Calculation: Potential Doses and Margins of Exposure Scenario: Occupational - Routine Exposure Pathway: Dermal Contact with Herbicide Herbicide: Diflufenzopyr Program: Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

:Acres Treated

Notes:

Margin of Exposure Dermal Exposure

(unitless) Int

Calculation: Potential Doses and Margins of Exposure Scenario: Occupational- Routine Exposure Pathway: Inhalation of Herbicide Herbicide: Program: Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

;Inhalation [Unit Inhalation Body Inhalation Inhalation NOAELs [Exposure Absorption Weight Dose

b ai Factor k

0.03 0.0039 '0.0012 ,0.0051 0.0039

:0.0012 0.0051 '0.00074 v.v

'0.0012 "..

0.00194 0.0039 0.0012 0.0051

:0.00074 0.0012 0.00194 0.03 0.0039 ,0.0012 :0.0051 '0.0039 0.0012

:0.0051 :0.00074 0.0012 0.00194 0.0039 0.0012 0.0051

10.00074 0.0012

'0.00194

Calculation: Aggregrate Risk Level Scenario: Occupational • Routine Exposure Pathway: Dermal Contact with and Inhalation of Herbicide Herbicide: Diflufcnzopyr Program: Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

,3.0IE+06 100 '3.08E+06 100

7.96E+03 3.05E+04 13663.664

:2.5 IE+04 11234.568 : I. I6E+04 1.16E+04 '5211.9129 .

Notes:

Margin of Exposure Margin of Exposure Target Aggregate Dermal Exposure Inhalation Exposure Margin of Risk

(unitless) (unitless) Exposure Index Int Lon Int Long Dermal Inhalation Int .Lon

100 100 100 100 100

Calculation: Potential Doses and Margins of Exposure Scenario: Public Receptors - Routine Exposure Pathway: Dermal Contact with Spray Drift Pesticide: Program: Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

NA - Not Available. NC - Not Calculated (No dose-response value).

6.43E+OI 6.43E+OI 6.43E+Ol

I.07E+02

6.43E+Ol

NA 6.43E+OI

Dermal NOAELs (rug/kg-day)

Short

NA NA NA NA INA INA

:NA iNA INA NA NA NA NA NA NA

'NA

NA

.NA !NA

NA

Calculation: Scenario: Pathway: Pesticide: Program:

Potential Doses and Margins of Exposure Public Receptors - Routine Exposure DermalContact with

Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

Max

1,06E-OS

L06E-OS

IAIE-OS

1,06E-OS

IAIE-OS 233E-OS

2,12E-06 3,501',-06 :U2E-06 4,66E-06

i2.12E-06 !3,SOE-06 !2,82E-06 14,66E-06

?12E-06 3.S0E-06

12,82E-06 [4,66E-06 ;2,121',-06 350E-06

!2.82E-06 4.66E-06

:2.12E-06 [3.S0E-06

.2.82E-06 4.66E-06

cm2/kg-da

4.29E+01 4.29E+01

·2.86E+Ol .2.86E+01 .2,861',+01 2.86E+01 6.93E+02 6.93E+02 6.93E+02 6.93E+02 4. 14E+02 4.14E+02 4.14E+02 4. 14E+02 6.00E+Ol 6.00E+Ol 6.00E+Ol 6.00E+Ol 6.43E+Ol 6A3E+Ol 6A3E+Ol 6A3E+Ol

NA NA NA NA NA NA NA NA NA NA NA NA

NA - Not Available, NC - Not Calculated (No dose-response value),

Dislodgeable Foliar Exposure Residue Factor

Calculation: Potential Doses and Population Adjusted Doses Scenario: Public Receptors - Routine Exposure Pathway: Ingestion of Berries Pesticide: Diflufenzopyr Program: Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

NA Not Available. NC - Not Calculated (No value).

Calculation: Potential Doses and Scenario: Public Receptors - Routine Exposure Pathway: Dermal Contact with Water While Swimming Short-Term Exposure Pesticide: Program: Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

Calculation: Potential Doses, Margins of Exposure, and Population Adjusted Doses Scenario: Public Receptors - Routine Exposure Pathway: Incidental Ingestion of Water while Swimming - Short-Term Exposure Pesticide: Program: Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

Oral NOAEL !Short-Term MOE

Calculation: Potential Doses, Margins of Exposure, and Population Adjusted Doses Scenario: Public Receptors Routine Exposure Pathway: Water Ingestion - Short-Term Exposure Pesticide: Program: Rangeland, Energy/Mineral, Rlghts-ot-Way Recreation/Cultural

Not Available NA NC - Not Calculated (No dose-response value).

Calculation: Potential Doses and Population Adjusted Doses Scenario: Public Receptors - Routine Exposure Pathway: Ingestion of Fish - Short-Term Exposure Pesticide: Program: Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

NA - Not Available. NC - Not Calculated (No dose-response value).

Calculation: Aggrcgrate Risk Index - Short Term Exposure Scenario Scenario: Public Receptors - Routine Exposure Pesticide: Program: Rangeland, Energy/Mineral, Rights-of-Way, Recreation/Cultural

Incidental Ingestion I)ictaryExposurePatll\vays Short-Term Short/lnt Term Oral Acute Acute Acute Aggregate

Watcr Berries Fish Risk %PAD %PAD %PAD Index

10.035589% 10.035677% '0.047452% ! -­

0.047569% .083041% ,0.000975% .083247% 0.001610%

v.110721% 0.001297% \0.110993% 0.002144% 10.035589% '0.000969% '0.035677% 10.001600%

.047452% 10.001289% v.047569% 0.002130%

jO.035589% 0.003543% 10.035677% 0.003551% 0.047452%

I ! -- j6.6647230/.,

0.047569% '0.004735% t 1-­

, -­t

II-­10.041520% '0.049858%

.041624% 10.049982%

.055361% :0.066477% 0.055497% 0.066640% 0.017794% 0.049764%

39% 0.049888% I

26% 0.066352% 84% '0.066515%

Water MOE

6.5012+06

i -­

:3.9412+07 3.9312+07

1.7512+08 1.7512+08

I 1.0012+02 I I 1.00E+02

1.0012+02

Calculation: Aggregratc Risk Index - Short Term Exposure Scenario Scenario: Public Receptors - Routine Exposure Pesticide: Program: Rangeland, Energy/Mineral, Riahts-of-Wav. Recreation/Cultural

»Reccpror not NA - Not Available. NC - Not Calculated (No dose-response value).