Document ID: EPA-HQ-OPP-2004-0167-0014
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2004-05-20T04:00Z

06/
17/
0411:
36:
22
AM
Appendix
G
­
Residential
Turf
Post
Application
Risk
Assessment
for
24D
Spreadsheet
G1:
Input
Values
Acute
Short
Term
­

NC,
No
Rain
Short
Term
­

CA,
No
Rain
Short
Term
­
NC,

Some
Rain
Column
F
Column
G
Column
H
Column
I
Row#

Transferable
Residue
(%
of
Rate)
For
Object­
to­
Mouth
Ingestion
Exposures
20
20
20
20
5
Label
Application
Rate
(
lb
ae/
acre):
2.00
2.00
2.00
2.00
6
Study
Application
Rate
(
lb
ae/
acre):
1.67
1.67
1.66
1.76
7
Limit
of
Quantification
(
ug/
cm2):
0.00088
0.00088
0.00088
0.00088
8
Transferable
Residue
(%
of
Rate)
For
Hand­
to­
Mouth
Ingestion
Exposures
5
5
5
5
9
Predicted
Time
(
0)
TTR
For
Hand­
to­
Mouth
Ingestion
(
ug/
cm2)
based
upon
label
rate:
1.12
1.12
1.12
1.12
10
Predicted
Time
(
0)
TTR
For
Object­
to­
Mouth
Ingestion
(
ug/
cm2)
based
upon
label
rate:
4.5
4.5
4.5
4.5
11
Predicted
Time
(
0)
Total
Deposition
For
Soil
Ingestion
(
ug/
cm2)
based
upon
label
rate:
22.4
22.4
22.4
22.4
12
Maximum
Transferable
Residue
(%
of
Study
Rate)
2.90
2.90
1.1
1.1
13
TTR
Data
Source:
14
Slope
of
Semilog
Regression
for
Day
0
to
Day
7
­
0.83
­
0.26
­
2.3
15
Maximum
TTR
0.561
16
Initial
TTR
for
DAT
0
0.308
0.197
0.2
17
Adult
Dermal
Exposure
Duration
On
Lawns
(
hr/
day):
2
18
Toddler
Dermal
Exposure
Duration
On
Lawns
(
hr/
day):
2
19
Toddler
Hand­
to­
Mouth
Duration
On
Lawns
(
hr/
day):
2
20
Adult
Dermal
Exposure
Duration
While
Golfing
(
hr/
day):
4
21
22
Short­
term
Adult
Dermal
TC
On
Lawns
(
cm2/
hr):
14500
23
Short­
term
Adult
Dermal
TC
While
Golfing
(
cm2/
hr):
500
24
Short­
term
Toddler
Dermal
TC
On
Lawns
(
cm2/
hr):
5200
25
26
Toddler
Hand
Surface
Area
(
cm2/
both
hands):
20
27
Toddler
Short­
Term
Frequency
of
Hand­
to­
Mouth
Events
(
events/
hour):
20
28
Object­
to­
Mouth
Surface
Area
Contacted
(
cm2
mouthed):
25
29
Soil
Ingestion
(
mg
soil
ingested/
day):
100
30
Soil
Density
(
cm3/
gram):
0.67
31
Saliva
Extraction
Factor
(
50
percent/
100):
0.5
32
33
Uncertainty
Factor:
1000
34
Oral
NOAEL
(
mg/
kg/
day)
for
Adult
Dermal
Exposures
(
Acute):
25
35
Oral
NOAEL
(
mg/
kg/
day)
for
Toddler
Dermal
and
Incidental
Oral
Exposures
(
Acute)
67
36
Adult
Body
Weight
(
kg):
60
37
Toddler
Body
Weight
(
kg):
15
38
24D
Dermal
Absorption
Factor
(
DA)
0.058
39
06/
17/
0411:
36:
22
AM
Appendix
G
­
Residential
Turf
Post
Application
Risk
Assessment
for
24D
Spreadsheet
G2:
Acute
Risks
Turf
and
Soil
Residue
Levels
DAT
TTR
for
Dermal
TTR
for
HTM
Ingestion
TTR
for
OTM
Ingestion
[
Soil]
For
Ingestion
(
ug/
cm2)
(
ug/
cm2)
(
ug/
cm2)
(
ppm)

0
0.672
1.12
4.5
15.0
Adult
Acute
Risks
DAT
Yardwork
Golfing
Dose
MOE
Dose
MOE
0
0.0188
1327
0.00130
19247
Toddler
Acute
Risks
DAT
Dermal
Exposure
Hand
to
Mouth
(
HTM)

Exposure
Object
to
Mouth
(
OTM)

Exposure
Soil
Ingestion
Exposure
Combined
Exposure
Dose
MOE
Dose
MOE
Dose
MOE
Dose
MOE
MOE
0
0.0270
2480
0.0299
2239
0.0075
8957
1.0E­
004
668449
1038
Note:
Doses
are
in
mg/
kg/
day
06/
17/
0411:
36:
22
AM
Appendix
G
­
Residential
Turf
Post
Application
Risk
Assessment
for
24D
Spreadsheet
G3:
Short
Term
Risks
­
North
Carolina
Data,
No
Rain
Turf
and
Soil
Residue
Levels
from
North
Carolina
Data
(
MRID
446557­
02)

DAT
TTR
for
Dermal
TTR
for
HTM
Ingestion
TTR
for
OTM
Ingestion
[
Soil]
For
Ingestion
(
ug/
cm2)
(
ug/
cm2)
(
ug/
cm2)
(
ppm)

0
0.369
1.122
4.5
15.0
1
0.16
0.49
1.96
6.56
2
0.07
0.21
0.85
2.86
3
0.031
0.09
0.37
1.25
4
0.013
0.04
0.16
0.54
5
0.006
0.02
0.07
0.24
6
0.0025
0.01
0.03
0.10
AVG
0.093
0.28
1.13
3.80
GM
0.03
0.09
0.37
1.25
Toddler
Short
Term
MOEs
Dermal
Exposure
Hand
to
Mouth
(
HTM)

Exposure
Object
to
Mouth
(
OTM)

Exposure
Soil
Ingestion
Exposure
Combined
Exposures
Dose
MOE
Dose
MOE
Dose
MOE
Dose
MOE
MOE
AVG
0.0037
6673
0.0076
3308
0.0019
13234
2.5E­
005
987590
1891
06/
17/
0411:
36:
22
AM
Appendix
G
­
Residential
Turf
Post
Application
Risk
Assessment
for
24D
Spreadsheet
G4:
Short
Term
Risks
­
California
Data,
No
Rain
Turf
and
Soil
Residue
Levels
Based
Upon
California
Data
from
MRID
450331­
01
DAT
TTR
for
Dermal
TTR
for
HTM
Ingestion
TTR
for
OTM
Ingestion
[
Soil]
For
Ingestion
(
ug/
cm2)
(
ug/
cm2)
(
ug/
cm2)
(
ppm)

0
0.236
1.122
4.5
15.0
1
0.18
0.87
3.46
11.59
2
0.14
0.67
2.67
8.94
3
0.11
0.51
2.06
6.89
4
0.08
0.40
1.59
5.31
5
0.064
0.31
1.22
4.10
6
0.050
0.24
0.94
3.16
AVG
0.123
0.59
2.35
7.86
GM
0.11
0.51
2.06
6.89
Toddler
Short
Term
MOEs
Dermal
Exposure
Hand
to
Mouth
(
HTM)

Exposure
Object
to
Mouth
(
OTM)

Exposure
Soil
Ingestion
Exposure
Combined
Exposure
Dose
MOE
Dose
MOE
Dose
MOE
Dose
MOE
MOE
AVG
0.0050
5040
0.0156
1598
0.0039
6392
5.2E­
005
477022
1018
06/
17/
0411:
36:
22
AM
Appendix
G
­
Residential
Turf
Post
Application
Risk
Assessment
for
24D
Spreadsheet
G5:
Short
Term
Risks
­
North
Carolina
Data,
Some
Rain
Turf
and
Soil
Residue
Levels
from
North
Carolina
Data
(
MRID
446557­
03)

DAT
TTR
for
Dermal
TTR
for
HTM
Ingestion
TTR
for
OTM
Ingestion
[
Soil]
For
Ingestion
(
ug/
cm2)
(
ug/
cm2)
(
ug/
cm2)
(
ppm)

0
0.240
1.122
4.5
15.0
1
0.024
0.112
0.450
1.507
2
0.0024
0.011
0.045
0.151
3
0.0011
0.0011
0.005
0.068
4
0.0011
0.0011
0.005
0.068
5
0.0011
0.0011
0.005
0.068
6
0.0011
0.0011
0.005
0.068
AVG
0.039
0.18
0.71
2.42
GM
0.0040
0.01
0.03
0.26
Toddler
Short
Term
MOEs
DAT
Dermal
Exposure
Hand
to
Mouth
(
HTM)

Exposure
Object
to
Mouth
(
OTM)

Exposure
Soil
Ingestion
Exposure
Combined
Exposures
Dose
MOE
Dose
MOE
Dose
MOE
Dose
MOE
MOE
AVG
0.0016
16108
0.0048
5249
0.0012
20989
1.6E­
005
1547276
3324