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EPA
United States
Environmental Protection
Agency
20T-3002
September 1990
Pesticides And Toxic Substances (H-7506C)
Protecting Endangered
Species
Interim Measures
Navajo County, Arizona
The information in this pamphlet is
similar to what the U.S. Environmental
Protection Agency (EPA) expects to
distribute once our Endangered Species
Protection Program is in effect. The
limitations on pesticide use are not law at
this time, but are being provided now for
your use in voluntarily protecting
endangered and threatened species from .
harm due to pesticide use. We encourage
you to use this information. We also
welcome your comments.
The Endangered Species Act is intended
to protect and promote recovery of animals
'and plants that are in danger of becoming
extinct due to the activities of people.
Under the Act, EPA must ensure that use
of pesticides it registers will not result in
harm to the species listed as endangered or
threatened by the U.S. Fish and Wildlife
Service, or to habitat critical to those
species' survival. To accomplish this, the
ErA expects to implement program
requirements beginning in 1991. This
program will protect endangered and
threatened species from harm due to
pesticide use.
EPA requests your comments regarding
the information presented in this
publication. Please drop us a line to let us
know whether the information is clear and
correct. Also tell us to what extent
following the recommended measures
would affect your typical pesticide use or
productivity. This information will be
considered by EPA during the final stages
of program development.
Please submit comments to:
Interim Endangered Species
Protection Program (H7506C)
Public Docket and Information Section
U.S. EPA
401 M Street, SW
Washington, DC 20460
About This Publication
This publication contains a County Map
showing the area within the county where
pesticide use should be limited to protect
listed species. These areas are identified on
the map by a shaded pattern. Each shaded
pattern corresponds to a species in need of
protection.
The Shading Key shows the name of the
species that each shaded pattern represents
and describes the shaded area. The area
may be described in terms of Township,
Range, and Section or by giving details
about the habitat of the species.
The first column of the "Table of Pesticide
Active Ingredients" lists the active
ingredients for which there should be
limitations on use to protect certain species.
The next columns are headed by the shaded
pattern of the species with Codes listed
underneath them.
The Code indicates the specific limitation
that is necessary to protect the species. The
section titled Limitations on Pesticide Use
explains the code.
Does This Information Apply To
You?
To determine whether this information
applies to your use of a pesticide, review
the questions below. The information
applies only if you answer "yes" to both
questions:
• Do you intend to use pesticides within
the shaded area on the county map?
• Are any of the ingredients listed on the
front panel of your pesticide product label
named in the "Table of Pesticide Active
Ingredients"?
If you answer "yes" to both questions,
you should follow the instructions on "How
to Use This Information" to determine if
you should limit use of the pesticide to help
protect listed species.
If you answer "no" to either question,
you should follow the usage directions on
the pesticide product label.
^gy Printed on Recycled Paper
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How To Use This Information
1) On the county map, find the specific shading patterns
that cover the area where you will apply pesticides.
2) Read the shading key for those patterns to identify
the specific area involved.
3) In the "Table of Pesticide Active Ingredients," locate
the active ingredients in the pesticide you intend
to apply.
4) Locate the code to the right of the active ingredient
name and under the shading patterns that apply
to you.
5) When using the pesticide, you should follow the
limitations indicated for those codes described under
"Limitations on Pesticide Use."
6) If you are applying more than one listed active
ingredient or applying a listed active ingredient in
an area with more than one shaded pattern (species),
multiple codes may apply. If so, you should follow
the most restrictive limitation.
Table Of Pesticide Active Ingredients
Active Ingredient
Shading Pattern/Code
X/;;;;,';..:
2,4-D 28
2,4-0 (AMINES, ESTERS, SALTS) 28
AMMONIUM SULFAMATE 28
ATRAZINE 28
DICAMBA 28
DICHLORPROP (2,4-DP) 28
DIMETHYLAMINE DICAMBA 28
HEXAZINONE 28
MCPA, ACID 28
MCPA (AMINES) 28
MCPA (SALTS) 28
METRIBUZIN
OXYFLUORFEN
PARAQUAT 28
PICLORAM 28
POTASSIUM PICLORAM 28
SODIUM DICAMBA 28
SULFOMETURON-METHYL
TEBUTHIURON 28
TRIETHYLAMINE PICLORAM 28
?////
28
28
28
28
28
28
28
28
28
28
28
32
33
28
28
28
28
32
28
28
Limitations On Pesticide Use
Code Limitation
28
32
33
Do not apply within 100 yards of species
habitat for aerial applications or within
20 yards of species habitat for ground
applications.
Do not apply on rights-of-way within
species habitat.
Do not apply within one-quarter mile of
species habitat.
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Navajo County, Arizona
N
Legend
— County Border
County Seat
City
Interstate, U.S.. State,
Indian Highway
40
Shading Key
Navajo sedge, Carex specuicola (Cyperaceae, the sedge family). Within the shaded area
shown on the map, use limitations only apply within a 1-mile radius around sandstone seeps
and springs except in irrigated pastureland and cropland.
Peebles Navajo cactus, Pediocactus peeblesianus var. peeblesianus (Cactaceae, the
cactus family). The shaded area shown on the map is T20N R18E-R20E, T19N R17E-R22E,
T18N R17E-R22E, T17N R17E-R22E, and T16N R17E-R22E. Use limitations only apply within
this area.
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