 66
Lower Columbia River Chinook Salmon ................................................................. 71
Upper Columbia River Spring-run Chinook Salmon................................................ 76
Puget Sound Chinook Salmon .................................................................................. 80
Sacramento River Winter-Run Chinook Salmon...................................................... 85
Snake River Fall-Run Chinook Salmon.................................................................... 88
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