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On January 22, 2004, the U.S.
District Court for the Western District of Washington
at Seattle imposed no-use buffer zones around salmon-supporting
waters (as defined by the court) in Washington, Oregon,
and California for certain pesticides. On April 28,U.S. EPA launched the Enviromapper Site, an interactive mapping website to help pesticide users better understand the court-ordered buffers. Another source of information on salmon-supporting waters in California where these measures apply is in the section lists in the back of DPR's endangered species
county bulletins.
The section lists in the bulletins provide only
an index to watersheds where listed salmon and steelhead
trout are known to occur. Within listed sections protection
measures apply to flowing waters that contain fish where
fish passage to the ocean is not prevented by dams or
other impassable barriers. Note that the court order
supersedes the protection measures in the bulletins.
The court's order will remain
in effect for each pesticide listed below until any
of the following occur:
- The U.S. Environmental Protection Agency (U.S. EPA) determines that these pesticides have no effect
on listed Pacific salmon and steelhead, or
- U.S. EPA makes a determination that these pesticides are
not likely to adversely affect these species, or
- U.S. EPA completes consultation with the National Marine
Fisheries Service about the potential effects of
the pesticides on Pacific salmon and steelhead.
Meanwhile, under the court order, no-use buffer zones of 20 yards for ground applications
and 100 yards for aerial applications apply from the edge of salmon-supporting
waters for use of the following active ingredients (and
sample trade names*):
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1,3-Dichloropropene (Telone)
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Lindane (Lindane)
|
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2,4-D (Weedar 64)
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Linuron (Lorox)
|
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Acephate (Orthene)
|
Malathion (Malaspray)
|
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Azinphos-methyl
(guthion) |
Methamidophos
(Monitor) |
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Bensulide (Prefar)
|
Methidathion
(Supracide) |
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Bromoxynil (Buctril)
|
Methomyl (Lannate) |
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Carbaryl (Sevin)
|
Methyl Parathion
(Penncap-M) |
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Carbofuran (Furadan) |
Metalochlor (Dual) |
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Chlorothalonil
(Bravo) |
Metribuzin (Sencor)
|
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Chlorpyrifos
(Lorsban, Dursban) |
Naled (Dibrom)
|
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Coumaphos (Agridip) |
Oxyfluorfen (Goal) |
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Diazinon (Spectracide) |
Pendimethalin
(Prowl) |
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Diflubenzuron
(Dimilin) |
Phorate (Thimet)
|
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Dimethoate (Cygon)
|
Prometryn (Caparol)
|
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Disulfoton (Di-Syston)
|
Propargite (Omite) |
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Diuron (Karmex)
|
Tebuthiuron
(Spike) |
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Ethoprop (Mocap)
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Tryclopyr -
ester (Garlon 4) |
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Fenbutatin-oxide
(Vendex) |
Trifluralin
(Treflan) |
*This list may not include every trade name for each
active ingredient. Always check the active ingredient
list on the label to verify presence of the above ingredients.
For more information:
- Court Order in the case of Washington Toxics Coalition, et. al., v. US. EPA, Western District of Washington (January 22, 2004). (PDF, 754 kb)
- Federal Register notice (February 17, 2004) announcing
the availability of the court ruling.
- Questions and answers from U.S. EPA about the specific buffers
imposed.
If you have more questions about these requirements, contact:
Arty Williams
U.S. EPA Field and External Affairs Division
Washington, D.C.
Telephone: (703) 305-5239
email:
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