Document ID: EPA-HQ-OPP-2004-0005-0033
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2004-03-25T05:00Z

Office
of
Pesticide
Programs
Environmental
Fate
and
Effects
Division
Terrestrial
Investigation
Model
Version
X2.0
March
10,
2004
Experimental
Model:
For
Demonstration
Purposes
Only
This
model
is
currently
under
development
by
the
Office
of
Pesticide
Programs
and,
at
this
time,
is
provided
for
demonstration
purposes
only.
Officie
of
Pesticide
Programs
Environmetal
Fate
and
Effects
Divison
Version
X
2.0
Step
1.
Enter
Data
Name
of
Run
File
Name
avrisks.
txt
Scenario
Description
Avian
risks
from
Chem
Z,
corn
Date
of
analysis:
3/
25/
2004
(
13:
59)

Run
Parameters
Number
of
Trials
(#
of
Birds)
10000
Simulation
Duration
(
days)
7
Application
Method
and
Rate
Application
Method
2
Application
Rate(
lb
ai/
acre)
0.25
Hour
of
Application
on
Day
1
8
Crop
type
1
Application
Site
Properties
Site
Soil
Properties
Organic
Carbon
Fraction
0.02
Soil
Bulk
Density
(
g/
cm
3)
1.50
Soil
Curve
Number
91.00
Soil
Aqueous
Volume
Fraction
0.42
Soil
Percolation
Rate
(
mm/
hr)
11.00
Site
Meteorology
Daily
Rainfall
(
cm/
day)
1.00
Rainfall
Duration
(
hours)
3.00
Rain
Lag
(
hours
after
application)
24.00
Pan
Evaporation
Rate
(
cm/
day)
0.77
Chemical
Properties
Insects
Seeds
Fruits
Grass
Forage
Wildlife
Food
Item
Half
Life
(
days)
3.19
2.72
3.14
3.14
2.72
Henry's
Law
Constant
(
atm/
m
3/
mol)
2.07E­
07
<­
Enter
in
scientific
notation
eg.
2.17E­
07
KOC
37.9
Water
and
Soil
Half­
Life
(
days)
Water
2.80E+
01
Soil
2.80E+
01
Soil
Partition
Coefficient
(
Kd)
<­
leave
blank
if
no
soil­
specific
value
Ground
Broadcast
Row
Crops
Foliar
Dissipation
Half­
Life
(
days)
2.72
Octonol/
Water
Partitioning
Constant
Kow
30
Dislodgeable
Foliar
Residue
Adjustment
Factor
7.80E­
06
<­
Enter
in
scientific
notation
eg.
2.17E­
07
Dislodgeable
Foliar
Residue
Half­
Life
(
days)
1.90
Inhalation
Exposure
Parameters
Height
of
Direct
Spray
Column
(
m)
3
Spray
Duration
(
minutes)
60
Fraction
Spray
Inhaled
(
unitless)
0.028
Plant
Mass
(
kg/
ha)
2180
Crop
Height
(
m)
0.25
Crop
Density
as
Fresh
Leaf
(
kg/
L)
0.77
Dermal
Exposure
Parameters
Dermal
Absorption
Fraction
1
Foliar
Contact
Rate
(
cm
2
plant/
cm
2
bird/
hr)
6.01
Puddle
Parameters
Include
rainfall
in
simulation
1
Mixing
Zone
(
m)
0.01
Generic
Species
Selection
Weight
SD
min
max
5
12.5
1.47
8.678
16.322
Minimum
Maximum
Minimum
Maximum
Morning
Start/
End
Times
4
5
8
10
Afternoon
Start/
End
Times
12
15
17
21
Morning/
Afternoon
Split
0.4
0.7
Toxicological
Data
Bird
Oral
LD50(
mg/
kg)
1.6
Slope
5.7
Rat
Acute
Inhalation
LD50
(
mg/
kg)
9.6
Rat
Acute
Oral
LD50
(
mg/
kg)
6.0
Bird
Dermal
LD50(
mg/
kg)
no
data
If
not
available
enter:
no
data
Pesticide
Retention
Rate
(
fraction
of
dose/
hour)
0.928
Edge
Granivore
yes
Step
2.

Step
3.
FOF
P
Factor
0.587
0.6
Date
Wed
Mar
17
14:
39:
44
2004
Analysis
Scenario:
Avian
risks
corn
Date
of
analysis:
3/
17/
2004
(
14:
39)

Trials
(
simulations)
10,000
flock
size
25
Field_
Resident
NO
Number
of
days
in
analysis
7
Application
Rate
in
lbs/
acre
0.25
Hour
of
application
on
first
day
8
Exposure
Pathway
Switches
Food
Ingestion
On
Puddle
On
Dew
On
Inhalation:
Vapor
On
Inhalation:
Spray
On
Dermal
Contact
On
Dermal
Spray
Off
Mean
SD
Minimim
Maximum
Body
Weight
Parameters
12.5
1.47
8.68
16.32
Metabolic
Scaling
Factors:

k1
k2
ingestion
2.12
0.75
water
1.18
0.87
breathing
284
0.77
dermal
10
0.67
Residue
Concentration
Parameters
Including
Application
Mean
SD
Mean
SD
GM
GSD
insects
5.7
9.2
1.425
2.3
0.751
3.103
seeds
4
5.9
1
1.475
0.561
2.93
fruits
5.4
9.8
1.35
2.45
0.652
3.344
grass
84
60.3
21
15.075
17.06
1.905
broadly
foraging
45
56.7
11.25
14.175
6.994
2.651
Frequency
on
Field
(
FOF)
Parameters
mean
0.587
min
0
max
1
bias
0.6
Puddle
Parameters
Application
Rate
2.50E­
01
Number
of
Puddles
1.00E+
02
Rain
Lag
2.40E+
01
Field
Area
1.00E+
04
Mixing
Zone
1.00E­
02
Aqueous
Volume
4.20E­
01
queous
Volume
at
Saturation
4.20E+
01
Bulk
Density
1.50E+
03
Mixing
Zone
Soil
Mass
1.50E+
05
Minimum
Puddle
Volume
1.00E­
03
Initial
Field
Concentration
0.00E+
00
Hour
of
Application
8.00E+
00
Total
Rainfall
1.00E­
02
Rainfall
duration
1.08E+
04
Curve
Number
9.10E+
01
Degradation:
Water
1.24E­
07
Degradation:
Soil
1.24E­
07
Partition
Coefficient
7.58E­
01
Perolation
Rate
1.10E­
02
Evaporation
Rate
3.21E­
05
Inhalation
Parameters
Spray
Height
3.25
Duration
60
Inhaled
Fraction
0.028
Foliar
Dissapat
0.113
Plant
Mass
2180
Dermal
Parameters
Dislodgeable
Foliar
Residue
Adjustment
Factor
0
Dislodgeable
Foliar
Residue
Dissapation
Constant
0.0066
Dermal
Absorption
Fraction
1
Maximum
Interception
6.01
Toxicity
Parameters
LD50
1.55
Slope
5.7
Rat
Acute
Inhalation
LD50
9.6
Rat
Acute
Oral
LD50
6
Respiratory
physiology
adjustment
3.3
Avian
Oral
LD50
1.55
Avian
Dermal
LD50
9.3716
End
of
Parameter
Input
Birds:
10,000
Birds
with
no
exposures:
23
Dead
Birds:
3,118
Risk
0.31184
Adjusted
Risk
0.31256
Fractional
Dose
Distribution
by
Pathway
(
dead
birds)

Prob
Ingest
Puddle
Dew
Vapor
Spray
Dermal
0.01
0
0
0
0
0
0.0017
0.05
0.0013
0
0
0
0
0.0046
0.10
0.0033
0
0
0
0
0.0071
0.25
0.0086
0.8945
0
0
0
0.0126
0.50
0.0179
0.9407
0
0.0046
0.0068
0.0205
0.75
0.0383
0.9633
0.023
0.0058
0.0085
0.0344
0.90
0.1084
0.9781
0.5249
0.0124
0.0183
0.0844
0.95
0.2359
0.9852
0.7527
0.0232
0.0342
0.1636
0.99
0.7542
0.9955
0.9421
0.0418
0.0618
0.2647
Minimum
Maximum
Mean
SD
Food
Ingestion
0
0.997
0.054
0.124
Puddle
0
0.999
0.799
0.336
Dew
0
0.997
0.095
0.234
Inhalation:
Vapor
0
0.079
0.005
0.008
Inhalation:
Spray
0
0.116
0.008
0.012
Dermal
Contact
0
0.833
0.038
0.056
Dermal
Spray
0
0
0
0
Flock
Impacts
Flock
Size
25
Risk:
Unadjusted
3.12E­
01
Risk:
Adjusted
3.13E­
01
Risk
Adjusted
Risk
Dead
PDF
CDF
CCDF
PDF
CDF
CCDF
0
0.00
0.00
1.00
0.00
0.00
1.00
1
0.00
0.00
1.00
0.00
0.00
1.00
2
0.01
0.01
0.99
0.01
0.01
0.99
3
0.02
0.03
0.97
0.02
0.02
0.98
4
0.05
0.07
0.93
0.05
0.07
0.93
5
0.09
0.16
0.84
0.09
0.16
0.84
6
0.13
0.30
0.70
0.13
0.29
0.71
7
0.17
0.46
0.54
0.16
0.46
0.54
8
0.17
0.63
0.37
0.17
0.63
0.37
9
0.14
0.77
0.23
0.14
0.77
0.23
10
0.10
0.88
0.12
0.11
0.88
0.12
11
0.06
0.94
0.06
0.07
0.94
0.06
12
0.03
0.98
0.02
0.03
0.98
0.02
13
0.02
0.99
0.01
0.02
0.99
0.01
14
0.01
1.00
0.00
0.01
1.00
0.00
15
0.00
1.00
0.00
0.00
1.00
0.00
16
0.00
1.00
0.00
0.00
1.00
0.00
17
0.00
1.00
0.00
0.00
1.00
0.00
18
0.00
1.00
0.00
0.00
1.00
0.00
19
0.00
1.00
0.00
0.00
1.00
0.00
20
0.00
1.00
0.00
0.00
1.00
0.00
21
0.00
1.00
0.00
0.00
1.00
0.00
22
0.00
1.00
0.00
0.00
1.00
0.00
23
0.00
1.00
0.00
0.00
1.00
0.00
24
0.00
1.00
0.00
0.00
1.00
0.00
25
0.00
1.00
0.00
0.00
1.00
0.00
D.
Spray
0
0
0
0
0
0
0
0
0
Mean
Fraction
of
Total
Dose
by
Pathway
for
Fatalities
0
0.1
0.2
0.3
0.4
Dose
fraction
by
Pathway
Food
Puddle
Dew
Inhal:
Vapor
Inhal:
Spray
Dermal:
Contact
Dermal:
Spray
CCDF
(
Probability
of
N
or
More
Deaths/
25)

0
0.2
0.4
0.6
0.8
1
0
5
10
15
20
25
Number
Dead
Probability
PDF
(
Probability
of
N
Deaths/
25)

0.00
0.05
0.10
0.15
0.20
0
5
10
15
20
25
Number
Dead
Probability
Time
To
Death
0
1000
2000
3000
4000
Hours
Dead/
Hr
0.839
0.3
0.332
0.025
0.012
0.017
0.107
0.207
0
1.00
0.00
0
1.00
0.00
1
1.00
0.00
2
1.00
0.00
3
1.00
0.00
4
1.00
0.00
5
1.00
0.00
6
1.00
0.00
7
1.00
0.00
8
1.00
0.00
9
0.99
0.00
10
0.98
0.01
11
0.95
0.03
12
0.90
0.06
13
0.80
0.09
14
0.67
0.13
15
0.52
0.16
16
0.35
0.16
17
0.21
0.14
18
0.11
0.10
19
0.05
0.06
20
0.02
0.03
21
0.00
0.01
22
0.00
0.00
23
0.00
0.00
24
0.00
0.00
25
0.00
0.00
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
541
10
8
11
2
12
1
13
47
14
62
15
125
16
114
17
121
18
96
19
55
20
24
21
1
22
0
23
0
24
0
25
0
26
0
27
0
28
0
29
106
30
148
31
115
32
183
33
3487
34
1
35
0
36
0
37
12
38
21
39
36
40
33
41
49
42
24
43
17
44
9
45
0
46
0
47
0
48
0
49
0
50
0
51
0
52
0
53
38
54
38
55
39
56
46
57
29
58
0
59
0
60
0
61
12
62
15
63
31
64
19
65
22
66
7
67
5
68
5
69
0
70
0
71
0
72
0
73
0
74
0
75
0
76
0
77
33
78
23
79
23
80
30
81
19
82
0
83
0
84
0
85
5
86
12
87
9
88
12
89
7
90
8
91
3
92
0
93
0
94
0
95
0
96
0
97
0
98
0
99
0
100
0
101
17
102
18
103
20
104
23
105
14
106
0
107
0
108
0
109
3
110
6
111
11
112
5
113
10
114
6
115
3
116
3
117
0
118
0
119
0
120
0
121
0
122
0
123
0
124
0
125
13
126
13
127
14
128
12
129
9
130
0
131
0
132
0
133
2
134
6
135
8
136
6
137
4
138
2
139
2
140
1
141
0
142
0
143
0
144
0
145
0
146
0
147
0
148
0
149
11
150
14
151
2
152
11
153
3
154
0
155
0
156
0
157
1
158
6
159
5
160
1
161
3
162
1
163
4
164
3
165
0
166
0
167
0
168
0
Maximum
115
SD
GM
GSD
9.2
3.002
3.103
5.9
2.245
2.93
9.8
2.606
3.344
60.3
68.238
1.905
56.7
27.975
2.651
Dew
Vapor
Spray
Dermal
D.
Spray
0
0.0005
0
0.0001
0
0
0.001
0
0.0005
0
0
0.0015
0
0.0009
0
0
0.0027
0.001
0.0019
0.0268
0.0346
0.0049
0.0021
0.0042
0.0561
0.0965
0.0079
0.0034
0.0068
0.0916
0.2289
0.0104
0.0048
0.0095
0.1302
0.4101
0.0121
0.0059
0.0112
0.1592
0.8719
0.0157
0.0083
0.0156
0.2234
SD
0.181
0.007
0.165
0.004
0.002
0.004
0.052
Adjusted
Risk
CCDF
PDF
CDF
CCDF
1
0
0
1
1
0
0
1
1
0
0
1
1
1E­
07
1E­
07
1
0.999999
8E­
07
8E­
07
0.999999
0.999993
5.8E­
06
6.7E­
06
0.999993
0.999955
3.53E­
05
0.000042
0.999958
0.999771
0.000175
0.000217
0.999783
0.99902
0.000716
0.000932
0.999068
0.996451
0.002463
0.003395
0.996605
0.989006
0.00718
0.010575
0.989425
0.970619
0.017837
0.028413
0.971588
0.931769
0.037914
0.066327
0.933674
0.861405
0.069075
0.135401
0.864599
0.752172
0.107868
0.243269
0.756731
0.607093
0.144117
0.387386
0.612614
0.44287
0.164103
0.551489
0.448511
0.285408
0.158281
0.70977
0.29023
0.158659
0.128164
0.837935
0.162066
0.074085
0.086027
0.923961
0.076039
0.028132
0.047019
0.97098
0.02902
0.008317
0.020396
0.991376
0.008624
0.001792
0.006756
0.998133
0.001868
0.00025
0.001606
0.999738
0.000262
1.73E­
05
0.000244
0.999982
1.83E­
05
5E­
07
1.78E­
05
1
5E­
07