Quantitative
Usage
Analysis
for
Hexazinone
Case
Number:
0266
PC
Code:
107201
Date:
August
7,
2002
Analyst:
Frank
Hernandez
Based
on
available
pesticide
usage
information
for
the
years
of
1992
through
2001,
total
annual
domestic
usage
of
hexazinone
averaged
approximately
one
million
pounds
of
active
ingredient
(a.
i.)
on
about
one
million
acres
treated.
Hexazinone
is
a
herbicide
with
its
largest
markets,
in
terms
of
total
pounds
active
ingredient,
allocated
to
forestry
(55%),
alfalfa
(35%),
and
pasture/
rangeland
(7%).
Crops
with
a
high
percentage
of
total
U.
S.
planted
acres
treated
include
nurseries
(4%),
and
alfalfa
(2%).
Crops
with
less
than
1
percent
of
the
site
treated
include
berries,
other
hay,
landscape,
pasture/
rangeland,
and
sugarcane.

Acres
Pounds
A.
I.
Application
Rate
Planted
Treated
1,000
%
1,000
lbs.
a.
i./
A
Alfalfa
25,000
500
2
350
0.7
Berries
100,000
11
<1
10
0.9
Forestry
50,000
400
1
550
1.4
Hay,
Other
33,000
24
<1
8
0.3
Landscape
30,000
5
<1
10
2.0
Nurseries
400
15
4
10
0.7
Pasture/
Rangeland
90,000
77
<1
70
0.9
Sugarcane
1,000
2
<1
1
0.5
1,034
1,009
SOURCES:
EPA
data,
USDA,
and
National
Center
for
Food
and
Agricultural
Policy
