United States
Environmental Protection
Agency
Pesticides and
Toxic Substances (H7506C)
Protecting Endangered
Species
Interim Measures
Maricopa 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 EPA
expects to implement program requirements
beginning in 1993. 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
let us know whether the information is clear and
correct. Also tell us to what extent following the
recommended measures would affect you 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 (H7S06C)
U.S. EPA
401 M Street, SW
Washington, DC 20460
Recycled/Recyclable
Printed on paper that contains
at least 50% recycled liber
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.
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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
IW-
2,4-D 28
2,4-D (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
OXYFLUORFEN
PARAQUAT 28
PICLORAM 28
POTASSIUM PICLORAM 28
SODIUM DICAMBA 28
TEBUTHIURON 28
TRIETHYLAMINE PICLORAM 28
i ^S^sl
28
28
28
28
28
28
28
28
28
28
28
33
28
28
28
28
28
28
Limitations On Pesticide Use
Code Limitation
28
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 within one-quarter mile of
species habitat.
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Maricopa County, Arizona
Legend
County Border
County Seat
City
Interstate, Forest Service
Highway
4-Wheel Drive Road
or Trail
Park, Reservation,
Forest, Refuge
River, Stream, Creek
Lake, Reservoir
Seven
Springs
Road
FR24
C°unty Border
Horseshoe
Reservoir
Mazatzal
Wilderness
Area
T i ^p«fs^>d^?s"-=-
•ToatsCSSw.—
National __ „.
•Forest*
Bartlett
Reservoir
Horseshoe Rd.
Val
Verde
River
Shading Key
Arizona agave, Agave arizonica (Agavaceae, the agave family). The shaded area shown
on the map is bound on the north by the county line; on the west by the Tonto National ,
Forest boundary; on the south by the Tonto National Forest boundary, Cave Creek Road,
and Horseshoe Dam Road (FR205); and on the east by Horseshoe Dam Raod (FR205) and
Horseshoe Reservoir. Use limitations only apply within this area. West of Seven Springs
Road (FR24), use limitations do not apply in irrigated pastureland and cropland.
Arizona cliffrose, Cowan/a subintegra (Rosaceae, the rose family). Use limitations only
apply within the shaded area shown on the map.
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Reducing Runoff and Drift
Careful use of pesticides can diminish harm to the environment and reduce exposure of endangered and
threatened species to pesticides. Using pesticide runoff and drift measures may be helpful in keeping more
of the applied pesticide on the field and may also lower your costs of pesticides.
Runoff
Where possible, use methods which reduce soil erosion, such as limited till and contour plowing; these
methods also reduce pesticide runoff.
Where feasible, use application techniques such as T banding and in-furrow techniques, which incorporate
the pesticide into the soil.
Pesticides with ground water warning labels are more likely to enter ground and surface water than those
without such warnings. When possible, use a pesticide that does not contain a ground water warning label.
Keep informed about changing weather conditions, and try to avoid pesticide application when heavy
rainfall is expected.
Drift
Wind direction, speed, and evaporation are important factors in reducing drift. Most importantly,
pesticides should be applied when the wind direction is away from areas of concern; try to avoid applica-
tion during periods of high winds. Avoiding applications during the hottest part of the day, when evapora-
tion is highest, will further reduce drift.
When high winds and excessive evaporation are not present, a drift retardant may be useful for aerial
applications.
Using the largest droplet size compatible with the pesticide coverage will reduce drift. Typically, higher
spray volumes will also result in less drift.
For the Protection of Your Land, Always Read and Follow Label Directions
&EPA
United States
Environmental Protection
Agency
(H7506C)
Washington, DC 20460
Official Business
Penalty for Private Use
$300
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