Document ID: EPA-HQ-OPP-2004-0167-0013
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2004-05-20T04:00Z

APPENDIX
F
­
2,4­
D
Turf
Transferable
Residue
(
TTR)
Data
SPREADSHEET
F1
­
2,4­
D
TTR
DATA
SUMMARY
Treatment
App
Rate
(
lb
ae/
A)
GPA
Initial
TTR
(
ug/
cm2)
Initial
TTR
(
Percent)
MAX
TTR
(
ug/
cm2)
Max
TTR
(
Percent)
Slope
Factor
Percent
Relative
Error
N
R2
Half
Life
(
days)

MRID
446557­
02
North
Carolina
Trial
1
­
Effect
of
Form
DMA
1.72
10.3
0.308
1.6
0.561
2.9
­
0.83
9.8
27
0.81
0.83
2­
EHE
1.7
10.2
0.231
1.2
0.340
1.8
­
0.56
5.1
30
0.93
1.24
DMA
Mix
1.58
9.9
0.16
0.9
0.309
1.7
­
1.39
11
21
0.83
0.50
MRID
446557­
03
North
Carolina
Trial
2
­
Effect
of
Spray
Volume
DMA
Mix
1.76
2.0
0.194
1.00
0.229
1.2
­
2.66
15
15
0.71
0.26
DMA
Mix
1.76
5.0
0.249
1.3
0.249
1.3
­
3.02
11
15
0.90
0.23
DMA
Mix
1.76
20
0.159
0.80
0.171
0.87
­
2.44
6.5
15
0.95
0.28
Avg
0.200
1.00
­
2.26
5.8
45
0.87
0.31
MRID
450331­
01­
California
Trials
DMA
1.67
9.9
0.242
1.3
0.242
1.3
­
0.25
17
24
0.60
2.77
DMA
Mix
1.66
9.9
0.197
1.10
0.197
1.1
­
0.26
9.5
24
0.83
2.67
MRID
450331­
01­
Wisconsin
Trials
DMA
1.65
9.5
0.207
1.10
0.207
1.1
N/
A
N/
A
N/
A
N/
A
N/
A
DMA
Mix
1.64
9.4
0.150
0.80
0.211
1.1
N/
A
N/
A
N/
A
N/
A
N/
A
AVG
1.1
1.4
­
1.6
10.1
0.83
1.0
MAX
1.6
2.9
­
0.25
17
0.95
2.77
MIN
0.8
0.9
­
3.0
5.1
0.60
0.23
Spreadsheet
F2:
MRID
446557­
02
NC1
Trial
(
2,4­
D
DMA)

DAT
2,4­
D
(
ng/
cm2)
Percent
TTR
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
<
0.879
Application
Rate
(
lbs
ae/
A
1.72
0
305
1.58
5.72
0
Gallons/
Acre
10.28
0
443
2.30
6.09
0
0
177
0.92
5.18
0
LOQ(
ng/
cm2)
0.879
0.50
297
1.54
5.69
0
LOD(
ng/
cm2)
Not
Specified
0.50
103.0
0.53
4.63
0
0.50
67.0
0.35
4.20
0
Avg
TTR
Percent
TTR
1
479
2.48
6.17
0
DAT
0.0
308
1.6
1
789
4.09
6.67
0
DAT
1.0
561
2.9
1
415
2.15
6.03
0
2
14.70
0.076
2.69
0
Field
Recovery
100
@
4ng/
cm2
(
n=
3,
SD
=
6.9)
2
8.18
0.042
2.10
0
(
Percent)
97.8
@
40ng/
cm2
(
n=
3,
SD
=
9.8)
2
15.40
0.080
2.73
0
All
samples
are
for
DAT
0.
3
7.58
0.039
2.03
0.06
3
5.00
0.026
1.61
0.06
Note:
DAT
1
samples
were
collected
one
hour
early
due
to
3
4.55
0.024
1.52
0.06
threat
of
rain
as
stated
in
protocol
deviation.
4
8.58
0.044
2.15
0
4
7.84
0.041
2.06
0
Regression
O
4
7.73
0.040
2.05
0
Constant
5.43
5
4.27
0.022
1.45
0
Std
Err
of
Y
Est
1.00
5
1.42
0.007
0.35
0
R
Squared
0.81
5
5.11
0.026
1.63
0
No.
of
Observations
27
6
2.90
0.015
1.06
0
Degrees
of
Freedom
25
6
3.00
0.016
1.10
0
6
4.74
0.025
1.56
0
X
Coefficient(
s)
­
0.832
7
0.44
0.002
­
0.82
0.04
Std
Err
of
Coef.
0.081
7
0.44
0.002
­
0.82
0.04
Relative
Error
9.8
7
1.97
0.010
0.68
0.04
Values
were
not
corrected
for
field
recovery
0
1
2
3
4
5
6
7
8
DAT
­
2
­
1
0
1
2
3
4
5
6
7
8
LN
of
ng/
cm2
R­
square
=
0.807
#
pts
=
27
y
=
5.43
+
­
0.832x
NC
Trial
1
­
2,4­
D
DMA
Spreadsheet
F3:
MRID
446557­
02
NC1
Trial
(
2,4­
D
EHE)

DAT
2,4­
D
(
ng/
cm2)
Percent
TTR
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
<
0.879
Application
Rate
(
lbs
ae/
A)
1.7
0
215
1.13
5.37
0
Gallons/
Acre
10.15
0
221
1.16
5.40
0
0
248
1.30
5.51
0
LOQ(
ng/
cm2)
0.879
0.50
240
1.26
5.48
0
LOD(
ng/
cm2)
Not
Specified
0.50
229.0
1.20
5.43
0
0.50
288.0
1.51
5.66
0
Avg
TTR
Percent
TTR
1
434
2.28
6.07
0
DAT
0.0
231
1.2
1
323
1.69
5.78
0
DAT
1.0
340
1.8
1
263
1.38
5.57
0
2
145.00
0.76
4.98
0
Field
Recovery
111
@
4ng/
cm2
(
n=
6,
SD
=
10.7)
2
109.00
0.57
4.69
0
(
Percent)
108
@
40ng/
cm2
(
n=
6,
SD
=
6.2)
2
74.80
0.39
4.31
0
111
for
DAT
0
(
n=
6,
SD=
3.4)
3
27.80
0.15
3.33
0.06
108
for
DAT
6
(
n=
6,
SD=
11.9)
3
63.70
0.33
4.15
0.06
3
42.60
0.22
3.75
0.06
4
49.50
0.26
3.90
0
Note:
DAT
1
samples
were
collected
one
hour
early
due
to
4
35.50
0.19
3.57
0
threat
of
rain
as
stated
in
protocol
deviation.
4
33.00
0.17
3.50
0
5
26.60
0.14
3.28
0
Regression
Output:
5
26.10
0.14
3.26
0
Constant
5.80
5
13.60
0.07
2.61
0
Std
Err
of
Y
Est
0.47
6
15.50
0.08
2.74
0
R
Squared
0.93
6
13.30
0.07
2.59
0
No.
of
Observations
30
6
4.86
0.03
1.58
0
Degrees
of
Freedom
28
7
11.80
0.06
2.47
0.04
7
6.40
0.03
1.86
0.04
X
Coefficient(
s)
­
0.56
7
14.90
0.08
2.70
0.04
Std
Err
of
Coef.
0.028
10
1.04
0.01
0.04
0.17
Relative
Error
5.09
10
2.20
0.01
0.79
0.17
10
0.44
0.00
­
0.82
0.17
Values
were
not
corrected
for
field
recovery
0
2
4
6
8
10
12
DAT
­
2
­
1
0
1
2
3
4
5
6
7
LN
of
ng/
cm2
R­
square
=
0.932
#
pts
=
30
y
=
5.8
+
­
0.558x
NC
Trial
1
­
2,4­
D
EHE
Spreadsheet
F4:
MRID
446557­
02
NC1
Trial
(
2,4­
D
DMA,
MCPP­
p
and
Dicamba)

DAT
2,4­
D
Raw
Data
(
ng/
cm2)
2,4­
D
Adjusted
(
ng/
cm2)
Percent
TTR
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
<
0.879
Application
Rate
(
lbs
ae/
A)
1.58
0
89
136
0.77
4.91
0
Gallons/
Acre
9.89
0
117
179
1.01
5.19
0
0
107
164
0.93
5.10
0
LOQ(
ng/
cm2)
0.879
0.50
156
239
1.35
5.48
0
LOD(
ng/
cm2)
Not
Specified
0.50
207.0
317
1.79
5.76
0
0.50
241.0
370
2.09
5.91
0
Avg
TTR
Percent
TTR
1
83
127
0.72
4.84
0
DAT
0.0
160
0.9
1
79
121
0.68
4.80
0
DAT
0.5
309
1.7
1
74
113
0.64
4.73
0
2
1.58
1.58
0.01
0.46
0
Field
Recovery
2
1.97
1.97
0.01
0.68
0
(
Percent)
81.2
@
4ng/
cm2
(
n=
6,
SD
=
17.1)
2
1.76
1.76
0.01
0.57
0
74.8
@
40ng/
cm2
(
n=
6,
SD
=
12.1)
3
1.12
1.12
0.01
0.11
0.06
65.2
for
DAT
0
samples
(
n=
6,
SD=
4.6)
3
1.55
1.55
0.01
0.44
0.06
90.8
for
DAT
6
samples
(
n=
6,
SD=
6.8)
3
0.44
0.44
0.00
­
0.82
0.06
4
1.09
1.09
0.01
0.09
0
Regression
Output:
4
1.19
1.19
0.01
0.17
0
Constant
5.27
4
0.97
0.97
0.01
­
0.03
0
Std
Err
of
Y
Est
1.16
5
0.44
0.44
0.00
­
0.82
0
R
Squared
0.83
5
0.44
0.44
0.00
­
0.82
0
No.
of
Observations
21
5
0.44
0.44
0.00
­
0.82
0
Degrees
of
Freedom
19
6
0.44
0.44
0.00
­
0.82
0
X
Coefficient(
s)
­
1.39
6
0.44
0.44
0.00
­
0.82
0
Std
Err
of
Coef.
0.15
6
0.44
0.44
0.00
­
0.82
0
Relative
Error
10.5
DAT
0
to
DAT
1.0
values
were
corrected
for
field
recovery
of
65.2
percent
DAT
2
to
DAT
6
values
were
not
corrected.
Note:
DAT
1
samples
were
collected
one
hour
early
due
to
threat
of
rain
as
stated
in
the
protocol
deviation.

0
1
2
3
4
5
6
7
DAT
­
2
­
1
0
1
2
3
4
5
6
7
LN
of
ng/
cm2
R­
square
=
0.802
#
pts
=
24
y
=
4.95
+
­
1.17x
NC
Trial
1
­
2,4­
D
DMA
MIX
Spreadsheet
F5:
MRID
446557­
03
NC2
Trial
2
GPA
Treatment
(
2,4­
D
DMA
with
MCPP­
p
DMA
and
Dicamba
DMA)

DAT
2,4­
D
Raw
Data
(
ng/
cm2)
2,4­
D
Adjusted
(
ng/
cm2)
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
<
0.879
Application
Rate
(
lbs
ae/
A)
1.76
0
87
110
4.70
0
Gallons/
Acre
2
0
270
343
5.84
0
0
102
129
4.86
0
LOQ(
ng/
cm2)
0.879
0.50
96
121
4.80
0
LOD(
ng/
cm2)
Not
Specified
0.50
61.5
78.0
4.36
0
0.50
57.1
72.5
4.28
0
Avg
TTR
Percent
TTR
1
210
266
5.59
0
DAT
0.0
194
1.0
1
155
197
5.28
0
DAT
1.0
229
1.2
1
177
225
5.41
0
2
1.61
1.79
0.58
0.17
Field
Recovery
89.7
@
4ng/
cm2
(
n=
6,
SD
=
7.18)
2
0.44
0.49
­
0.71
0.17
(
Percent)
78.8
@
40ng/
cm2
(
n=
6,
SD
=
5.90)
2
0.44
0.49
­
0.71
0.17
82.0
for
DAT
0
samples
(
n=
6,
SD=
5.8)
3
0.44
0.49
­
0.71
0.46
86.5
for
DAT
6
samples
(
n=
6,
SD=
10.6)
3
0.94
1.05
0.05
0.46
3
0.49
0.55
­
0.60
0.46
Regression
Output:
4
1.37
1.53
0.42
0.03
Constant
5.74
4
1.77
1.97
0.68
0.03
Std
Err
of
Y
Est
1.32
4
1.25
1.39
0.33
0.03
R
Squared
0.79
5
0.44
0.49
­
0.71
0.03
No.
of
Observations
15
5
0.44
0.49
­
0.71
0.03
Degrees
of
Freedom
13
5
0.44
0.49
­
0.71
0.03
X
Coefficient(
s)
­
2.21
Std
Err
of
Coef.
0.32
Relative
Error
14
DAT
0
to
DAT
1.0
values
were
corrected
for
field
recovery
of
78.8
percent
DAT
2
to
DAT
5
values
were
corrected
for
field
recovery
of
89.7
percent
0
1
2
3
4
5
6
DAT
­
2
­
1
0
1
2
3
4
5
6
7
LN
of
ng/
cm2
R­
square
=
0.789
#
pts
=
15
y
=
5.74
+
­
2.21x
NC
Trial
2
­
2
GPA
Spreadsheet
F6:
MRID
446557­
03
NC2
Trial
5
GPA
Treatment
(
2,4­
D
DMA
with
MCPP­
p
DMA
and
Dicamba
DMA)

DAT
2,4­
D
Raw
Data
(
ng/
cm2)
2,4­
D
Adjusted
(
ng/
cm2)
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
<
0.879
Application
Rate
(
lbs
ae/
A)
1.76
0
247
313
5.75
0
Gallons/
Acre
5
0
195
247
5.51
0
0
146
185
5.22
0
LOQ(
ng/
cm2)
0.879
0.50
132
168
5.12
0
LOD(
ng/
cm2)
Not
Specified
0.50
100
127
4.84
0
0.50
79
100
4.61
0
Avg
TTR
Percent
TTR
1.00
55.6
70.6
4.26
0
DAT
0.0
249
1.3
1.00
32.7
41.5
3.73
0
1.00
75.8
96
4.57
0
2
1.00
1.11
0.11
0.17
Regression
Output:
2
0.44
0.49
­
0.71
0.17
Constant
5.77
2
0.44
0.49
­
0.71
0.17
Std
Err
of
Y
Est
0.92
3
0.44
0.49
­
0.71
0.46
R
Squared
0.90
3
0.44
0.49
­
0.71
0.46
No.
of
Observations
15
3
0.44
0.49
­
0.71
0.46
Degrees
of
Freedom
13
4
0.44
0.49
­
0.71
0.03
X
Coefficient(
s)
­
2.38
4
0.44
0.49
­
0.71
0.03
Std
Err
of
Coef.
0.22
4
0.44
0.49
­
0.71
0.03
Relative
Error
9.3
5
0.44
0.49
­
0.71
0.03
5
0.44
0.49
­
0.71
0.03
Field
Recovery
5
0.44
0.49
­
0.71
0.03
89.7
@
4ng/
cm2
(
n=
6,
SD
=
7.18)
78.8
@
40ng/
cm2
(
n=
6,
SD
=
5.90)
82.0
for
DAT
0
samples
(
n=
6,
SD=
5.8)
86.5
for
DAT
6
samples
(
n=
6,
SD=
10.6)

DAT
0
to
DAT
1.0
values
were
corrected
for
field
recovery
of
78.8
percent
DAT
2
values
were
corrected
for
field
recovery
of
89.7
percent
0
1
2
3
4
5
6
DAT
­
2
0
2
4
6
8
10
LN
of
ng/
cm2
R­
square
=
0.899
#
pts
=
15
y
=
5.77
+
­
2.38x
NC
Trial
2
­
5
GPA
Spreadsheet
F7:
MRID
446557­
03
NC2
Trial
20
GPA
Treatment
(
2,4­
D
DMA
with
MCPP­
p
DMA
and
Dicamba
DMA)

DAT
2,4­
D
Raw
Data
(
ng/
cm2)
2,4­
D
Adjusted
(
ng/
cm2)
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
<
0.879
Application
Rate
(
lbs
ae/
A)
1.76
0.0
140
178
5.18
0
Gallons/
Acre
20
0.0
99
126
4.84
0
0.0
136
173
5.15
0
LOQ(
ng/
cm2)
0.879
0.50
122
155
5.04
0
LOD(
ng/
cm2)
Not
Specified
0.50
158
201
5.30
0
0.50
125
159
5.07
0
Avg
TTR
Percent
TTR
1.00
29
37
3.60
0
DAT
0.0
to
0.50
159
0.80
1.00
32
41
3.71
0
DAT
0.5
171
0.87
1.00
46
58
4.06
0
2
1.65
1.84
0.61
0.17
Regression
Output:
2
1.23
1.37
0.32
0.17
Constant
5.59
2
1.50
1.67
0.51
0.17
Std
Err
of
Y
Est
0.60
3
0.44
0.49
­
0.71
0.46
R
Squared
0.95
3
0.44
0.49
­
0.71
0.46
No.
of
Observations
15
3
0.44
0.49
­
0.71
0.46
Degrees
of
Freedom
13
4
0.44
0.49
­
0.71
0.03
4
0.44
0.49
­
0.71
0.03
X
Coefficient(
s)
­
2.19
4
0.44
0.49
­
0.71
0.03
Std
Err
of
Coef.
0.14
5
0.44
0.49
­
0.71
0.03
Relative
Standard
Error
6.5
5
0.44
0.49
­
0.71
0.03
5
0.44
0.49
­
0.71
0.03
Field
Recovery
89.7
@
4ng/
cm2
(
n=
6,
SD
=
7.18)
78.8
@
40ng/
cm2
(
n=
6,
SD
=
5.90)
82.0
for
DAT
0
samples
(
n=
6,
SD=
5.8)
86.5
for
DAT
6
samples
(
n=
6,
SD=
10.6)

DAT
0
to
DAT
1.0
values
were
corrected
for
field
recovery
of
78.8
percent
DAT
2
to
DAT
3
values
were
corrected
for
field
recovery
of
89.7
percent
0
1
2
3
4
5
6
DAT
­
2
0
2
4
6
8
10
LN
of
ng/
cm2
R­
square
=
0.947
#
pts
=
15
y
=
5.59
+
­
2.19x
NC
Trial
2
­
20
GPA
Spreadsheet
F8:
MRID
446557­
03
NC
2
Gallon
Treatment
(
2,4­
D
DMA
with
MCPP­
p
DMA
and
Dicamba
DMA)

DAT
GPA
2,4­
D
Raw
Data
(
ng/
cm2)
2,4­
D
Adjusted
(
ng/
cm2)
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
<
0.879
Application
Rate
(
lbs
ae/
A)
1.76
0
2
87
110
4.70
0
Gallons/
Acre
2
0
2
270
343
5.84
0
0
2
102
129
4.86
0
LOQ(
ng/
cm2)
0.879
0
5
247
313
5.75
0
LOD(
ng/
cm2)
Not
Specified
0
5
146
185
5.22
0
0
5
195
247
5.51
0
Max
TTR
Percent
TTR
0
20
136
173
5.15
0
DAT
0.0
200
1.0
0
20
99
126
4.83
0
0
20
140
178
5.18
0
0.50
2.00
96
121
4.80
0
Field
Recovery
89.7
@
4ng/
cm2
(
n=
6,
SD
=
7.18)
0.50
2.00
61.5
78
4.36
0
(
Percent)
78.8
@
40ng/
cm2
(
n=
6,
SD
=
5.90)
0.50
2.00
57.1
72
4.28
0
82.0
for
DAT
0
samples
(
n=
6,
SD=
5.8)
0.50
5
100
127
4.84
0
86.5
for
DAT
6
samples
(
n=
6,
SD=
10.6)
0.50
5
79
100
4.61
0
0.50
5
132
168
5.12
0
Regression
Output:
0.50
20
122
155
5.04
0
Constant
5.70
0.50
20
125
159
5.07
0
Std
Err
of
Y
Est
0.95
0.50
20
158
201
5.30
0
R
Squared
0.87
1
2.00
177
225
5.41
0
No.
of
Observations
45
1
2.00
210
266
5.59
0
Degrees
of
Freedom
43
1
2.00
155
197
5.28
0
1
5
55.6
71
4.26
0
X
Coefficient(
s)
­
2.26
1
5
32.7
41
3.73
0
Std
Err
of
Coef.
0.13
1
5
75.8
96
4.57
0
Relative
Error
5.8
1
20
32
41
3.70
0
1
20
29
37
3.61
0
DAT
0
to
DAT
1.0
values
were
corrected
for
field
recovery
of
78.8
percent
1
20
46
58
4.07
0
DAT
2
values
were
corrected
for
field
recovery
of
89.7
percent
2
2.00
1.61
1.79
0.58
0.17
2
2.00
0.44
0.49
­
0.71
0.17
2
2.00
0.44
0.49
­
0.71
0.17
2
5.00
1.00
1.11
0.11
0.17
2
5.00
0.44
0.49
­
0.71
0.17
2
5.00
0.44
0.49
­
0.71
0.17
2
20.00
1.23
1.37
0.32
0.17
2
20.00
1.50
1.67
0.51
0.17
2
20.00
1.65
1.84
0.61
0.17
3
2.00
0.44
0.49
­
0.71
0.46
3
2.00
0.94
1.05
0.05
0.46
3
2.00
0.49
0.55
­
0.60
0.46
3
5.00
0.44
0.49
­
0.71
0.46
3
5.00
0.44
0.49
­
0.71
0.46
3
5.00
0.44
0.49
­
0.71
0.46
3
20.00
0.44
0.49
­
0.71
0.46
3
20.00
0.44
0.49
­
0.71
0.46
3
20.00
0.44
0.49
­
0.71
0.46
0
0.2
0.4
0.6
0.8
1
DAT
0
0.2
0.4
0.6
0.8
1
LN
of
ng/
cm2
R­
square
=
0.872
#
pts
=
45
y
=
5.7
+
­
2.26x
NC2
­
Average
Spreadsheet
F9:
MRID
450331­
01
CA
Trial
with
2,4­
D
DMA
by
itself
DAT
2,4­
D
(
ng/
cm2)
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
0.088
Application
Rate
(
lbs
ae/
A)
1.667
0.042
261
5.56
0
Gallons/
Acre
9.92
0.042
257
5.55
0
0.042
208
5.34
0
LOQ(
ng/
cm2)
0.879
0.17
198
5.29
0
LOD(
ng/
cm2)
0.088
0.17
243
5.49
0
0.17
223
5.41
0
Avg
TTR
Percent
TTR
0.33
118
4.77
0
DAT
0.0042
242
1.3
0.33
123
4.81
0
DAT
0.5
591
3.2
0.33
144
4.97
0
0.5
463
6.14
0
0.5
663
6.50
0
Field
fortification
data:
from
MRID
446557­
02
0.5
648
6.47
0
Recovery
100
@
4ng/
cm2
(
n=
3,
SD
=
6.9)
1
65.3
4.18
0
(
Percent)
97.8
@
40ng/
cm2
(
n=
3,
SD
=
9.8)
1
44.9
3.80
0
All
samples
were
for
DAT
0
1
45.8
3.82
0
2
56.9
4.04
0
Data
was
not
corrected
for
field
recovery
2
47.7
3.86
0
2
56.9
4.04
0
3
46.3
3.84
0
3
59.3
4.08
0
3
61.0
4.11
0
4
62.6
4.14
0
4
38.2
3.64
0
4
43.7
3.78
0
7
45.2
3.81
0
7
34.3
3.54
0
7
23.9
3.17
0
Note
­
DAT
0.5
samples
were
taken
at
night
when
there
was
dew.

Regression
Output:
Including
DAT
0.5
Excluding
DAT
0.5
Constant
5.21
4.92
Std
Err
of
Y
Est
0.67
0.48
R
Squared
0.52
0.60
No.
of
Observations
27
24
Degrees
of
Freedom
25
22
X
Coefficient(
s)
­
0.30
­
0.25
Std
Err
of
Coef.
0.059
0.043
Relative
Error
(
Percent)
19.4
17.3
Half
Life
2.28
2.78
0
1
2
3
4
5
6
7
8
DAY
AFTER
TREATMENT
3
4
5
6
7
LN
of
ug/
cm2
California
Trial
­
2,4­
D
DMA
Spreadsheet
F10:
MRID
450331­
01
CA
Trial
with
2,4­
D
DMA
,
MCPP­
p
and
Dicamba)

DAT
2,4­
D
Raw
Data
(
ng/
cm2)
2,4­
D
Adjusted
(
ng/
cm2)
LN
Rainfall
(
inches
)
Application
Method
Groundboom
Pre
0.088
Application
Rate
(
lbs
ae/
A)
1.66
0.042
137
178
5.18
0
Gallons/
Acre
9.9
0.042
167
217
5.38
0
0.042
149
194
5.27
0
LOQ(
ng/
cm2)
0.879
0.17
119
155
5.04
0
LOD(
ng/
cm2)
0.088
0.17
145
189
5.24
0
0.17
154
201
5.30
0
Avg
TTR
Percent
TTR
0.33
100
130
4.86
0
DAT
0.042
197
1.1
0.33
104
135
4.91
0
DAT
0.5
1458
7.8
0.33
74
96
4.57
0
0.5
820
1068
6.97
0
0.5
1180
1536
7.34
0
Field
Recovery
(
from
MRID
446557­
02)
0.5
1360
1771
7.48
0
(
Percent)
81.2
@
4ng/
cm2
(
n=
6,
SD=
17.1)
1
79
103
4.63
0
74.8
@
40ng/
cm2
(
n=
6,
SD=
12.1)
1
57
74
4.30
0
65.2
for
DAT
0
samples
(
n=
6,
SD=
4.6)
1
71
93
4.53
0
90.8
for
DAT
6
samples
(
n=
6,
SD=
6.8)
2
82
107
4.67
0
2
66
86
4.45
0
Field
Recovery
(
from
MRID
446557­
03)
2
61.2
80
4.38
0
(
Percent)
89.7
@
4ng/
cm2
(
n=
6,
SD
=
7.18)
3
53.5
70
4.24
0
78.8
@
40ng/
cm2
(
n=
6,
SD
=
5.90)
3
50.2
65
4.18
0
82.0
for
DAT
0
samples
(
n=
6,
SD=
5.8)
3
40.6
53
3.97
0
86.5
for
DAT
6
samples
(
n=
6,
SD=
10.6)
4
25.9
34
3.52
0
4
26.9
35
3.56
0
Average
Recovery
4
29.0
38
3.63
0
85.5
@
4
ng/
cm2
7
28.2
37
3.60
0
76.8
@
40
ng/
cm2
7
22.2
29
3.36
0
7
21.9
29
3.35
0
Values
were
adjusted
for
average
field
recovery
of
76.8
at
40
ng/
cm2
Note
­
DAT
0.5
samples
were
taken
at
night
when
there
was
dew.

Regression
Output:
Including
DAT
0.5
Excluding
DAT
0.5
Constant
5.43
5.00
Std
Err
of
Y
Est
0.81
0.28
R
Squared
0.49
0.83
No.
of
Observations
27
24
Degrees
of
Freedom
25
22
X
Coefficient(
s)
­
0.346
­
0.26
Std
Err
of
Coef.
0.071
0.025
Relative
Error
20.5
9.5
Half
Life
2.0
2.6
0
1
2
3
4
5
6
7
8
Day
after
Treatment
3
4
5
6
7
8
ln
of
ug/
cm2
California
Trial
­
2,4­
D
DMA
Mix
Spreadsheet
F11:
MRID
450331­
01
WI
Trial
with
2,4­
D
DMA
DAT
2,4­
D
(
ng/
cm2)
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
0.088
Application
Rate
(
lbs
ae/
A)
1.65
0.042
243
5.49
0
Gallons/
Acre
9.48
0.042
193
5.26
0
0.042
185
5.22
0
LOQ(
ng/
cm2)
0.879
0.17
199
5.29
0
LOD(
ng/
cm2)
0.088
0.17
152
5.02
0
0.17
226
5.42
0
Avg
TTR
Percent
TTR
0.33
143
4.96
0.025
DAT
0.0042
207
1.1
0.33
128
4.85
0.025
0.33
94
4.54
0.025
0.5
165
5.11
0.145
Field
Recovery
(
from
MRID
446557­
02)
0.5
108
4.68
0.145
Field
Recovery
100
@
4ng/
cm2
(
n=
3,
SD
=
6.9)
0.5
56
4.02
0.145
(
Percent)
97.8
@
40ng/
cm2
(
n=
3,
SD
=
9.8)
1
0.32
­
1.14
0.19
All
samples
were
for
DAT
0
1
1.13
0.12
0.19
1
1.13
0.12
0.19
Data
was
not
corrected
for
field
recovery
0
0.2
0.4
0.6
0.8
1
1.2
DAY
AFTER
TREATMENT
­
2
­
1
0
1
2
3
4
5
6
LN
of
ug/
cm2
R­
square
=
0.854
#
pts
=
15
y
=
6.38
+
­
5.99x
2,4­
D
DMA
Dissipation
on
Turf
in
Wisconsin
(
When
Applied
by
Itself)
Spreadsheet
F12:
MRID
450331­
01
WI
Trial
with
2,4­
D
DMA,
MCPP­
p
and
Dicamba)

DAT
2,4­
D
Raw
Data
(
ng/
cm2)
2,4­
D
Adjusted
(
ng/
cm2)
LN
Rainfall
(
inches)
Application
Method
Groundboom
Pre
0.088
Application
Rate
(
lbs
ae/
A)
1.64
0.042
117
152
5.03
0
Gallons/
Acre
9.42
0.042
130
169
5.13
0
0.042
111
145
4.97
0
LOQ(
ng/
cm2)
0.879
0.17
92.9
121
4.80
0
LOD(
ng/
cm2)
0.088
0.17
100
130
4.86
0
0.17
76.4
99
4.60
0
Avg
TTR
Percent
TTR
0.33
147
191
5.25
0.025
DAT
0.0042
155
0.8
0.33
164
214
5.36
0.025
DAT
0.33
211
1.1
0.33
174
227
5.42
0.025
0.5
98.2
128
4.85
0.145
Field
Recovery
(
from
MRID
446557­
02)
0.5
59.4
77
4.35
0.145
(
Percent)
81.2
@
4ng/
cm2
(
n=
6,
SD=
17.1)
0.5
116
151
5.02
0.145
74.8
@
40ng/
cm2
(
n=
6,
SD=
12.1)
1
0.44
0.51
­
0.66
0.19
65.2
for
DAT
0
samples
(
n=
6,
SD=
4.6)
1
0.44
0.51
­
0.66
0.19
90.8
for
DAT
6
samples
(
n=
6,
SD=
6.8)
1
0.44
0.51
­
0.66
0.19
Field
Recovery
(
from
MRID
446557­
03)
(
Percent)
89.7
@
4ng/
cm2
(
n=
6,
SD
=
7.18)
78.8
@
40ng/
cm2
(
n=
6,
SD
=
5.90)
82.0
for
DAT
0
samples
(
n=
6,
SD=
5.8)
86.5
for
DAT
6
samples
(
n=
6,
SD=
10.6)

Average
Recovery
85.5
@
4
ng/
cm2
76.8
@
40
ng/
cm2
Values
were
adjusted
for
average
field
recovery
of
76.8
at
40
ng/
cm2
and
85.5
at
4
ng/
cm2
0
0.2
0.4
0.6
0.8
1
1.2
DAY
AFTER
TREATMENT
­
1
0
1
2
3
4
5
6
LN
of
ug/
cm2
R­
square
=
0.786
#
pts
=
15
y
=
6.31
+
­
6.03x
2,4­
D
DMA
Dissipation
on
Turf
in
Wisconsin
(
When
Applied
with
MCPP
and
Dicamba)
Spreadsheet
F13
­
Concurrent
Laboratory
Recovery
for
MRID
446557­
03
ng/
cm2
Log
recovery
0.878
­
0.057
95.7
0.878
­
0.057
92.7
0.878
­
0.057
106
2
0.246
110
1.76
0.246
86.4
1.76
0.246
99.4
1.76
0.246
88.6
1.76
0.246
83
3.51
0.545
85.2
4.39
0.642
87.2
4.39
0.642
74.9
4.39
0.642
83.8
4.39
0.642
85
8.79
0.944
81.2
8.79
0.944
81.9
8.79
0.944
95
8.79
0.944
65
8.79
0.944
71.2
17.6
1.246
86.4
17.6
1.246
67
17.6
1.246
73.9
35.1
1.545
69.5
35.1
1.545
69.2
43.9
1.642
76.8
43.9
1.642
77.4
87.9
1.944
69.4
176
2.246
73.9
351
2.545
84
AVG
82.8
STD
11.3
­
0.5
0
0.5
1
1.5
2
2.5
3
Log
of
Fortification
Level
(
ng/
cm2)
60
70
80
90
100
110
120
Recovery
R­
square
=
0.401
#
pts
=
28
y
=
92.5
+
­
10.5x
Concurrent
Recovery
for
NC
2
Cloth
Spikes
Spreadsheet
F14
­
Concurrent
Laboratory
Recovery
for
MRID
450331­
01
Site
ng/
cm2
Log
recovery
California
0.879
­
0.056
118
0.879
­
0.056
98.5
1.76
0.246
127
1.76
0.246
113
2.2
0.342
97.3
4.39
0.642
91.8
4.39
0.642
88.8
4.39
0.642
114
4.39
0.642
95.9
8.79
0.944
102
87.9
1.944
109
176
2.246
123
176
2.246
106
176
2.246
99.4
176
2.246
96
527
2.722
91.1
1410
3.149
90.1
Mean
104
SD
11.5
WI
Site
0.879
­
0.056
69.7
0.879
­
0.056
100
0.879
­
0.056
86.1
1.76
0.246
93.8
1.76
0.246
86.4
1.76
0.246
58
2.2
0.342
96.8
2.2
0.342
102
4.39
0.642
86.3
4.39
0.642
103
17.6
1.246
91.5
87.9
1.944
81.6
87.9
1.944
79.3
176
2.246
102
176
2.246
79
176
2.246
85.2
176
2.246
100
527
2.722
67.2
Mean
87.1
STD
12.7
­
1
0
1
2
3
4
Log
of
Fortification
Level
(
ng/
cm2)
80
90
100
110
120
130
Recovery
R­
square
=
0.0733
#
pts
=
17
y
=
107
+
­
3.03x
Concurrent
Recovery
for
California
Cloth
Spikes
­
0.5
0
0.5
1
1.5
2
2.5
3
Log
of
Fortification
Level
(
ng/
cm2)
50
60
70
80
90
100
110
Recovery
R­
square
=
0.00971
#
pts
=
18
y
=
88.5
+
­
1.28x
Concurrent
Recovery
for
Wisconsin
Cloth
Spikes