June 24, 2013 

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 

WASHINGTON D.C., 20460 

OFFICE OF 

CHEMICAL SAFETY AND 

POLLUTION PREVENTION 

MEMORANDUM 

SUBJECT: 

TO: 

FROM: 

THROUGH: 

Drinking Water Assessment to Assess Flonicamid Use on Alfalfa and Clover 

Grown for Seed, Fruiting Vegetables, Mint, Tree Nuts, and the Expansion to the 

Full Crop Group for Pome Fruit and Stone Fruit. 

PC Code: 128016; DP Barcode: 408552, 408555 

Barbara Madden, Team Leader 05 

Sidney Jackson, Risk Manager Reviewer 

Risk Integration Minor Use, and Emergency Response Branch 

Registration Division 

James A. Hetrick, Ph.D., Senior Science Advis~ t{.l:/et:. './-

Environmental Risk Branch 3 /. ( 

Environmental Fate and Effects Division (7507P) ~ L~ L} 

Dana Spatz, Branch ch~~ bI-z. 'i I~ 13 

Environmental 

Rosanna Louie-Juzwiak, 

Risk Branch 

RAPL 

3 

~~>@ ' [ 'L'f /u, 

Environmental Fate and Effects Division (7507P) '3 

EXECUTIVE SUMMARY 

IR-4 is seeking the addition of new uses of flonicamid on alfalfa and clover for seed, mint, to 

expand to the full crop group for pome and stone fruits, and to increase application rate on 

fruiting vegetables offlonicamid [BeleafrM-50SG Insecticide (EPA Reg. No. 71512-10) and 

Flonicamid 50WG (EPA Reg. No. 71512-9)] for the control of aphids, leafhoppers, whitefly, and 

plant bugs. Also considered in this assessment is the proposed use on tree nuts, which was 

requested by the registrant, ISK Biosciences. The proposed new use requests ground, aerial, or 

chemigation spray applications of flonicamid at a maximum seasonal application rate of 0.267 

lb ai/A. 

The drinking water assessment was conducted using both a parent only exposure, and a total 

toxic residue (TTR) approach, which considers the parent compound and its major degradates of 

concern previously identified by HED 1. The predicted concentrations of flonicamid total toxic 

residues for the proposed uses, except cranberry, are lower than estimated drinking water 

I Total toxic residues include 4-trifluoromethylnicotinic acid (TFNA), 4-trifluoromethylnictinamide (TFNA-AM), 

6-hydro-4-trifluoromethylnicotinic acid (TFNA-OH), N-(4-trifluoromethylnicotinoyl)glycine (TFNG), and N-(4-

trifluoromethylnicotinoyl )glycinamide (TFNG-AM). 
2 

concentrations (EDWC) in previous drinking water assessments (Table 3). The EDWCs for 

cranberry were estimated using the Tier 1 rice model which does not account for dilution and 

degradation. Because flonicamid and its degradation products degrade rapidly in aerobic soil 

(t1/2=5.2 days), the EDWCs for cranberry are expected to be highly conservative and, therefore, 

are expected to greatly exaggerate the Tier 1 screening EDWCs (94.93 μg/L for single 

application and 285.44 μg/L for annual application rate). EFED, therefore, recommends HED 

use the EDWCs from PRZM-GW. The concentration of total toxic residues of flonicamid 

(flonicamid TTR) in ground water is predicted to not exceed 15.9 μg/L for the daily peak 

and 9.92 μg/L for the 30 year annual average. These concentrations are associated with 

proposed increase application rate of 0.133 lb a.i./A on fruiting vegetables. 

PROBLEM FORMULATION 

Flonicamid (N-cyanomethyl-4-trifluoromethylnicotinamide) is an insecticide with a “unique” 

mode of action (according to the Registrant) with no known cross-resistance to 

organophosphates, carbamates, pyrethroids, and neonicotinoids. The chemical structure of 

flonicamid and its degradation products are provided in Figures 1 and 2. Chemical identification 

and physical chemical properties of flonicamid are provided in Table 1. 

 

Figure 1. Chemical Structure of Flonicamid 

Structure of TFNG 

Structure of TFNA 

N

CF3

N

H

O

N

N

CF3

N

H

O

O

OH

N

CF3

OH

O
3 

Structure of TFNA-OH 

Structure of TFNA-AM 

Structure of TFNG-AM 

Figure 2. Chemical Structure of Flonicamid Degradation Products 

Table 1. Chemical Identification Information for Flonicamid. 

Chemical name Property 

Chemical Abstract Service number 158062-67-0 

Empirical Formula C9H6F3N3O 

Molecular weight 229 g/mole 

Aqueous Solubility 5300 mg/L 

Vapor Pressure (25C) 7.07X10-9 torr 

Use Characterization

 IR-4 is seeking registration of several new uses of flonicamid [BeleafTM-50SG Insecticide( EPA 

Reg No. 71512-10) and Flonicamid 50WG (EPA Reg. No. 71512-9) for the control of aphids, 

fleahopper, whitefly, and plant bugs. The proposed new use requests ground, aerial, or 

N

CF3

OH

O

OH

N

CF3

NH2

O

N

CF3

N

H

O

O

NH2
4 

chemigation spray applications of flonicamid at a maximum seasonal application rate of 0.267 

lb ai/A. Table 2 provides a summary of the proposed new uses of flonicamid. 

Table 2. Proposed New Uses for Flonicamid 

Crop/Site 

Application 

Type/ 

Method 

Single 

Application 

Rate Range 

(lb a.i./A) 

Maximum 

Application Rate 

Per Seasonb 

(lb a.i./A) 

Maximum 

Application 

Number 

Minimum 

Retreatment 

Interval 

(days) 

Fruiting Vegetables 

Ground/Aerial

/Chemigation 

0.13375 0.2675 2 7 

Pome Fruit Group 0.089 0.2675 3 7 

Stone Fruit Group 0.089 0.2675 3 7 

Tree Nuts 0.089 0.2675 3 7 

Alfalfa/Clover for Seed 0.089 0.175 2 7 

Mint 0.089 0.267 3 14 

The proposed new uses are segregated as follows: alfalfa and clover grown for seed and mint. 

ISK Biosciences is requesting the addition of flonicamid use on tree nuts. The IR-4 is proposing 

expanding to the full crop group for pome fruit and stone fruit. Additionally, the IR-4 is 

requesting to increase the application rate for fruiting vegetables. 

Previous Drinking Water Assessments

 

Table 3 provides maximum drinking water concentrations associated with current registrations 

of Flonicamid 50WG (EPA Reg. No. 71512-9) and Beleaf 50 SG (EPA Reg. No. 71512-10). 
5 

Table 3. Maximum EDWCs from Previous Drinking Water Assessments for Flonicamid 

Crop Model Scenario Residue Peak Annual 

Average 

30 year 

Annual 

Average Reference 

μg/L 

Tomato 

P/E 

PA tomato 

Parent 5.4 0.20 0.11 

D308562 

Potato ME potato 

Apple NC apple 

Apple NC apple 

Potato ME potato Combined Residues 8.9 1.9 0.94 

Tomato PA tomato 

SCI-GROW Parent 0.00061 

SCI-GROW Combined Residues 0.00137 

Low Growing 

Berries 

P/E 

OR Berries 

Parent 7.004 0.139 0.065 

D396906 

ME Potato 

CA Strawberry 

FL Strawberry 

OR Berries 

Combined Residues 

ME Potato 9.031 0.968 0.488 

CA Strawberry 

FL Strawberry 

Rapeseed P/E 

ND Wheat 

ND Canola Parent 2.998 0.097 0.045 

OR Wheat 

ND Wheat 

ND Canola Combined Residues 3.755 0.964 0.546 

OR Wheat 

Cranberry 

Tier 1 

Rice NA Parent 278.87 

Combined Residues 285.44 

SCI-GROW Parent 0.000753 

SCI-GROW Combined Residues 0.00132 

Environmental Fate Assessment

Flonicamid (Koc = 11.2 - 20.7) and its degradation products (TFNA, TFNG, TFNA-AM) are 

expected to be very mobile in terrestrial and aquatic environments. Laboratory Koc values for the 

degradation products were not calculated from submitted batch equilibrium studies due to the 

lack of sorption on the test soils. Flonicamid is stable to hydrolysis and photolysis, but degrades 

rather quickly in aerobic environments (soil t 1⁄2 = 1.2 – 3.1 days; aquatic total system t 1⁄2 = 36 – 

44 days), and more slowly under anaerobic conditions (t 1⁄2 = 161 days). Both parent and 

degradation products (TFNA, TFNG, TFNA-AM, TFNA-OH) rapidly degrade in aerobic 

environments, and more slowly under anaerobic conditions. 

Conceptual Model 
6 

Flonicamid applications can lead to surface water contamination through spray drift, runoff, 

sediment erosion and ground water contamination through leaching. Flonicamid rapidly degrades 

in soil to form TFNA, TFNG, TFNA-AM and TFNA-OH. Although flonicamid and its 

degradation products are not persistent in soil, they exhibit low soil:water partitioning 

coefficients to promote leaching into ground water. 

Analysis

The modeling was conducted for parent flonicamid alone, as well as flonicamid and its 

degradation products using a total residue approach. Tier I groundwater EDWCs were 

calculated using SCI-GROW (Screening Concentration in Groundwater, version 2.3, August 8, 

2003 and PRZM-GW (version 1.0). Tier II surface water EDWCs were calculated using PRZM 

(Pesticide Root Zone Model, version 3.12.3, June 2006) and EXAMS (EXposure Analysis 

Modeling System, version 2.98.04.06, April 2005) models in the PE5 shell. All Tier II surface 

water modeling was corrected for percent cropped area (PCA). 

 

Various spray drift buffers, stated on the BeleafTM-50SG Insecticide( EPA Reg No. 71512-10) 

and Flonicamid 50WG labels, are listed in Table 4. These buffers were considered in estimating 

the drift fraction in exposure modeling using information from Table 4 in Equation 1. Adjusted 

spray drift fractions are shown in Table 5. 

Table 4. Factors Required for Spray Drift Adjustment 

Spray Drift 

Adjustment Factors 

Spray Drift Fraction 

Ground Aerial 

Streams 0.0282A 0.0911 

Reservoir 0.0086B 0.0458 

Spray Buffer (feet) 25 100 

Area of Streams (ha) 0.6 

Area of Reservoir 

(ha) 5.2609 

 A-AgDrift spray drift fraction calculated for 25 feet buffer assuming a stream 

width of 4 meters 

 B-AgDrift spray drift fraction calculated for 100 feet buffer assuming a reservoir 

 width of 82 meters. 

Equation 1 

Adjusted SDF = [(Stream SDF (aerial or ground)*0.6 ha)+(Reservoir SDF (aerial or round)*5.2609)]/5.2609 

Where: Adjusted SDF= Spray drift adjusted for spray drift buffer 

 Stream SDF= AgDrift spray drift fraction with buffer for stream with 4 meter width 

Reservoir SDF=AgDrift spray drift fraction with buffer for reservoir with XX meter width 

 0.6 ha = Area of Stream in Index Reservoir 

 5.2609 ha= Area of Index Reservoir 
7 

Table 5. Adjusted Spray Drift Fractions to Account for Spray Drift Buffers on the 

BeleafTM-50SG Insecticide and Flonicamid 50WG labels. 

Application 

Method 

Spray Drift Buffer 

(feet) 

Default 

Spray Drift 

Fraction 

Adjusted 

Spray Drift 

Fraction 

Ground Spray 25 0.064 0.0118 

Aerial Spray 100 0.16 0.0562 

Surface Water

The scenario selection was based on the representative crops and geographic distribution of 

crops in the United States (Table 6). Peak and annual average drinking water concentrations 

using generated using PRZM-EXAMS (PCA-corrected) are shown in Tables 8 and 10. The 

chemical input parameters for flonicamid and its degradation product are shown in Tables 7 and 

9. Pesticide application conditions (i.e., method, rate, application interval) were taken from 

Table 2. 

Table 6. Representative PRZM/EXAMS Standard Scenarios for Proposed Crops 

Crop Type/Groupings Major Crops in Standard Scenario Representative Standard Scenarios 

Fruiting Vegetables Tomato, Pepper FL tomato, FL pepper, PA tomato 

Pome Fruit Group Apple, Pear PA apple, NC apple, OR apple 

Stone Fruit Group Cherry, Peach MI cherry, GA peach 

Tree Nut Pecans and Almonds GA pecan, Ca almond 

Alfalfa/Clover for Seed Alfalfa CA alfalfa 

Mint Mint OR mint 

Table 7. Input Parameters Used in PRZM-EXAMS, SCI-GROW, and PRZM-GW 

Modeling to Estimate Flonicamid Concentrations in Drinking Water 

Study Type 

Flonicamid Data 

(PC Code:128016) 

 Data Source 

Molecular Weight 229 g/mole Calculated 

Water Solubility 5.3 g/L Product Chemistry 

Vapor Pressure 7.07X10-9 torr Product Chemistry 

Hydrolysis stable MRID 45656801 

Aqueous 

Photolysis 

stable MRID 45656802 

Aerobic Soil 

Metabolism 

2.58 days 

( 90th confidence bound on the mean half-life) 

MRIDs 45854818 

MRID 45656804 
8 

Aerobic Aquatic 

Metabolism 

 5.16 days 

(2X from the aerobic soil metabolism half-life) 

MRID 45854821 

Anaerobic 

Aquatic 

Metabolism 

 482.1 days 

(3X anaerobic aquatic metabolism half-life) 

MRID 45854821 

Mobility Ave Koc = 19.03 MRID 45656805 

Table 8. PCA1 corrected Estimated Drinking Concentrations for Flonicamid in Surface Source 

Water 

HED Crop Group Model 

Scenario Application Method 

1 in 10 year 30 year 

Annual 

Average 

Peak Annual 

Average 

ug/L 

Fruiting Vegetables 

FL tomato Ground Spray 9.279 0.173 0.056 

Aerial Spray 9.064 0.174 0.062 

PA tomato Ground Spray 2.381 0.134 0.080 

Aerial Spray 2.502 0.151 0/099 

FL pepper Ground Spray 5.882 0.157 0.039 

Aerial Spray 5.882 0.162 0.047 

Pome Fruit Group 

PA apples Ground Spray 4.964 0.292 0.072 

Aerial Spray 6.238 0.270 0.102 

NC apples Ground Spray 4.205 0.254 0.115 

Aerial Spray 4.138 0.262 0.129 

OR apples Ground Spray 2.308 0.172 0.062 

Aerial Spray 2.415 0.189 0.082 

Stone Fruit Group 

MI cherry Ground Spray 2.205 0.066 0.023 

Aerial Spray 1.837 0.073 0.034 

GA peach Ground Spray 0.768 0.020 0.007 

Aerial Spray 0.888 0.029 0.015 

Alfalfa/Clover for Seed CA alfalfa Ground Spray 1.202 0.075 0.039 

Aerial Spray 1.153 0.077 0.043 

Mint OR mint Ground Spray 0.221 0.011 0.008 

Aerial Spray 0.345 0.024 0.021 

Tree Nuts 

CA almonds Ground Spray 0.24 0.01 0.01 

Aerial Spray 0.40 0.22 0.02 

GA pecans Ground Spray 3.68 0.08 0.03 

Aerial Spray 3.74 0.08 0.04 

1-PCA=0.91 
9 

Table 9. Input Parameters Used in PRZM-EXAMS, SCIGROW, and PRZM-GW 

Modeling to Estimate Flonicamid Residues (Flonicamid, TFNA, TFNG, TFNA-AM, TFNAOH) Concentrations in Drinking Water. 

Study Type Total Toxic Residues 

Molecular Weight 229 g/mole (parent ) Calculated 

Water Solubility 5.3 g/L (parent ) Product Chemistry 

Vapor Pressure 7.07 x 10-9 torr (mm Hg, parent molecule) Product Chemistry 

Hydrolysis stable 

(parent molecule, no data available for degradation 

products) 

MRID 45656801 

Aqueous 

Photolysis 

Stable 

 (parent molecule, no data available for degradation 

products) 

MRID 45656802

Aerobic Soil 

Metabolism 

4.2 days\ 

 (mean t1/2 + (t90 x s)/n1/2)

MRID 45854818 

MRID 45656804 

Aerobic Aquatic 

Metabolism 

55.1 days \ 

 (mean t1/2 + (t90 x s)/n1/2) 

 MRID 45854821 

Anaerobic 

Aquatic 

Metabolism 

stable MRID 45854821 

Mobility 0 mL/g Koc for degradation products because there was 

no measurable sorption observed in batch equilibrium 

studies. 

MRID 45656805 

MRID 45854901 

MRID 45854904 

MRID 45854902 

 
10 

Table 10. PCA1 corrected Estimated Drinking Concentrations for Flonicamid and Its Degradation 

Products (TFNA, TFNG, TFNA-AM, TFNA-OH) in Surface Source Water 

 

HED Crop Group Model 

Scenario Application Method 

1 in 10 year 30 year 

Annual 

Average 

Peak Annual 

Average 

ug/L 

Fruiting Vegetables 

FL tomato Ground Spray 10.077 0.898 0.315 

Aerial Spray 9.922 0.903 0.342 

PA tomato Ground Spray 5.614 1.267 0.514 

Aerial Spray 5.598 1.343 0.620 

FL pepper Ground Spray 6.910 0.545 0.244 

Aerial Spray 6.777 0.519 0.208 

Pome Fruit Group 

PA apples Ground Spray 5.738 1.271 0.519 

Aerial Spray 7.347 1.559 0.857 

NC apples Ground Spray 5.393 1.389 0.704 

Aerial Spray 5.476 1.454 0.794 

OR apples Ground Spray 2.944 0.794 0.383 

Aerial Spray 3.203 0.908 0.511 

Stone Fruit Group 

MI cherry Ground Spray 3.112 1.029 0.341 

Aerial Spray 2.522 0.975 0.450 

GA peach Ground Spray 0.892 0.189 0.092 

Aerial Spray 1.244 0.293 0.191 

Alfalfa/Clover for Seed CA alfalfa Ground Spray 1.306 0.416 0.285 

Aerial Spray 1.281 0.455 0.328 

Mint OR mint Ground Spray 0.466 0.129 0.070 

Aerial Spray 0.695 0.249 0.193 

Tree Nuts 

Ca Almonds Ground Spray 0.56 0.14 0.11 

Aerial Spray 0.82 0.24 0.22 

GA Pecans Ground Spray 3.94 0.51 0.25 

Aerial Spray 4.15 0.54 0.29 

1-PCA=0.91 

Groundwater 

SCI-GROW 

The chemical input parameters for flonicamid and its degradation products are shown in Tables

7 and 9. Pesticide application conditions (i.e., method, rate, application interval) and SCIGROW EDWCs are shown in Table 12. 

 
11 

Table 12: Estimated Drinking Water Concentrations of Flonicamid and Its Degradation 

Products (TFNA, TFNG, TFNA-AM, TFNA-OH) in Ground Water Using SCI-GROW 

Residues Application 

Rate 

lbs ai/A 

Application 

Number 

EDWC 

(ug/L) 

Flonicamid 0.133 2 0.00075 

Flonicamid + Degradation 

Products (TTR) 0.133 2 0.00131 

PRZM-GW 

The chemical input parameters and application conditions for flonicamid and its degradation 

products are shown in Tables 7 , 9, and 12. The PRZM-GW EDWCs are shown in Table 13. 

Table 13: Estimated Drinking Water Concentrations of Flonicamid and Total Toxic 

Residues (Flonicamid ,TFNA, TFNG, TFNA-AM, TFNA-OH) in Ground Water Using 

PRZM-GW 

Residue Scenario 

Peak 

Concentration 

Average 

Breakthrough 

Concentration 

Breakthrough 

Time 

μg/L Days 

Flonicamid FLCitrus 2.18 0.79 392 

WI 4.16 1.92 1175 

Flonicamid+Degradation 

Products 

FLCitrus 11.5 5.86 236 

WI 15.9 9.92 868 

Monitoring Data 

There are no water monitoring data for flonicamid in USGS National Water-Quality Assessment 

Program (NAWQA), USEPA/USGS Pilot Reservoir Monitoring Program, USDA Pesticide Data 

Program (PDP), and California Department of Pesticide Regulation (CDPR). 
12 

Appendix A 

PRZM/EXAMS OUTPUT (FL Tomato Scenario) 

Flonicamid 

stored as FLTOM.out 

Chemical: FLONICAMIDE 

PRZM environment: FLtomatoSTD_V2.txt modified Tueday, 20 May 2008 at 12:00:14 

EXAMS environment: ir298.exv modified Tueday, 26 August 2008 at 06:14:08 

Metfile: w12844.dvf modified Tueday, 26 August 2008 at 06:14:22 

Water segment concentrations (ppb) 

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 

1961 0.43 0.3356 0.2022 0.08136 0.05427 0.01339 

1962 2.445 1.91 0.9018 0.3402 0.2269 0.05598 

1963 10.16 7.719 3.211 1.184 0.7894 0.1948 

1964 8.164 6.161 2.54 0.9738 0.6497 0.1599 

1965 0.5894 0.4416 0.2686 0.1111 0.07409 0.0183 

1966 0.4106 0.3073 0.1753 0.07431 0.04957 0.01223 

1967 0.4078 0.3032 0.1719 0.06517 0.04347 0.01073 

1968 2.233 1.752 0.8348 0.3368 0.2247 0.05529 

1969 5.35 4.239 1.934 0.7234 0.4824 0.119 

1970 0.4362 0.3331 0.1888 0.109 0.07272 0.01796 

1971 7.782 5.817 2.274 0.9908 0.661 0.1631 

1972 11.62 8.65 3.414 1.277 0.8519 0.2096 

1973 6.242 4.613 1.797 0.6759 0.4508 0.1113 

1974 0.514 0.3919 0.2573 0.108 0.07203 0.01779 

1975 0.4451 0.3705 0.2541 0.1033 0.06894 0.01701 

1976 3.854 2.967 1.404 0.5549 0.3701 0.09108 

1977 12.19 9.276 4.728 1.767 1.178 0.2908 

1978 0.7577 0.6128 0.3538 0.1408 0.09393 0.02322 

1979 2.803 2.122 0.8966 0.3704 0.2471 0.06096 

1980 1.737 1.305 0.5825 0.2405 0.1604 0.03947 

1981 0.8251 0.6121 0.4072 0.187 0.1247 0.03078 

1982 2.744 2.07 0.9591 0.3723 0.2483 0.06127 

1983 0.7153 0.5355 0.2867 0.1311 0.08745 0.02158 

1984 0.5415 0.4057 0.2159 0.1203 0.08028 0.01976 

1985 1.862 1.462 0.7552 0.315 0.2101 0.05185 

1986 0.4585 0.3432 0.2408 0.09935 0.06627 0.01636 

1987 4.109 3.23 1.587 0.6088 0.406 0.1002 

1988 0.6017 0.4551 0.3464 0.1516 0.1012 0.0249 

1989 0.4028 0.2957 0.1962 0.07758 0.05174 0.01277 

1990 1.058 0.7793 0.3604 0.1426 0.09512 0.02347 

Sorted results 

Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 

0.032258064516129 12.19 9.276 4.728 1.767 1.178 0.2908 

0.0645161290322581 11.62 8.65 3.414 1.277 0.8519 0.2096 

0.0967741935483871 10.16 7.719 3.211 1.184 0.7894 0.1948 

0.129032258064516 8.164 6.161 2.54 0.9908 0.661 0.1631 
13 

0.161290322580645 7.782 5.817 2.274 0.9738 0.6497 0.1599 

0.193548387096774 6.242 4.613 1.934 0.7234 0.4824 0.119 

0.225806451612903 5.35 4.239 1.797 0.6759 0.4508 0.1113 

0.258064516129032 4.109 3.23 1.587 0.6088 0.406 0.1002 

0.290322580645161 3.854 2.967 1.404 0.5549 0.3701 0.09108 

0.32258064516129 2.803 2.122 0.9591 0.3723 0.2483 0.06127 

0.354838709677419 2.744 2.07 0.9018 0.3704 0.2471 0.06096 

0.387096774193548 2.445 1.91 0.8966 0.3402 0.2269 0.05598 

0.419354838709677 2.233 1.752 0.8348 0.3368 0.2247 0.05529 

0.451612903225806 1.862 1.462 0.7552 0.315 0.2101 0.05185 

0.483870967741936 1.737 1.305 0.5825 0.2405 0.1604 0.03947 

0.516129032258065 1.058 0.7793 0.4072 0.187 0.1247 0.03078 

0.548387096774194 0.8251 0.6128 0.3604 0.1516 0.1012 0.0249 

0.580645161290323 0.7577 0.6121 0.3538 0.1426 0.09512 0.02347 

0.612903225806452 0.7153 0.5355 0.3464 0.1408 0.09393 0.02322 

0.645161290322581 0.6017 0.4551 0.2867 0.1311 0.08745 0.02158 

0.67741935483871 0.5894 0.4416 0.2686 0.1203 0.08028 0.01976 

0.709677419354839 0.5415 0.4057 0.2573 0.1111 0.07409 0.0183 

0.741935483870968 0.514 0.3919 0.2541 0.109 0.07272 0.01796 

0.774193548387097 0.4585 0.3705 0.2408 0.108 0.07203 0.01779 

0.806451612903226 0.4451 0.3432 0.2159 0.1033 0.06894 0.01701 

0.838709677419355 0.4362 0.3356 0.2022 0.09935 0.06627 0.01636 

0.870967741935484 0.43 0.3331 0.1962 0.08136 0.05427 0.01339 

0.903225806451613 0.4106 0.3073 0.1888 0.07758 0.05174 0.01277 

0.935483870967742 0.4078 0.3032 0.1753 0.07431 0.04957 0.01223 

0.967741935483871 0.4028 0.2957 0.1719 0.06517 0.04347 0.01073 

0.1 9.9604 7.5632 3.1439 1.16468 0.77656 0.19163 

 Average of yearly averages: 0.0681616666666667 

Inputs generated by pe5.pl - Novemeber 2006 

Data used for this run: 

Output File: FLTOM 

Metfile: w12844.dvf 

PRZM scenario: FLtomatoSTD_V2.txt 

EXAMS environment file: ir298.exv 

Chemical Name: FLONICAMIDE 

Description Variable Name Value Units Comments 

Molecular weight mwt 229 g/mol 

Henry's Law Const. henry atm-m^3/mol 

Vapor Pressure vapr 7.07E-9 torr 

Solubility sol 5300 mg/L 

Kd Kd mg/L 

Koc Koc 19.03 mg/L 

Photolysis half-life kdp days Half-life 

Aerobic Aquatic Metabolism kbacw 5.16 days Halfife 

Anaerobic Aquatic Metabolism kbacs 482.1 days Halfife 

Aerobic Soil Metabolism asm 2.58 days Halfife 

Hydrolysis: pH 7 days Half-life 

Method: CAM 2 integer See PRZM manual 

Incorporation Depth: DEPI cm 

Application Rate: TAPP 0.1498 kg/ha 
14 

Application Efficiency: APPEFF 0.95 fraction 

Spray Drift DRFT 0.056 fraction of application rate applied to pond 

Application Date Date 1-5 dd/mm or dd/mmm or dd-mm or dd-mmm 

Interval 1 interval 7 days Set to 0 or delete line for single app. 

app. rate 1 apprate 0.1498 kg/ha 

Record 17: FILTRA 

 IPSCND 1 

 UPTKF 

Record 18: PLVKRT 

 PLDKRT 

 FEXTRC 0.5 

Flag for Index Res. Run IR Reservoir 

Flag for runoff calc. RUNOFF total none, monthly or total(average of entire run) 

Total Toxic Residues 

stored as FLTOM.out 

Chemical: FLONICAMIDE 

PRZM environment: FLtomatoSTD_V2.txt modified Tueday, 20 May 2008 at 12:00:14 

EXAMS environment: ir298.exv modified Tueday, 26 August 2008 at 06:14:08 

Metfile: w12844.dvf modified Tueday, 26 August 2008 at 06:14:22 

Water segment concentrations (ppb) 

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 

1961 0.591 0.5718 0.5002 0.3727 0.2844 0.07521 

1962 3.192 3.054 2.529 1.586 1.174 0.3078 

1963 11 10.52 8.458 5.225 3.839 0.9996 

1964 9.299 8.749 7.123 4.39 3.229 0.8529 

1965 0.9105 0.856 0.6784 0.4617 0.3526 0.09466 

1966 0.6741 0.6408 0.506 0.3974 0.3087 0.08273 

1967 0.5516 0.5181 0.403 0.2791 0.2112 0.05595 

1968 3.01 2.882 2.369 1.509 1.138 0.3015 

1969 6.108 5.764 5.077 3.237 2.391 0.6261 

1970 1.815 1.741 1.366 0.8518 0.6694 0.183 

1971 10.03 9.594 7.475 4.549 3.465 0.9235 

1972 13.39 12.58 9.847 5.968 4.37 1.142 

1973 6.742 6.33 4.926 3.011 2.214 0.5841 

1974 0.8879 0.8341 0.6628 0.4548 0.347 0.09259 

1975 0.8048 0.7629 0.6715 0.4542 0.346 0.09195 

1976 4.535 4.383 3.502 2.214 1.676 0.4424 

1977 15.66 14.73 12.62 8.109 5.995 1.568 

1978 1.207 1.133 1.008 0.6838 0.5155 0.1377 

1979 3.498 3.296 2.646 1.618 1.211 0.3232 

1980 1.962 1.853 1.619 1.132 0.8504 0.2256 

1981 2.097 1.969 1.617 1.086 0.8287 0.2218 

1982 2.905 2.733 2.402 1.636 1.218 0.32 

1983 1.116 1.049 0.8354 0.5606 0.432 0.115 

1984 1.904 1.794 1.417 0.886 0.695 0.1893 

1985 2.755 2.589 2.146 1.621 1.222 0.3251 

1986 0.7933 0.7457 0.603 0.4137 0.3144 0.08351 

1987 5.904 5.604 4.545 2.866 2.12 0.5569 
15 

1988 1.457 1.371 1.076 0.7373 0.5673 0.151 

1989 0.5919 0.5553 0.4817 0.3258 0.245 0.06455 

1990 1.331 1.249 1.004 0.6486 0.4926 0.1301 

Sorted results 

Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 

0.032258064516129 15.66 14.73 12.62 8.109 5.995 1.568 

0.0645161290322581 13.39 12.58 9.847 5.968 4.37 1.142 

0.0967741935483871 11 10.52 8.458 5.225 3.839 0.9996 

0.129032258064516 10.03 9.594 7.475 4.549 3.465 0.9235 

0.161290322580645 9.299 8.749 7.123 4.39 3.229 0.8529 

0.193548387096774 6.742 6.33 5.077 3.237 2.391 0.6261 

0.225806451612903 6.108 5.764 4.926 3.011 2.214 0.5841 

0.258064516129032 5.904 5.604 4.545 2.866 2.12 0.5569 

0.290322580645161 4.535 4.383 3.502 2.214 1.676 0.4424 

0.32258064516129 3.498 3.296 2.646 1.636 1.222 0.3251 

0.354838709677419 3.192 3.054 2.529 1.621 1.218 0.3232 

0.387096774193548 3.01 2.882 2.402 1.618 1.211 0.32 

0.419354838709677 2.905 2.733 2.369 1.586 1.174 0.3078 

0.451612903225806 2.755 2.589 2.146 1.509 1.138 0.3015 

0.483870967741936 2.097 1.969 1.619 1.132 0.8504 0.2256 

0.516129032258065 1.962 1.853 1.617 1.086 0.8287 0.2218 

0.548387096774194 1.904 1.794 1.417 0.886 0.695 0.1893 

0.580645161290323 1.815 1.741 1.366 0.8518 0.6694 0.183 

0.612903225806452 1.457 1.371 1.076 0.7373 0.5673 0.151 

0.645161290322581 1.331 1.249 1.008 0.6838 0.5155 0.1377 

0.67741935483871 1.207 1.133 1.004 0.6486 0.4926 0.1301 

0.709677419354839 1.116 1.049 0.8354 0.5606 0.432 0.115 

0.741935483870968 0.9105 0.856 0.6784 0.4617 0.3526 0.09466 

0.774193548387097 0.8879 0.8341 0.6715 0.4548 0.347 0.09259 

0.806451612903226 0.8048 0.7629 0.6628 0.4542 0.346 0.09195 

0.838709677419355 0.7933 0.7457 0.603 0.4137 0.3144 0.08351 

0.870967741935484 0.6741 0.6408 0.506 0.3974 0.3087 0.08273 

0.903225806451613 0.5919 0.5718 0.5002 0.3727 0.2844 0.07521 

0.935483870967742 0.591 0.5553 0.4817 0.3258 0.245 0.06455 

0.967741935483871 0.5516 0.5181 0.403 0.2791 0.2112 0.05595 

0.1 10.903 10.4274 8.3597 5.1574 3.8016 0.99199 

 Average of yearly averages: 0.375591666666667 

Inputs generated by pe5.pl - Novemeber 2006 

Data used for this run: 

Output File: FLTOM 

Metfile: w12844.dvf 

PRZM scenario: FLtomatoSTD_V2.txt 

EXAMS environment file: ir298.exv 

Chemical Name: FLONICAMIDE 

Description Variable Name Value Units Comments 

Molecular weight mwt 229 g/mol 

Henry's Law Const. henry atm-m^3/mol 

Vapor Pressure vapr 7.07E-9 torr 

Solubility sol 5300 mg/L 
16 

Kd Kd mg/L 

Koc Koc 0 mg/L 

Photolysis half-life kdp days Half-life 

Aerobic Aquatic Metabolism kbacw 55.1 days Halfife 

Anaerobic Aquatic Metabolism kbacs days Halfife 

Aerobic Soil Metabolism asm 4.28 days Halfife 

Hydrolysis: pH 7 days Half-life 

Method: CAM 2 integer See PRZM manual 

Incorporation Depth: DEPI cm 

Application Rate: TAPP 0.1498 kg/ha 

Application Efficiency: APPEFF 0.95 fraction 

Spray Drift DRFT 0.056 fraction of application rate applied to pond 

Application Date Date 1-5 dd/mm or dd/mmm or dd-mm or dd-mmm 

Interval 1 interval 7 days Set to 0 or delete line for single app. 

app. rate 1 apprate 0.1498 kg/ha 

Record 17: FILTRA 

 IPSCND 1 

 UPTKF 

Record 18: PLVKRT 

 PLDKRT 

 FEXTRC 0.5 

Flag for Index Res. Run IR Reservoir 

Flag for runoff calc. RUNOFF total none, monthly or total(average of entire run) 

SCI-GROW OUTPUT 

Flonicamid 

SCIGROW 

VERSION 2.3 

ENVIRONMENTAL FATE AND EFFECTS DIVISION 

OFFICE OF PESTICIDE PROGRAMS 

U.S. ENVIRONMENTAL PROTECTION AGENCY 

SCREENING MODEL 

FOR AQUATIC PESTICIDE EXPOSURE 

SciGrow version 2.3 

chemical:Flomicamid 

time is 5/23/2013 14:40:56 

------------------------------------------------------------------------ 

Application Number of Total Use Koc Soil Aerobic 

rate (lb/acre) applications (lb/acre/yr) (ml/g) metabolism (days) 

------------------------------------------------------------------------ 

0.133 2.0 0.266 1.90E+01 2.6 

------------------------------------------------------------------------ 
17 

groundwater screening cond (ppb) = 7.50E-04 

************************************************************************ 

Total Toxic Residues 

 SCIGROW 

 VERSION 2.3 

 ENVIRONMENTAL FATE AND EFFECTS DIVISION 

 OFFICE OF PESTICIDE PROGRAMS 

 U.S. ENVIRONMENTAL PROTECTION AGENCY 

 SCREENING MODEL 

 FOR AQUATIC PESTICIDE EXPOSURE 

 

 SciGrow version 2.3 

 chemical:Flonicamid 

 time is 5/23/2013 14:39:41 

 ------------------------------------------------------------------------ 

 Application Number of Total Use Koc Soil Aerobic 

 rate (lb/acre) applications (lb/acre/yr) (ml/g) metabolism (days) 

 ------------------------------------------------------------------------ 

 0.133 2.0 0.266 0.00E+00 4.2 

 ------------------------------------------------------------------------ 

 groundwater screening cond (ppb) = 1.31E-03 

 ************************************************************************ 
18 

PRZM-GW OUTPUT 

Flonicamid 
19 

Total Toxic Residues