VI. Appendices ( Revised by EFED on February 16, 2006)

APPENDIX A. Environmental Fate Studies Figure A 1. Structures of Pyrethrins Appendices 2 Figure A 2. The general stereochemistry of the pyrethrins R =  CH 4 ( for cinerin),  CH 3 CH 4 ( for jasmolin) or  CH= CH 2 ( for pyrethrin)

R'=  CH 3 ( for pyrethrins I)  CO 2 CH 4 ( for the pyrethins II)

Nomenclature of Pyrethrins and their Major Transformation Products pyrethrin 1: ( Z)( S) 2 methyl 4 oxo 3( penta 2,4 dienyl) cyclo pent 2 enyl ( 1R) trans 2,2 dimethyl 3( 2 methylprop 1 enyl) cyclopropanecarboxylate pyrethrin 2: ( Z)( S) 2 methyl 4 oxo 3( penta 2,4 dienyl) cyclo pent 2 enyl ( E)( 1R) trans 3( methoxy carbonylprop enyl) 2,2 dimethylcyclopropanecar boxylate cinerin 1: ( Z)( S) 3( but 2 enyl) 2 methyl 4 oxocyclopent 2 enyl ( 1R) trans 2,2 di methyl 3( 2 methyl prop 1 enyl) cyclopropanecarboxylate cinerin 2: ( Z)( S) 3( but 2 enyl) 2 methyl 4oxocyclopent 2 enyl ( E)( 1R) trans 3( 2 methoxycarbonylprop 1 enyl) 2,2 dimethyl cyclopropanecarboxylate jasmolin 1: ( Z)( S) 2 methyl 4 oxo 3( pent 2 enyl) cyclopent 2 enyl ( 1R) trans 2,2 dimethyl 3( 2 methylprop 1enyl) cyclopropanecarboxylate jasmolin 2: ( Z)( S) 2 methyl 4 oxo 3( pent 2 enyl) cyclopent 2 enyl ( 1R) trans 3( 2 methoxycarbonylprop 1 enyl) 2,2 dimethylcyclopropanecarboxylate Chrysanthemic acid: 2( 1 isobutenyl 3,3 dimethylcyclopropanecarboxylic acid or 3 isobutenyl 2,2 dimethylcyclopopanecarboxylic acid Pyrethric acid CDA or Chrysanthemum Dicarboxylic Acid 2,2 dimethyl 1,3 cyclopropanedicarboxylic acid Appendices 3 161 1 Hydrolysis ( MRID 43188201, 43567502, Acceptable)

MRID 43188201: [ 14C] Pyrethrin [ pyrethrin 1]; degraded very slowly in sterile aqueous buffer solutions adjusted to pH 5 or 7 that were treated at 0.31  0.38 ppm with cyclopropane labeled [ 1 14C] pyrethrin and incubated in the dark at 25 + 1 ° C for 30 days. In pH 9 buffer solutions treated at 0.35  0.38 ppm and incubated under similar conditions, [ 14C] pyrethrin degraded with an observed half life of approximately 14 days. One [ 14C] degradate, chrysanthemic acid was isolated from the treated solutions. It was a maximum of 53.9  64.5% at 21  30 days posttreatment. In the pH 5 and 7 solutions at 30 days posttreatment, [ 14C] pyrethrin and chrysanthemic acid comprised 94.6  97.0 and < 2.6% of the applied radioactivity, respectively. Up to 4.5% of the applied radioactivity in the ethyl acetate extracts, and up to 1.7% remaining in the extracted aqueous solutions was uncharacterized. In the pH 9 solutions, [ 14C] pyrethrin comprised 89.5  96.7% of the applied through 3 days posttreatment, 51.1  53.0% at 14 days, 29.3  32.0% at 21 days, and 34.3  34.9% at 30 days; chrysanthemic acid increased steadily to 53.9  64.5% at 21 and 30 days. Up to 6.4% of the applied radioactivity in the ethyl acetate extracts, and up to 2.0% remaining in the extracted aqueous solutions was uncharacterized. Material balances were variable throughout the study, ranging from 85.2 to 104.5% of the applied for the pH 5 solution, from 86.1 to 100.6% for the pH 7 solutions, and from 90.9 to 103.3% for the pH 9 solutions.

MRID 43567502: Cyclopropane ring labeled [ 1 14C] pyrethrin [ Pyrethrin 1], at a nominal concentration of 0.4 ppm, was relatively stable in sterile aqueous pH 5 and 7 buffer solutions that were incubated in the dark at 25 ± 1 /

C for 30 days. In pH 9 solutions, pyrethrin hydrolyzed with a calculated half life of 17 days ( r2 = 0.87). Samples were analyzed for total radioactivity using LSC and specific components by reverse phase HPLC. In the pH 5 and 7 solutions, pyrethrin was 87  98% of the applied at time 0 and 95  97% at 30 days with no apparent pattern of decline. Chrysanthemic acid was first detected at 3 days and increased to a maximum 4.5% of the applied ( CN column) at 30 days. In the pH 9 solutions, pyrethrin was 90  91% of the applied at time 0, 51  53% at 14 days posttreatment, and 29  35% at 21 and 30 days. Chrysanthemic acid was increased steadily to a maximum 54  64% at 21 days posttreatment, and was 60  62% at 30 days. Material balances for the pH 5 and 7 solutions were 85  104% of the applied during the study, and for the pH 9 solution were 91  103%.

To identify any major non radiolabeled degradates arising from the unlabeled cyclopentene ( pyrethrolone) portion of the molecule, cyclopropane ring labeled [ 1 14C] pyrethrin was also hydrolyzed in a bulk pH 9 sterile aqueous buffer solution treated at  0.4 ppm and incubated at 25 ± 1C ° for 30 days. The samples were analyzed for total radioactivity by LSC and specific components by HPLC using radioactive/ UV detection at 30 days posttreatment. Pyrethrin and chrysanthemic acid respectively accounted for 22.0% and 68.9% of the applied radioactivity. Two significant UV peaks were observed, which were identified as pyrethrin and a dimer of pyrethrolone The sterility of the buffer solutions was not confirmed, however, because the test substance was stable at pH 5 and 7, the deviation is considered minor.

A dimer derived from the hydrolysis product pyrethrolone ( MW 320), was identified as the single Appendices 4 main alcohol derived degradate, in a parallel test. It is consistent with the following pattern: hydrolysis of Pyrethrin 1 to form pyrethrolone, rapid elimination of water by pyrethrolone to form the corresponding cyclopentadione, and Diels Alder condensation to form the observed dimer.

161 2 Aqueous Photolysis ( MRID 43096601, 43567601, Supplemental)

This study provides useful supplemental information about the aqueous photolysis of pyrethrin.

C Even though all the transformation products [ other than the ( E) isomer of pyrethrin 1], were < 10% of the applied, the pattern of decline of those, could not be delineated and it is essential to exclude their potential toxicological and ecotoxicological concern. Therefore, the study is classified as supplemental. At this point, EFED is not requiring a new study, but should toxicological concerns would be raised with respect to degradates of pyrethrin, additional information may be required.

Reported results of this study showed that pyrethrin 1 underwent photo initiated isomerization with an observed half life of approximately 1 hour in sterile aqueous 0.01 M buffer solutions ( pH 7) that were irradiated with sunlight in Irvine, California ( 33 ° 41' N, 117 ° 15' W) at 25 ° C for 71 hours, between 11 AM on October 7 and 10 AM on October 10, 1993. During the first hour of irradiation, the intensity of the sunlight was 342.3 watt@ hours/ m2; during the first 4 hours of irradiation, the intensity of the sunlight ranged from 307.0 to 691.8 watt@ hours/ m2. The major transformation product was the ( E) isomer of pyrethrin 1, which reached a maximum 50.7  55.7% of the applied amount at 2 hours posttreatment ( identified by GC/ MS, using EI interface). The overall calculated half life of dissipation of pyrethrin 1 and its ( E) isomer was 11.8 hours.

Four unidentified degradates were isolated at maximums of 4.9 to 9.0% of the applied initial concentration. More than 20 secondary degradates were isolated at < 10% of the applied amount. In the dark control, pyrethrin 1 comprised 91.9  97.3% of the applied radioactivity through 72 hours posttreatment.

161 3 Photodegradation on Soil ( MRID 43096602, Supplemental)

This study provides supplemental information about the photodegradation on soil of pyrethrin. Several problems were found in the study which were spelled out in the original review. The study was not considered fully acceptable for the following main reason:

C In the " 0 hour" irradiated and dark control soil samples, only 66  69% of the applied radioactivity was identified as pyrethrin. According to the registrant, the reason was that the samples were extracted approximately 24 hours after treatment.

This study shows that [ 14C] Pyrethrin [ Pyrethrin 1]; photodegraded with an observed half life of < 24 hours ( registrant reported 12.9 hours) in sandy loam soil that was treated at 9.0  9.6 ppm with cyclopropane labeled [ 1 14C] pyrethrin and irradiated with natural sunlight in California at Appendices 5 24+ 2 ° C for 24 hours in mid November. In contrast, the dark control samples degraded with a reported half life of 82.9 hours.

During the first 4 hours of irradiation, the intensity of the sunlight increased from 285.9 to 1029 watt hours/ m2; during the 24 hour study, the intensity of the sunlight ranged from < 0.0007 to 1029 watt@ hours/ m2.

In the irradiated soil, [ 14C] pyrethrin was 66.0  69.3% of the applied amount at 0 hours posttreatment, ranged from 42.8 to 59.0% at 1 through 4 hours, and was 11.7  21.1% at 24 hours. In the dark control, [ 14C] pyrethrin comprised 66.7  73.9% of the applied through 4 hours posttreatment, and was 57.6% at 24 hours.

Numerous radioactive degradates were isolated from the irradiated and dark control soils; no [ 14C] compound, other than pyrethrin, was present in the soils at > 10% of the applied.

In the irradiated samples at 24 hours posttreatment, extractable [ 14C] residues other than [ 14C] pyrethrin totaled an average 68.4% of the applied, unextracted [ 14C] residues totaled 9.5  11.3%, and volatilized 14CO 2 totaled 1.46  2.93%. In the dark control samples at 24 hours posttreatment, extractable [ 14C] residues other than [ 14C] pyrethrin totaled 35.6% of the applied, unextracted [ 14C] residues totaled 6.0%, and volatilized 14CO 2 totaled 0.23%.

During the study, material balances in the irradiated and dark control soils were 92.6  100.7 and 91.5  100.3% of the applied, respectively, with no clear pattern of decline.

161 4 Photolysis in Air ( Waived)

The data requirement is waived. Pyrethrin 1 has a moderately low vapor pressure of 2.03x10 5 mm Hg, and an aqueous solubility of 0.2 ppm. The estimated Henry's Law constant is 7.7x10 7 atm m3/ mol ( EPISUITE). Based upon its Henry's Law constant, pyrethrins are expected to have a relatively small potential for volatilization from water. The potential for volatilization from soil is even lower due to its high soil/ water partitioning K oc > 5000. It should be emphasized, however, that photolysis is an important mechanism of dissipation of pyrethrins, and it may be important in uses such as mosquito abatement.

162 1 Aerobic Soil Metabolism ( MRID 43499803, Supplemental)

This study is considered supplemental and provides useful information towards the aerobic soil metabolism ( § 162 1) data requirement. The study provides scientifically valid data showing that the aerobic degradation of cyclopropane ring labeled [ 1 14C] pyrethrin in sandy loam soil at nominal concentration of 1 ppm had biphasic character. The following minor problems were found in the study:

C Microbial viability of the test soil was not confirmed; however, since the rate of Appendices 6 degradation of pyrethrin was relatively fast, it is presumed that the test soil was viable.

C The analytical method detection limits were not reported, additionally it appears that a validation of the analytical methodology for the determination of pyrethrin 1 in soil was not conducted.

C Despite the fact that the bound residues were substantial, only one extraction was performed, and it is not known if additional extractions could have extracted additional material. It is noted that the high levels of nonextractable residues occur approximately at 30 days, which is well after the first half life of the biphasic cycle.

Cyclopropane ring labeled [ 1 14C] pyrethrin 1, at a nominal application rate of 1 ppm, degraded with a calculated half life of 9.5 days ( r2 = 0.77) in sandy loam soil adjusted to 75% of 0.33 bar moisture content and incubated in the dark at 25 ± 1 ° C for up to 181 days. The degradation of pyrethrin 1 was biphasic [ half lives were 3.2 days ( 0  14 day data) and 23.5 days ( r2 = 0.98; 14  59 day data)].

Based on HPLC analysis, the parent compound was initially present at 85.4% ( 0.85 ppm), was 65.4% ( 0.65 ppm) by 1 day posttreatment, was 48.2% ( 0.48 ppm) at 2 days and 15.6% ( 0.16 ppm) at 3 days, decreased to 1.03% ( 0.01 ppm; single replicate) by 59 days.

The major unidentified region, Reg 3, was initially ( time 0) detected at 4.6% ( 0.05 ppm) of the applied radioactivity, increased to 10.9% ( 0.11 ppm) by 0.5 days, was a maximum of 29.7% ( 0.30 ppm) at 3 days, and decreased to 3.0% ( 0.03 ppm) by 59 days, the last sampling interval data were reported. This region appears to consist of a band of multiple peaks ( possibly transient). On Day 3, Rep. A, two distinct peaks ( 28, and 31 minutes) were observed, but they were integrated along with the entire region ( Reg. 3). The Rep. B shows only one of those peaks ( 31 min.).

The minor degradate, chrysanthemic acid, was initially ( time 0) present at 1.1% ( 0.01 ppm), was a maximum of 4.0% ( 0.04%) at 3 days posttreatment, and was 0.27% ( 0.003 ppm) at 59 days. The minor unidentified degradates, Met A, Met B, Met C, and regions Reg 1, Reg 2, and Reg 4, were each present at < 7.5% (< 0.08 ppm; single replicate) of the applied radioactivity from 0 to 59 days posttreatment. Nonextractable [ 14C] residues accounted for a maximum of 40.0% ( 0.40 ppm) of the applied at 30 days posttreatment. Based on organic matter fractionation analysis, 5.9% of the applied radioactivity was humin, 11.7% was fulvic acid, and 9.5% was humic acid. Evolved 14CO 2 initially ( time 0) accounted for 0.32% of the applied at 0.5 days posttreatment and was a maximum of 43.4% ( 0.43 ppm) at 181 days. Material balances ( based on LSC analysis of individual replicates) were 82.7  101.1% of the applied radioactivity.

The registrant proposed a metabolic pathway for pyrethrin 1 under aerobic soil conditions. The chemical is degraded rapidly to yield a variety of components, with the rapid formation of carbon dioxide, suggesting that the overall breakdown process of the product is mostly mediated by a Appendices 7 combination of oxidative and hydrolytic mechanisms.

162 3 Anaerobic Aquatic Metabolism ( MRID 43499802, Supplemental)

This study provides supplemental information about the anaerobic aquatic metabolism of pyrethrin 1. The following minor deficiencies were found in the study:

C It could not be determined whether anaerobicity was achieved and maintained throughout the study period. Glucose ( 0.5 g) was added to the sediment/ water systems, which promotes anaerobicity; furthermore, the system was purged with nitrogen, and the samples were preincubated for 30 days. It is most likely that the samples were anaerobic. However, Subdivision § N Guidelines require that anaerobicity of the system be assured.

C The microbial viability of the test sediment was not confirmed.

C The limits of quantitation and detection were not reported for HPLC, TLC, and LSC analyses.

Cyclopropane ring labeled [ 1 14C] pyrethrin 1, at a nominal application rate of 1 ppm, degraded with a calculated half life of 86.1 days ( r2 = 0.94) in flooded sandy loam soil incubated at 25 ± 1 ° C for up to 364 days posttreatment. However, the degradation pattern was biphasic; the calculated initial half life was 27.8 days ( r2 = 0.98; 0  31 days data). Based on HPLC analysis, in the sediment phase, the parent compound was initially present at 97.5% ( 0.98 ppm) of the applied, was 45.3% at 3 days, and 3.7 6.1% from 278 364 days. The parent compound was not detected in the water phase.

Despite the fact that the test substance was applied at around five times the solubility limit of pyrethrin 1, in the water phase the parent compound was not detected at any sampling interval during the incubation period while the major degradate, chrysanthemic acid ( designated Met 12), was a maximum of 10.3% of the applied radioactivity ( 0.10 ppm) at 90 days. Chysanthemum dicarboxylic acid was a maximum of 14.2% of the applied radioactivity ( 0.14 ppm) at 364 days. In the sediment phase, the parent compound was initially 97.5% ( 0.98 ppm), 3.7  6.1% of the applied radioactivity from days 270  364. The major degradate, jasmolin 1, was 10.0% of the applied radioactivity ( 10 ppm) at 364 days. Non extractable residues accounted for a maximum of 52.1% of the applied radioactivity at 119 days posttreatment ( note: unextractable residues are high). The minor degradate, chrysanthemic acid, was a maximum of 7.0% ( 0.07 ppm; single replicate) at day 3 posttreatment and other minor unidentified degradates were each # 6.6% (# 0.07 ppm) during the study period. Nonextractable [ 14C] residues accounted for a maximum of 52.1% at 119 days posttreatment. Evolved 14CO 2 accounted for 13.49% of the applied 364 days. Volatile [ 14C] residues accounted for a maximum of 1.08% ( 0.01 ppm) throughout the study period.

The registrant proposed a metabolic pathway: under anaerobic conditions, pyrethrin 1 degrades at Appendices 8 a slow rate to yield various components such as chrysanthemic acid, a chrysanthemum dicarboxilic acid ( CDA), Jasmolin I, and numerous minor metabolites. There is the formation of small amounts of carbon dioxide, which appears to indicate that such product breakdown by a combination of hydrolytic, reductive, and oxidative mechanisms.

162 4 Aerobic Aquatic Metabolism ( MRID 43499801, Supplemental)

This study provides useful supplemental information about the aerobic aquatic metabolism of pyrethrin. Cyclopropane ring labeled [ 1 14C] pyrethrin degrades with a half life of 10.5 days ( r2 = 0.96) in flooded sandy loam soil incubated at 25 ± 1 ° C for up to 30 days. Despite its deficiencies, the data provided by this study is sufficient to conduct a first tier risk assessment. The following minor problems were found in the study:

C The aerobicity of the test system was not confirmed throughout the study period ( humidified CO 2  free air was purged through the samples). The study authors stated that the dissolved oxygen concentration was 8.7 mg/ L and redox potential was 459 mV in the water at the initiation of the study period; however, data were not reported for the remainder of the study period.

C Microbial viability of the test sediment was not confirmed; since the rate of degradation of pyrethrin was moderately rapid, it is presumed that the soil was viable.

C The limits of quantitation and detection were not reported for HPLC and LSC analysis.

C Substantial amounts of bound residues were observed. It is not certain if the registrant made all possible efforts to extract all extractable material from the soils. It is noted that the high levels of nonextractable residues occur approximately at 30 days, which is well after the first half life of 10.5 days.

Cyclopropane ring labeled [ 1 14C] pyrethrin, at a nominal application rate of 1 ppm, degraded with a registrant calculated half life of 10.5 days ( r2 = 0.98) in flooded sandy loam soil incubated at 25 ± 1 ° C for up to 30 days posttreatment.

Based on HPLC analysis, in the total sediment/ water system, the parent compound was initially present at 105.9% ( 1.06 ppm) of the applied radioactivity, was 52.7% ( 0.53 ppm) at 7 days posttreatment, was 28.4% ( 0.28 ppm) at 14 days, and was 14.7% ( 0.15 ppm; single replicate) at 30 days.

In the water phase, the parent compound was initially present at 7.6% ( 0.08 ppm) of the applied radioactivity, and was last detected at 0.4% ( 0.004 ppm) at 14 days posttreatment. The major degradate, chrysanthemic acid ( designated Met 2), was initially detected at 8.4% ( 0.08 ppm) of the applied radioactivity at 7 days posttreatment, and was 11.5  14.0% ( 0.11  0.14 ppm) at 14  30 days. The minor unidentified degradates, Met 1 and Met 3, were each detected at # 1.1% (# 0.01 Appendices 9 ppm; single replicate) of the applied during the study period.

In the sediment phase, the parent compound was initially present at 98.3% ( 0.98 ppm), decreased to 50.7% ( 0.51 ppm) by 7 days posttreatment, was 28.2% ( 0.28 ppm) at 14 days, and was 14.7% ( 0.15 ppm) at 30 days. The major degradate, chrysanthemic acid, was initially detected at 2.5% ( 0.02 ppm) of the applied radioactivity at 3 days posttreatment, was a maximum of 8.1% ( 0.08 ppm) at 14 days, and was 4.8% ( 0.05 ppm) at 30 days. The minor unidentified, degradate Met 4, was initially detected at 0.71% ( 0.007 ppm; single replicate) and was a maximum of 3.1% ( 0.03 ppm; single replicate) at 30 days posttreatment. Nonextractable [ 14C] residues accounted for a maximum of 51.2% of the applied radioactivity at 30 days posttreatment. Based on organic matter fractionation analysis, 10.3% of the applied radioactivity was humin, 23.4% of the applied was fulvic acid, and 5.9% of the applied was humic acid. Evolved 14CO 2 initially accounted for 0.98% ( 0.01 ppm) of the applied radioactivity at 3 days posttreatment and was a maximum of 4.2% ( 0.04 ppm) at 30 days. Volatile [ 14C] residues accounted for # 0.03% throughout the incubation period. The distribution ratio of [ 14C] residues between the sediment and water phases was 12.0: 1 at time 0, 4.2: 1 at 7 days posttreatment, and 1.1: 1 at 30 days.

Material balances ( based on LSC analysis of individual replicates) were 94.8  113.1% ( 0.95  1.13 ppm) of the applied radioactivity throughout the incubation period; a pattern of loss was not observed.

The registrant proposed a metabolic pathway. Under aerobic aquatic test conditions, pyrethrin 1 degrades rapidly to yield chrysanthemic acid and bound residues, with a relatively low formation of carbon dioxide, which suggests that there is rapid breakdown of pyrethrin 1, mediated by hydrolytic and oxidative mechanisms.

163 1 Adsorption/ Desorption ( MRID 43096603, Acceptable)

Based on batch equilibrium experiments, [ 14C] pyrethrin was determined to be immobile in sand, sandy loam, silt loam, and silty clay loam soil: calcium chloride solution slurries ( 1: 100, w: v) containing cyclopropane labeled [ 1 14C] pyrethrin [ Pyrethrin 1], at 0.05, 0.09, 0.50, or 0.81 ppm ( soil basis). The slurries were equilibrated in the dark for 3 hours at ambient temperatures. Freundlich K ads , and K OC values were as indicated in the table below.

Soil type Freundlich Kads Freundlich KOC, ads 1/ n Mobility classification Freundlich Kdes Freundlich KOC, des Sand 198 37847 1.098 Immobilea 965 184767 Sandy loam 268 12472 0.907 Immobilea 2332 108679 Silt loam 430 74175 1.047 Immobilea 2600 448257 Soil type Freundlich Kads Freundlich KOC, ads 1/ n Mobility classification Freundlich Kdes Freundlich KOC, des Appendices 10 Silty clay loam 310 16190 0.922 Immobilea 1151 60133 aImmobile = KOC> 5000 Pyrethrin was relatively stable throughout the study, comprising > 93.6% of the applied in the supernatants and soil extracts. Minor amounts ( 4  5% of the applied) of chrysanthemic acid were recovered in the adsorption supernatant. Material balances following desorption were 90.50  111.86% of the applied. The 1/ n values did not depart significantly from unity. The range was 0.922 to 1.098.

163 2 Laboratory Volatility ( MRID 43096604, Acceptable)

Pyrethrin displayed limited volatility under the conditions of this experiment. Residues of pyrethrin volatilized at a flux of < 0.002 : g/ cm2 @ hour from Mutchler sandy loam soil that was adjusted to 50  75% of field moisture capacity, treated at 0.5 lb ai/ A with pyrethrin 1 formulated as Pyrenone Cropspray ( 6% pyrethrin, 60% technical piperonyl butoxide, and 34% emulsifiers and other inert ingredients), and incubated for 30 days at 25 ° C under an airflow of 100 or 300 mL/ minute. Volatilized residues totaled an average 10.72  16.17% of the applied by 30 days posttreatment, and were identified as CO 2 ( 4.42  9.30% of the applied), pyrethrin (< 0.28%), chrysanthemic acid (" Degradate B"; 3.97  10.04%), " Degradate A" ( 1.33  2.43%), and " Degradate C" ( 0.18  0.60%). Vapor pressures for the total residues were determined to be 3.3  3.9 x 10 7 torr for the samples incubated under an airflow of 100 mL/ minute, and 1.6  1.7 x 10 7 torr for the samples incubated under an airflow of 300 mL/ minute. Maximum mean air concentrations were 5.839  7.316 : g/ m3 for the samples incubated under an airflow of 100 mL/ minute, and 2.960  3.969 : g/ m3 for the samples incubated under an airflow of 300 mL/ minute.

163 3 Field Volatility ( Waived)

The laboratory volatility study showed limited volatility ( a flux of < 0.002 : g/ cm2 @ hour). Furthermore, pyrethrin 1 has a relatively low vapor pressure of 2.03x10 5 mm Hg, and an aqueous solubility of 0.2 ppm, and an estimated ( EPISUITE) Henry's Law constant of 7.7x10 7 Atm° m3/ mol. Based upon its Henry's Law constant, pyrethrin is expected to have a relatively small potential for volatilization from water. Its potential for volatilization from soil is lower due to its high soil/ water partitioning K OC range 12,472 to 74,175. Appendices 11 164 1 Terrestrial Field Dissipation ( MRID 42745501, Waived)

Waiver Request EFED concurs with a waiver for the Terrestrial Field Dissipation Study ( § 164 1) data requirement. EFED believes that the submission of additional information will not add substantial additional information to the environmental fate database.

The registrant waiver requested was based on the following reasons:

C The parent rapidly degrades under most environmental conditions, and the ultimate fate is the degradate CO 2 , and bound residues in soil. The registrant believes that formed metabolites are of no environmental concern.

C The proposed use rate is low ( single application rate 0.050 lb a. i./ acre, seasonal application rate 0.50 a. i./ acre). The degradates would not reach high levels ( estimated highest levels 0.0012 ppm for chrysanthemic acid) and it is believed that they will not reach levels of toxicological or environmental impact.

C The parent and its degradates are not expected to accumulate and contaminate groundwater ( immobile: Koc = 12,472  74,175).

C At the current application rate in field use conditions the peak degradates' concentrations will be below 0.01 ppm, and thus below the limits typically imposed for detection by EFED.

Only one degradate of pyrethrin 1, chrysanthemic acid ( CRA), was identified in the laboratory studies ( soil, water photolysis; hydrolysis, aerobic soil metabolism). Additionally a transfer product ( E) isomer was identified ( photolysis).

The laboratory fate and transport data are adequate for environmental fate, drinking water, and ecological risk assessments, the analytical methods for pyrethrin in soil and water were not validated. A study entitled " Development and validation of analytical methodology for the determination of total pyrethrins in water, acetone, and fish tissue," was submitted to the Agency and sent to the EPA Laboratory for a method validation.

MRID 42745501 Pyrethrins I appeared to dissipate rapidly with half lives of < 1 day under U. S. field conditions in bare plots of sandy loam soils in Porterville, CA, Pinehurst, GA, and Mason, MI. This is a cursory revision of the study. The following problems were observed:

C The limit of quantitation ( LOQ) was not low enough to detect low amounts of the chemicals that could be present after 40 minutes. Appendices 12 C No degradates were monitored.

Pyrenone Crop Spray was applied to each field at a rate equivalent to 0.49 lb a. i./ A pyrethrum and 4.6 lb a. i./ piperonyl butoxide. This rate is equivalent to 10X the maximum individual application rate, and equal to the maximum seasonal application rate. The test compound was applied at an exaggerated rate to allow for maximization of detections. The test compound was applied as a ground broadcast treatment. The land was prepared for the application by disking and compacting with a scraper. The applications were made around 11: 00 AM in CA and GA, and at about 5: 40 PM in MI. Petri plate soil samples were taken at 0 DAT from the non treated plot, and at 5, 10, 20, and 40 minutes after the application to one of the subplots. Soil core samples were collected at several increments from the treated plots.

In all three plots, residues of pyrethrins I were observed above the limit of quantitation ( 0.1 ppm) in the petri plate soil samples; however, no residues of pyrethrins I above the LOQ were detectable in any of the 0  6" soil core samples by 1 DAT. Appendices 13 164 1 Aquatic Field Dissipation ( MRID 43818501, Waived)

Waiver Request EFED concured with a waiver request for the Aquatic Field Dissipation Study ( § 164 1). EFED believes that the submission of a new study will not add important additional information to the environmental fate database.

The Pyrethroid Joint Venture ( PJV) proposed to remove from the labels of pyrethrin all uses involving direct application to water. In a previous waiver request ( DP Barcode D227214), the EFED concurred with the waiver, with the exception that it requested the registrant to withdraw all aerial applications. The EFED notes, however, that pyrethrins are used in mosquito abatement settings.

In a submission, the registrant argued that:

C The aquatic field dissipation study is not required because the chemical is not used in aquatic sites. ( The EFED notes that the chemical is used for mosquito control).

C The chemical has been safely used, with no incidents in 50 years ( refer to section about incident reports).

C There is low drift ( per a State of California study). [ For mosquito abatement, the level of drift could be much higher.]

C Pyrethrin is highly labile.

C The registrant conducted preliminary calculations of RQs, using PRZM/ EXAMS, and found no exceedances of the acute and chronic levels of concerns. [ These results do not necessarily coincide with those obtained by the EFED.]

MRID 43818501 This study is scientifically sound. However, it does not fulfill the goals of the 164 2 Aquatic Field Dissipation study, which is to identify the routes and pathways of pyrethrin dissipation in the field.

C The study only reports that pyrethrin dissipated from the study site, without providing any information about whether degradation, transport or both played any role in that dissipation or where the applied material was distributed at the end of the study.

C Also, recoveries were poor; the highest recovered concentration of pyrethrins in floodwater, 1 hour after application, was 0.0130 ppm, no more than 5% of the target concentration. This means that 95% of the applied pyrethrins were completely unaccounted for. Appendices 14 165 4 Bioaccumulation in Fish ( MRID 43302301, 43884102, Acceptable)

[ 14C] pyrethrin 1 residues accumulated in bluegill sunfish continuously exposed to cyclopropanelabeled [ 14C] pyrethrin 1, at a mean concentration of 74.2 + 14.5 ppt, for 28 days under flowthrough aquarium conditions. Total [ 14C] residues were highest in the nonedible tissues. Mean bioconcentration factors were 127x for the edible tissue, 873x for the nonedible tissue, and 471x for the whole fish ( original LSC analysis). Maximum mean concentrations of total [ 14C] residues were 11.8 ppb for edible tissues ( day 10), 93.6 ppb for nonedible tissues ( day 3), and 48.8 ppb for whole fish ( day 3). The only metabolite in the fish tissues or the aquarium water was chrysanthemic acid In the edible fish tissues, total radioactivity residue at 28 days posttreatment was 7.2 ppb; reported reverse phase HPLC recovery totaled 109.1% of this quantity. Of the extracted radioactivity, pyrethrin 1 was 56.4%, chrysanthemic acid was 29.5%, and three Unknowns totaled 23.2%.

In the nonedible fish tissues, total radioactivity at 28 days posttreatment was 196 ppb; reported reverse phase HPLC recovery totaled 74.3% of this quantity. Of the extracted radioactivity, pyrethrin 1 was 19.6%, chrysanthemic acid was 32.9%, and five Unknowns totaled 21.8%.

Depuration was rapid; by day 1, 77% of the accumulated [ 14C] residues were eliminated from the edible tissues, 66% from the nonedible tissues, and 68% from the whole fish. By day 14, residues in edible tissues were below the detection limit ( apparently 1 ppb) and were close to the detection limit ( average = 1.29 ppb) in viscera.

[ 14C] Residues in the water were 49.5  107.0 ppt during the study period ( Table I). Based on HPLC analyses of extracts from water sampled on day 21 of the exposure period, pyrethrins 1 was present at 54% of the total radioactivity ( Figure 6). The major metabolite, chrysanmtheimc acid, represented 44% of the total radioactivity at day 21. Unextracted [ 14C] residues were < 5% in edible tissue and < 0.8% in viscera.

Throughout the study, the temperature of the treated water was 17 C, the pH ranged from 6.9 to 8.1, and the dissolved oxygen content average from 7.7 + 0.7 mg/ L; values were identical for the control water ( Table V). No abnormal behavior was observed in the test fish and only one of the original 400 fish died during the study.

At the termination of the exposure period, [ 14] C pyrethrin 1 was > 97% pure by radiodetection and > 98% pure by UV detection when exposed to white light at ambient temperatures for 21 days in hexane: ethyl acetate ( 19: 1, v: v), 17 days in corn oil, 35 days in acetone and 35 days in DMF. Appendices 15 APPENDIX B. Aquatic Exposure Assessment, Input Variables for PRZM/ EXAMS for Runs Performed on Agricultural Crops.

Table B 1. Input variables and parameter values for PRZM/ EXAMS.

Input Variable Parameter Value Source Molecular weight Pyrethrin 1: 328.4 g/ mol Water solubility ( 20 ° C) 2.0 ppm Maximum solubility, Tomlin, C. D. S., Pesticide manual ( TOXNET)

10x available value as per EFED Model Input Guidance, Version II ( 2002)

Vapor pressure Pyrethrin 1: 2.03 x 10 5 mm Hg Tomlin, C. D. S., Pesticide manual ( TOXNET)

Henry's Law constant Pyrethrin 1: 7.7 x 10 7 atm m3/ mol Estimated value from EPISUITE Hydrolysis t ½ , pH 7 ( 25 ° C) pH 5: stable pH 7: stable pH 9: 17 days MRID 43567502 Spray drift fraction 0.05 EFED Model Input Guidance, Version II ( 2002)

Application efficiency 0.95 EFED Model Input Guidance, Version II ( 2002)

Aerobic soil metabolism t ½ ( 3 times available value) 28.5 days MRID 43499803 Aerobic aquatic metabolism t ½ ( 3 times available value) 31.5 days MRID 43499802 Anaerobic aquatic metabolism t ½ 86 days MRID 43499801 Direct aqueous photolysis t ½ 0.5 day MRID 43567601 Koc 35,170 Average KOC, MRID 43096603, EFED Model Input Guidance, Version II ( 2002)

PLDKRT ( foliage pesticide half life) 0 days EFED Model Input Guidance, Version II ( 2002)

FEXTRC ( foliar extraction) 0.5 EFED Model Input Guidance, Version II ( 2002)

FILTRA ( filtration parameter; required if CAM set to 3) NA   Table B 1. Input variables and parameter values for PRZM/ EXAMS.

Input Variable Parameter Value Source Appendices 16 PLVKRT ( pesticide decay rate on plant foliage) 0/ day EFED Model Input Guidance, Version II ( 2002)

IPSCND ( condition for disposition of foliar pesticide after harvest) 3 PRZM Version 3.0 User's Manual ( Carsel 1998)

CAM ( chemical application method) 2 PRZM Version 3.0 User's Manual ( Carsel 1998)

UPTKF ( plant uptake factor) 0 EFED Model Input Guidance, Version II ( 2002)

DAIR ( diffusion coefficient for pesticide in the air) 0 PRZM Version 3.0 User's Manual ( Carsel 1998)

ENPY ( enthalpy of vaporization of pesticide) Not reported

Benthic layer 5 cm EXAMS Default CROP MANAGEMENT Standard scenarios ID potato, ME potato, CA onion, OR soybeans, PA tomato, FL citrus, NC apple, GA peaches, ND wheat, IL corn, MN alfalfa, CA grapes, MS cotton Application rate ( kg a. i./ ha/ application) All scenarios: 0.056 For Typical Application Rate: ID potato 0.0224 PA tomato 0.0067 CA onion 0.0146 OR snap beans 0.0235 Product label  Data for Typical Application provided by BEAD. No data were available on snap beans; therefore, succulent beans were used as surrugate. Various sources of information were utilized.

Number of applications All scenarios: 10 For the previous Typical scenarios: 1, 2, 2, and 5, respectively Product label Interval between applications ( days) a All scenarios: 1 For the Typical scenarios and selected scenarios: 3 Product label Date of first application All scenarios: 1 June Application type and depth of incorporationa ( cm) Aerial Appendices 17 In addition, three special runs were performed with an interval between application of 3 days ( vs. 1 day which is the worst case scenario), and four special runs with spray drift set at 0%. The crops run with 3 days interval were IL corn, ID potato, and CA onion. The crops run with 0% drift were ID potato, FL citrus, GA peaches, and CA grapes. The later ones were done to compare the effect of spray drift ( vs. runoff) in those situations where the peak values was relatively small.

Output Files from PRZM/ EXAMS:

IL Corn:

stored as Pyret crn. out Chemical: Pyrethrins PRZM environment: ILCornC. txt modified Satday, 12 October 2002 at 17: 01: 38 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14923. dvf modified Wedday, 3 July 2002 at 09: 04: 40 Water segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 1.376 0.6527 0.2146 0.1804 0.1578 0.06703 1962 1.57 0.8107 0.2996 0.1862 0.1661 0.09633 1963 1.261 0.8026 0.3171 0.2005 0.1811 0.1051 1964 1.248 0.7367 0.3579 0.2353 0.2029 0.1102 1965 0.7612 0.4087 0.215 0.1661 0.1686 0.103 1966 1.663 1.036 0.4829 0.3276 0.2762 0.1395 1967 3.301 1.722 0.6244 0.3795 0.3214 0.1668 1968 0.6065 0.3503 0.2243 0.2049 0.1793 0.1195 1969 2.468 1.306 0.5085 0.3683 0.3091 0.1497 1970 1.006 0.5167 0.2616 0.2097 0.1892 0.1224 1971 1.989 1.053 0.4009 0.2443 0.2166 0.1218 1972 2.778 1.362 0.633 0.3841 0.3244 0.1595 1973 2.922 1.415 0.539 0.3368 0.2829 0.153 1974 1.787 1.064 0.6 0.369 0.3087 0.1586 1975 0.7685 0.4078 0.2817 0.2024 0.1732 0.1131 1976 0.7833 0.3963 0.2086 0.1555 0.1334 0.08034 1977 1.763 0.8546 0.3612 0.2425 0.2129 0.1082 1978 0.555 0.3301 0.1981 0.1553 0.1319 0.08633 1979 0.9751 0.6015 0.311 0.2084 0.1841 0.09517 1980 1.102 0.5571 0.3095 0.191 0.1735 0.09848 1981 0.9772 0.5105 0.2913 0.2189 0.2002 0.1102 1982 2.324 1.127 0.4393 0.3298 0.281 0.1447 1983 2.356 1.184 0.4365 0.2739 0.2316 0.1308 1984 2.657 1.319 0.4873 0.2992 0.2489 0.1276 1985 0.3961 0.3268 0.1998 0.1234 0.1089 0.07736 1986 1.51 0.7398 0.3858 0.2575 0.2215 0.1078 1987 0.5136 0.3239 0.199 0.132 0.1314 0.09179 1988 0.396 0.3145 0.1839 0.1028 0.09631 0.06707 Appendices 18 1989 2.11 1.014 0.4201 0.2616 0.2194 0.1061 1990 2.319 1.424 0.5777 0.374 0.315 0.1539 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 3.301 1.722 0.633 0.3841 0.3244 0.1668 0.0645161290322581 2.922 1.424 0.6244 0.3795 0.3214 0.1595 0.0967741935483871 2.778 1.415 0.6 0.374 0.315 0.1586 0.129032258064516 2.657 1.362 0.5777 0.369 0.3091 0.1539 0.161290322580645 2.468 1.319 0.539 0.3683 0.3087 0.153 0.193548387096774 2.356 1.306 0.5085 0.3368 0.2829 0.1497 0.225806451612903 2.324 1.184 0.4873 0.3298 0.281 0.1447 0.258064516129032 2.319 1.127 0.4829 0.3276 0.2762 0.1395 0.290322580645161 2.11 1.064 0.4393 0.2992 0.2489 0.1308 0.32258064516129 1.989 1.053 0.4365 0.2739 0.2316 0.1276 0.354838709677419 1.787 1.036 0.4201 0.2616 0.2215 0.1224 0.387096774193548 1.763 1.014 0.4009 0.2575 0.2194 0.1218 0.419354838709677 1.663 0.8546 0.3858 0.2443 0.2166 0.1195 0.451612903225806 1.57 0.8107 0.3612 0.2425 0.2129 0.1131 0.483870967741936 1.51 0.8026 0.3579 0.2353 0.2029 0.1102 0.516129032258065 1.376 0.7398 0.3171 0.2189 0.2002 0.1102 0.548387096774194 1.261 0.7367 0.311 0.2097 0.1892 0.1082 0.580645161290323 1.248 0.6527 0.3095 0.2084 0.1841 0.1078 0.612903225806452 1.102 0.6015 0.2996 0.2049 0.1811 0.1061 0.645161290322581 1.006 0.5571 0.2913 0.2024 0.1793 0.1051 0.67741935483871 0.9772 0.5167 0.2817 0.2005 0.1735 0.103 0.709677419354839 0.9751 0.5105 0.2616 0.191 0.1732 0.09848 0.741935483870968 0.7833 0.4087 0.2243 0.1862 0.1686 0.09633 0.774193548387097 0.7685 0.4078 0.215 0.1804 0.1661 0.09517 0.806451612903226 0.7612 0.3963 0.2146 0.1661 0.1578 0.09179 0.838709677419355 0.6065 0.3503 0.2086 0.1555 0.1334 0.08633 0.870967741935484 0.555 0.3301 0.1998 0.1553 0.1319 0.08034 0.903225806451613 0.5136 0.3268 0.199 0.132 0.1314 0.07736 0.935483870967742 0.3961 0.3239 0.1981 0.1234 0.1089 0.06707 0.967741935483871 0.396 0.3145 0.1839 0.1028 0.09631 0.06703 0.1 2.7659 1.4097 0.59777 0.3735 0.31441 0.15813 Average of yearly averages: 0.115713333333333 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret crn Metfile: w14923. dvf PRZM scenario: ILCornC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Appendices 19 Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

stored as Pyret crnben. out Chemical: Pyrethrins PRZM environment: ILCornC. txt modified Satday, 12 October 2002 at 17: 01: 38 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14923. dvf modified Wedday, 3 July 2002 at 09: 04: 40 Benthic segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.09977 0.09938 0.09616 0.0867 0.08211 0.03755 1962 0.1157 0.1154 0.1113 0.09944 0.0926 0.06248 1963 0.1271 0.1267 0.1216 0.1095 0.1017 0.06821 1964 0.1221 0.1218 0.1173 0.1124 0.1064 0.07196 1965 0.1058 0.1054 0.102 0.09386 0.09033 0.06744 1966 0.1635 0.163 0.1551 0.1527 0.1445 0.08989 1967 0.2 0.1995 0.1962 0.1829 0.1726 0.1097 1968 0.1136 0.1133 0.1084 0.1024 0.09692 0.0823 Appendices 20 1969 0.1862 0.1857 0.1825 0.1699 0.1609 0.09568 1970 0.1158 0.1155 0.1124 0.1062 0.1005 0.08258 1971 0.1525 0.1521 0.148 0.1327 0.122 0.07934 1972 0.2163 0.2158 0.2086 0.1886 0.1735 0.1031 1973 0.198 0.1974 0.191 0.1694 0.1543 0.1014 1974 0.2149 0.2144 0.2055 0.1786 0.1646 0.1039 1975 0.1063 0.106 0.1026 0.09893 0.09374 0.07734 1976 0.08383 0.08353 0.08011 0.07149 0.06772 0.05324 1977 0.1329 0.1324 0.1301 0.1212 0.1132 0.06806 1978 0.08274 0.0825 0.07963 0.07358 0.06971 0.05861 1979 0.1051 0.1047 0.1006 0.09439 0.09275 0.06057 1980 0.1026 0.1024 0.09945 0.09091 0.08863 0.06436 1981 0.1242 0.1238 0.1191 0.1127 0.1071 0.07139 1982 0.1803 0.1796 0.1748 0.161 0.1515 0.09395 1983 0.1714 0.1708 0.1619 0.1386 0.1242 0.08649 1984 0.1609 0.1604 0.1542 0.1422 0.1319 0.08323 1985 0.07063 0.07035 0.0692 0.06665 0.06462 0.05311 1986 0.1491 0.1485 0.1414 0.1262 0.117 0.06707 1987 0.08365 0.08344 0.08093 0.07503 0.07151 0.06125 1988 0.05636 0.05618 0.05421 0.05222 0.05069 0.04474 1989 0.1318 0.1315 0.1267 0.1202 0.1131 0.06621 1990 0.21 0.2093 0.2045 0.1852 0.1698 0.09908 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 0.2163 0.2158 0.2086 0.1886 0.1735 0.1097 0.0645161290322581 0.2149 0.2144 0.2055 0.1852 0.1726 0.1039 0.0967741935483871 0.21 0.2093 0.2045 0.1829 0.1698 0.1031 0.129032258064516 0.2 0.1995 0.1962 0.1786 0.1646 0.1014 0.161290322580645 0.198 0.1974 0.191 0.1699 0.1609 0.09908 0.193548387096774 0.1862 0.1857 0.1825 0.1694 0.1543 0.09568 0.225806451612903 0.1803 0.1796 0.1748 0.161 0.1515 0.09395 0.258064516129032 0.1714 0.1708 0.1619 0.1527 0.1445 0.08989 0.290322580645161 0.1635 0.163 0.1551 0.1422 0.1319 0.08649 0.32258064516129 0.1609 0.1604 0.1542 0.1386 0.1242 0.08323 0.354838709677419 0.1525 0.1521 0.148 0.1327 0.122 0.08258 0.387096774193548 0.1491 0.1485 0.1414 0.1262 0.117 0.0823 0.419354838709677 0.1329 0.1324 0.1301 0.1212 0.1132 0.07934 0.451612903225806 0.1318 0.1315 0.1267 0.1202 0.1131 0.07734 0.483870967741936 0.1271 0.1267 0.1216 0.1127 0.1071 0.07196 0.516129032258065 0.1242 0.1238 0.1191 0.1124 0.1064 0.07139 0.548387096774194 0.1221 0.1218 0.1173 0.1095 0.1017 0.06821 0.580645161290323 0.1158 0.1155 0.1124 0.1062 0.1005 0.06806 0.612903225806452 0.1157 0.1154 0.1113 0.1024 0.09692 0.06744 0.645161290322581 0.1136 0.1133 0.1084 0.09944 0.09374 0.06707 0.67741935483871 0.1063 0.106 0.1026 0.09893 0.09275 0.06621 0.709677419354839 0.1058 0.1054 0.102 0.09439 0.0926 0.06436 0.741935483870968 0.1051 0.1047 0.1006 0.09386 0.09033 0.06248 0.774193548387097 0.1026 0.1024 0.09945 0.09091 0.08863 0.06125 0.806451612903226 0.09977 0.09938 0.09616 0.0867 0.08211 0.06057 0.838709677419355 0.08383 0.08353 0.08093 0.07503 0.07151 0.05861 Appendices 21 0.870967741935484 0.08365 0.08344 0.08011 0.07358 0.06971 0.05324 0.903225806451613 0.08274 0.0825 0.07963 0.07149 0.06772 0.05311 0.935483870967742 0.07063 0.07035 0.0692 0.06665 0.06462 0.04474 0.967741935483871 0.05636 0.05618 0.05421 0.05222 0.05069 0.03755 0.1 0.209 0.20832 0.20367 0.18247 0.16928 0.10293 Average of yearly averages: 0.0754743333333334 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret crn Metfile: w14923. dvf PRZM scenario: ILCornC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Appendices 22 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

IL corn with applications at 3 days intervals:

stored as Pyret crn. out Chemical: Pyrethrins PRZM environment: ILCornC. txt modified Satday, 12 October 2002 at 17: 01: 38 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14923. dvf modified Wedday, 3 July 2002 at 09: 04: 40 Water segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 1.812 0.8545 0.2776 0.2291 0.1949 0.08106 1962 2.04 1.047 0.382 0.2322 0.1969 0.1174 1963 1.584 1.005 0.3918 0.246 0.2103 0.1258 1964 0.7458 0.483 0.2707 0.2109 0.1876 0.114 1965 0.9378 0.4963 0.2357 0.1958 0.1809 0.1117 1966 1.509 0.7572 0.3105 0.2885 0.2509 0.14 1967 1.499 0.7713 0.3916 0.2842 0.2554 0.1499 1968 0.7602 0.4104 0.2572 0.2105 0.1869 0.1219 1969 1.228 0.7575 0.4475 0.3435 0.2935 0.1506 1970 1.358 0.6771 0.314 0.2201 0.2018 0.1335 1971 2.454 1.294 0.4856 0.2913 0.2489 0.1408 1972 1.638 0.8522 0.4296 0.3144 0.2764 0.153 1973 2.058 1.025 0.4311 0.2653 0.2278 0.1349 1974 2.178 1.169 0.4935 0.3103 0.2643 0.1391 1975 0.7667 0.4056 0.2365 0.1849 0.1626 0.108 1976 1.021 0.5057 0.2177 0.1595 0.14 0.0862 1977 2.427 1.159 0.4704 0.2923 0.249 0.1269 1978 0.6892 0.4041 0.2187 0.1674 0.1448 0.1006 1979 1.085 0.5496 0.2302 0.1885 0.1787 0.1017 1980 0.6663 0.3875 0.2312 0.1647 0.1627 0.1024 1981 1.39 0.6981 0.3651 0.2523 0.2215 0.1234 1982 2.11 1.048 0.4525 0.3357 0.2859 0.1552 1983 2.951 1.471 0.5289 0.3099 0.2603 0.1476 1984 0.8725 0.4919 0.2709 0.2128 0.1834 0.1116 1985 0.2625 0.1744 0.1532 0.1145 0.1049 0.07375 1986 2.091 1.002 0.5021 0.2966 0.2518 0.123 1987 0.622 0.3219 0.2388 0.1575 0.1452 0.1066 1988 0.4961 0.2532 0.1502 0.1059 0.1039 0.07718 1989 0.9979 0.5087 0.2456 0.1974 0.1804 0.09957 1990 1.651 1.061 0.5599 0.3427 0.2945 0.1491 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 2.951 1.471 0.5599 0.3435 0.2945 0.1552 0.0645161290322581 2.454 1.294 0.5289 0.3427 0.2935 0.153 0.0967741935483871 2.427 1.169 0.5021 0.3357 0.2859 0.1506 Appendices 23 0.129032258064516 2.178 1.159 0.4935 0.3144 0.2764 0.1499 0.161290322580645 2.11 1.061 0.4856 0.3103 0.2643 0.1491 0.193548387096774 2.091 1.048 0.4704 0.3099 0.2603 0.1476 0.225806451612903 2.058 1.047 0.4525 0.2966 0.2554 0.1408 0.258064516129032 2.04 1.025 0.4475 0.2923 0.2518 0.14 0.290322580645161 1.812 1.005 0.4311 0.2913 0.2509 0.1391 0.32258064516129 1.651 1.002 0.4296 0.2885 0.249 0.1349 0.354838709677419 1.638 0.8545 0.3918 0.2842 0.2489 0.1335 0.387096774193548 1.584 0.8522 0.3916 0.2653 0.2278 0.1269 0.419354838709677 1.509 0.7713 0.382 0.2523 0.2215 0.1258 0.451612903225806 1.499 0.7575 0.3651 0.246 0.2103 0.1234 0.483870967741936 1.39 0.7572 0.314 0.2322 0.2018 0.123 0.516129032258065 1.358 0.6981 0.3105 0.2291 0.1969 0.1219 0.548387096774194 1.228 0.6771 0.2776 0.2201 0.1949 0.1174 0.580645161290323 1.085 0.5496 0.2709 0.2128 0.1876 0.114 0.612903225806452 1.021 0.5087 0.2707 0.2109 0.1869 0.1117 0.645161290322581 0.9979 0.5057 0.2572 0.2105 0.1834 0.1116 0.67741935483871 0.9378 0.4963 0.2456 0.1974 0.1809 0.108 0.709677419354839 0.8725 0.4919 0.2388 0.1958 0.1804 0.1066 0.741935483870968 0.7667 0.483 0.2365 0.1885 0.1787 0.1024 0.774193548387097 0.7602 0.4104 0.2357 0.1849 0.1627 0.1017 0.806451612903226 0.7458 0.4056 0.2312 0.1674 0.1626 0.1006 0.838709677419355 0.6892 0.4041 0.2302 0.1647 0.1452 0.09957 0.870967741935484 0.6663 0.3875 0.2187 0.1595 0.1448 0.0862 0.903225806451613 0.622 0.3219 0.2177 0.1575 0.14 0.08106 0.935483870967742 0.4961 0.2532 0.1532 0.1145 0.1049 0.07718 0.967741935483871 0.2625 0.1744 0.1502 0.1059 0.1039 0.07375 0.1 2.4021 1.168 0.50124 0.33357 0.28495 0.15053 Average of yearly averages: 0.120215333333333 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret crn Metfile: w14923. dvf PRZM scenario: ILCornC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Appendices 24 Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 3 days Set to 0 or delete line for single app. Interval 2 interval 3 days Set to 0 or delete line for single app. Interval 3 interval 3 days Set to 0 or delete line for single app. Interval 4 interval 3 days Set to 0 or delete line for single app. Interval 5 interval 3 days Set to 0 or delete line for single app. Interval 6 interval 3 days Set to 0 or delete line for single app. Interval 7 interval 3 days Set to 0 or delete line for single app. Interval 8 interval 3 days Set to 0 or delete line for single app. Interval 9 interval 3 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

stored as Pyret crnben. out Chemical: Pyrethrins PRZM environment: ILCornC. txt modified Satday, 12 October 2002 at 17: 01: 38 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14923. dvf modified Wedday, 3 July 2002 at 09: 04: 40 Benthic segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.1245 0.1241 0.12 0.1082 0.102 0.04579 1962 0.1439 0.1435 0.1384 0.1238 0.1153 0.07675 1963 0.1541 0.1536 0.1475 0.1329 0.1235 0.08244 1964 0.1103 0.1099 0.1067 0.1026 0.09936 0.07583 1965 0.1203 0.1199 0.1159 0.107 0.102 0.07291 1966 0.1604 0.1599 0.1537 0.1434 0.1356 0.09116 1967 0.1489 0.1486 0.1453 0.1397 0.1361 0.09986 1968 0.1236 0.1232 0.118 0.1097 0.1034 0.08284 1969 0.1937 0.1931 0.1867 0.1686 0.1569 0.09664 1970 0.1315 0.1311 0.1262 0.1204 0.1147 0.08973 1971 0.1797 0.1793 0.1744 0.1564 0.1439 0.09209 1972 0.1618 0.1614 0.1545 0.1521 0.1472 0.1006 1973 0.15 0.1495 0.1475 0.1345 0.1251 0.09033 1974 0.1834 0.183 0.1758 0.1545 0.1426 0.09083 1975 0.1026 0.1022 0.09783 0.09068 0.08779 0.07305 1976 0.09438 0.09411 0.09015 0.08058 0.07477 0.05697 Appendices 25 1977 0.1599 0.1595 0.1565 0.1462 0.137 0.07989 1978 0.09572 0.0954 0.09146 0.08429 0.07875 0.06914 1979 0.1082 0.1079 0.1038 0.101 0.09697 0.06526 1980 0.09566 0.09538 0.09187 0.08538 0.08386 0.06766 1981 0.1378 0.1375 0.1319 0.1276 0.1225 0.07983 1982 0.1912 0.1907 0.1869 0.1695 0.1564 0.1016 1983 0.1984 0.1977 0.1874 0.1604 0.1438 0.09756 1984 0.1124 0.1121 0.107 0.1008 0.09679 0.07482 1985 0.06149 0.06125 0.06025 0.05803 0.05627 0.04962 1986 0.1773 0.1767 0.1683 0.1496 0.1389 0.07641 1987 0.09905 0.09881 0.09581 0.08879 0.08464 0.07176 1988 0.06555 0.06529 0.06422 0.06186 0.06005 0.052 1989 0.1067 0.1061 0.103 0.096 0.09467 0.06291 1990 0.1929 0.1923 0.1866 0.1678 0.1578 0.09615 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 0.1984 0.1977 0.1874 0.1695 0.1578 0.1016 0.0645161290322581 0.1937 0.1931 0.1869 0.1686 0.1569 0.1006 0.0967741935483871 0.1929 0.1923 0.1867 0.1678 0.1564 0.09986 0.129032258064516 0.1912 0.1907 0.1866 0.1604 0.1472 0.09756 0.161290322580645 0.1834 0.183 0.1758 0.1564 0.1439 0.09664 0.193548387096774 0.1797 0.1793 0.1744 0.1545 0.1438 0.09615 0.225806451612903 0.1773 0.1767 0.1683 0.1521 0.1426 0.09209 0.258064516129032 0.1618 0.1614 0.1565 0.1496 0.1389 0.09116 0.290322580645161 0.1604 0.1599 0.1545 0.1462 0.137 0.09083 0.32258064516129 0.1599 0.1595 0.1537 0.1434 0.1361 0.09033 0.354838709677419 0.1541 0.1536 0.1475 0.1397 0.1356 0.08973 0.387096774193548 0.15 0.1495 0.1475 0.1345 0.1251 0.08284 0.419354838709677 0.1489 0.1486 0.1453 0.1329 0.1235 0.08244 0.451612903225806 0.1439 0.1435 0.1384 0.1276 0.1225 0.07989 0.483870967741936 0.1378 0.1375 0.1319 0.1238 0.1153 0.07983 0.516129032258065 0.1315 0.1311 0.1262 0.1204 0.1147 0.07675 0.548387096774194 0.1245 0.1241 0.12 0.1097 0.1034 0.07641 0.580645161290323 0.1236 0.1232 0.118 0.1082 0.102 0.07583 0.612903225806452 0.1203 0.1199 0.1159 0.107 0.102 0.07482 0.645161290322581 0.1124 0.1121 0.107 0.1026 0.09936 0.07305 0.67741935483871 0.1103 0.1099 0.1067 0.101 0.09697 0.07291 0.709677419354839 0.1082 0.1079 0.1038 0.1008 0.09679 0.07176 0.741935483870968 0.1067 0.1061 0.103 0.096 0.09467 0.06914 0.774193548387097 0.1026 0.1022 0.09783 0.09068 0.08779 0.06766 0.806451612903226 0.09905 0.09881 0.09581 0.08879 0.08464 0.06526 0.838709677419355 0.09572 0.0954 0.09187 0.08538 0.08386 0.06291 0.870967741935484 0.09566 0.09538 0.09146 0.08429 0.07875 0.05697 0.903225806451613 0.09438 0.09411 0.09015 0.08058 0.07477 0.052 0.935483870967742 0.06555 0.06529 0.06422 0.06186 0.06005 0.04962 0.967741935483871 0.06149 0.06125 0.06025 0.05803 0.05627 0.04579 0.1 0.19273 0.19214 0.18669 0.16706 0.15548 0.09963 Average of yearly averages: 0.0787476666666667 Appendices 26 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret crn Metfile: w14923. dvf PRZM scenario: ILCornC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 3 days Set to 0 or delete line for single app. Interval 2 interval 3 days Set to 0 or delete line for single app. Interval 3 interval 3 days Set to 0 or delete line for single app. Interval 4 interval 3 days Set to 0 or delete line for single app. Interval 5 interval 3 days Set to 0 or delete line for single app. Interval 6 interval 3 days Set to 0 or delete line for single app. Interval 7 interval 3 days Set to 0 or delete line for single app. Interval 8 interval 3 days Set to 0 or delete line for single app. Interval 9 interval 3 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

ME potato:

stored as Pyret pot. out Chemical: Pyrethrins Appendices 27 PRZM environment: MEpotatoC. txt modified Satday, 12 October 2002 at 17: 03: 32 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14607. dvf modified Wedday, 3 July 2002 at 09: 05: 36 Water segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.4349 0.2806 0.1502 0.1025 0.09461 0.04459 1962 1.051 0.5491 0.3232 0.2071 0.181 0.1033 1963 0.4651 0.3465 0.2155 0.1667 0.1583 0.1115 1964 1.019 0.5204 0.2127 0.1764 0.1554 0.104 1965 0.4055 0.336 0.2039 0.1311 0.1173 0.08489 1966 0.8735 0.5545 0.2523 0.1493 0.1254 0.07568 1967 1.135 0.5624 0.213 0.1581 0.1426 0.08807 1968 0.746 0.4654 0.2281 0.1642 0.1517 0.09809 1969 0.6024 0.3343 0.249 0.1635 0.1607 0.1052 1970 0.9187 0.5848 0.2786 0.1887 0.163 0.107 1971 0.4052 0.3356 0.2038 0.132 0.1142 0.081 1972 0.8341 0.5365 0.3289 0.2268 0.2014 0.1104 1973 1.348 0.835 0.3631 0.2398 0.2127 0.1315 1974 0.4214 0.3519 0.2477 0.1621 0.1484 0.1059 1975 0.6031 0.3685 0.261 0.1744 0.1522 0.09438 1976 1.424 0.7021 0.3395 0.2809 0.2505 0.1374 1977 1.353 0.8298 0.4768 0.3003 0.278 0.1677 1978 1.349 0.706 0.3337 0.2581 0.2303 0.1538 1979 0.4568 0.3586 0.2532 0.1717 0.1572 0.1178 1980 0.6051 0.3392 0.2142 0.1788 0.1588 0.1039 1981 0.5507 0.3662 0.2352 0.1853 0.185 0.1156 1982 0.9209 0.478 0.232 0.1823 0.1697 0.1166 1983 1.236 0.6279 0.2656 0.1986 0.1874 0.1212 1984 1.113 0.6828 0.3898 0.2931 0.2553 0.1471 1985 0.4726 0.3645 0.2312 0.1824 0.1621 0.1157 1986 0.6281 0.3663 0.2118 0.1433 0.1437 0.09874 1987 0.6645 0.3565 0.2092 0.1704 0.1484 0.09767 1988 0.3995 0.3298 0.1976 0.1286 0.1261 0.08531 1989 0.6099 0.3749 0.2197 0.1372 0.1398 0.08961 1990 2.167 1.06 0.4077 0.2845 0.2475 0.1353 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 2.167 1.06 0.4768 0.3003 0.278 0.1677 0.0645161290322581 1.424 0.835 0.4077 0.2931 0.2553 0.1538 0.0967741935483871 1.353 0.8298 0.3898 0.2845 0.2505 0.1471 0.129032258064516 1.349 0.706 0.3631 0.2809 0.2475 0.1374 0.161290322580645 1.348 0.7021 0.3395 0.2581 0.2303 0.1353 0.193548387096774 1.236 0.6828 0.3337 0.2398 0.2127 0.1315 0.225806451612903 1.135 0.6279 0.3289 0.2268 0.2014 0.1212 0.258064516129032 1.113 0.5848 0.3232 0.2071 0.1874 0.1178 0.290322580645161 1.051 0.5624 0.2786 0.1986 0.185 0.1166 0.32258064516129 1.019 0.5545 0.2656 0.1887 0.181 0.1157 0.354838709677419 0.9209 0.5491 0.261 0.1853 0.1697 0.1156 0.387096774193548 0.9187 0.5365 0.2532 0.1824 0.163 0.1115 Appendices 28 0.419354838709677 0.8735 0.5204 0.2523 0.1823 0.1621 0.1104 0.451612903225806 0.8341 0.478 0.249 0.1788 0.1607 0.107 0.483870967741936 0.746 0.4654 0.2477 0.1764 0.1588 0.1059 0.516129032258065 0.6645 0.3749 0.2352 0.1744 0.1583 0.1052 0.548387096774194 0.6281 0.3685 0.232 0.1717 0.1572 0.104 0.580645161290323 0.6099 0.3663 0.2312 0.1704 0.1554 0.1039 0.612903225806452 0.6051 0.3662 0.2281 0.1667 0.1522 0.1033 0.645161290322581 0.6031 0.3645 0.2197 0.1642 0.1517 0.09874 0.67741935483871 0.6024 0.3586 0.2155 0.1635 0.1484 0.09809 0.709677419354839 0.5507 0.3565 0.2142 0.1621 0.1484 0.09767 0.741935483870968 0.4726 0.3519 0.213 0.1581 0.1437 0.09438 0.774193548387097 0.4651 0.3465 0.2127 0.1493 0.1426 0.08961 0.806451612903226 0.4568 0.3392 0.2118 0.1433 0.1398 0.08807 0.838709677419355 0.4349 0.336 0.2092 0.1372 0.1261 0.08531 0.870967741935484 0.4214 0.3356 0.2039 0.132 0.1254 0.08489 0.903225806451613 0.4055 0.3343 0.2038 0.1311 0.1173 0.081 0.935483870967742 0.4052 0.3298 0.1976 0.1286 0.1142 0.07568 0.967741935483871 0.3995 0.2806 0.1502 0.1025 0.09461 0.04459 0.1 1.3526 0.81742 0.38713 0.28414 0.2502 0.14613 Average of yearly averages: 0.108297666666667 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret pot Metfile: w14607. dvf PRZM scenario: MEpotatoC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Appendices 29 Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

stored as Pyret potben. out Chemical: Pyrethrins PRZM environment: MEpotatoC. txt modified Satday, 12 October 2002 at 17: 03: 32 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14607. dvf modified Wedday, 3 July 2002 at 09: 05: 36 Benthic segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.05566 0.05557 0.05441 0.05168 0.04979 0.02482 1962 0.1258 0.1255 0.1225 0.1142 0.1085 0.06669 1963 0.09517 0.09501 0.09399 0.09045 0.08986 0.07659 1964 0.1031 0.1029 0.09981 0.09268 0.08883 0.07115 1965 0.07023 0.07012 0.06823 0.06539 0.06453 0.05854 1966 0.07851 0.07836 0.07631 0.07118 0.06725 0.05079 1967 0.092 0.09178 0.08913 0.08394 0.08176 0.05744 1968 0.09983 0.09966 0.09747 0.09153 0.08684 0.06607 1969 0.1012 0.101 0.09828 0.09341 0.0905 0.07073 1970 0.09808 0.09787 0.09458 0.09184 0.08913 0.07258 1971 0.07074 0.07059 0.06883 0.06673 0.06386 0.05624 1972 0.1162 0.1159 0.1133 0.1071 0.1055 0.07158 1973 0.1507 0.1503 0.145 0.1317 0.1234 0.0888 1974 0.09447 0.09429 0.09156 0.08516 0.08299 0.07391 1975 0.08918 0.08898 0.08623 0.08394 0.082 0.06371 1976 0.1529 0.1526 0.151 0.1444 0.1385 0.08989 1977 0.1728 0.1726 0.1693 0.1591 0.155 0.1144 1978 0.1589 0.1585 0.1549 0.1423 0.1346 0.1063 1979 0.09656 0.09636 0.09396 0.09038 0.08894 0.08238 1980 0.1032 0.103 0.1003 0.09254 0.08873 0.07063 1981 0.1133 0.1131 0.1097 0.1043 0.1018 0.0772 1982 0.1087 0.1086 0.106 0.1025 0.09897 0.07985 1983 0.1231 0.1229 0.1206 0.1159 0.1104 0.08194 1984 0.1661 0.1658 0.1616 0.1541 0.1454 0.09888 1985 0.1057 0.1055 0.1031 0.09581 0.09269 0.08145 Appendices 30 1986 0.09115 0.091 0.08965 0.08698 0.08432 0.06683 1987 0.09116 0.09088 0.08854 0.08578 0.08219 0.06665 1988 0.07243 0.07227 0.07087 0.06892 0.06697 0.05787 1989 0.08779 0.08763 0.08521 0.07966 0.07634 0.05958 1990 0.1568 0.1565 0.1518 0.1454 0.1384 0.08868 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 0.1728 0.1726 0.1693 0.1591 0.155 0.1144 0.0645161290322581 0.1661 0.1658 0.1616 0.1541 0.1454 0.1063 0.0967741935483871 0.1589 0.1585 0.1549 0.1454 0.1385 0.09888 0.129032258064516 0.1568 0.1565 0.1518 0.1444 0.1384 0.08989 0.161290322580645 0.1529 0.1526 0.151 0.1423 0.1346 0.0888 0.193548387096774 0.1507 0.1503 0.145 0.1317 0.1234 0.08868 0.225806451612903 0.1258 0.1255 0.1225 0.1159 0.1104 0.08238 0.258064516129032 0.1231 0.1229 0.1206 0.1142 0.1085 0.08194 0.290322580645161 0.1162 0.1159 0.1133 0.1071 0.1055 0.08145 0.32258064516129 0.1133 0.1131 0.1097 0.1043 0.1018 0.07985 0.354838709677419 0.1087 0.1086 0.106 0.1025 0.09897 0.0772 0.387096774193548 0.1057 0.1055 0.1031 0.09581 0.09269 0.07659 0.419354838709677 0.1032 0.103 0.1003 0.09341 0.0905 0.07391 0.451612903225806 0.1031 0.1029 0.09981 0.09268 0.08986 0.07258 0.483870967741936 0.1012 0.101 0.09828 0.09254 0.08913 0.07158 0.516129032258065 0.09983 0.09966 0.09747 0.09184 0.08894 0.07115 0.548387096774194 0.09808 0.09787 0.09458 0.09153 0.08883 0.07073 0.580645161290323 0.09656 0.09636 0.09399 0.09045 0.08873 0.07063 0.612903225806452 0.09517 0.09501 0.09396 0.09038 0.08684 0.06683 0.645161290322581 0.09447 0.09429 0.09156 0.08698 0.08432 0.06669 0.67741935483871 0.092 0.09178 0.08965 0.08578 0.08299 0.06665 0.709677419354839 0.09116 0.091 0.08913 0.08516 0.08219 0.06607 0.741935483870968 0.09115 0.09088 0.08854 0.08394 0.082 0.06371 0.774193548387097 0.08918 0.08898 0.08623 0.08394 0.08176 0.05958 0.806451612903226 0.08779 0.08763 0.08521 0.07966 0.07634 0.05854 0.838709677419355 0.07851 0.07836 0.07631 0.07118 0.06725 0.05787 0.870967741935484 0.07243 0.07227 0.07087 0.06892 0.06697 0.05744 0.903225806451613 0.07074 0.07059 0.06883 0.06673 0.06453 0.05624 0.935483870967742 0.07023 0.07012 0.06823 0.06539 0.06386 0.05079 0.967741935483871 0.05566 0.05557 0.05441 0.05168 0.04979 0.02482 0.1 0.15869 0.1583 0.15459 0.1453 0.13849 0.097981 Average of yearly averages: 0.0730723333333333 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret pot Metfile: w14607. dvf PRZM scenario: MEpotatoC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Appendices 31 Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

MS Cotton:

stored as Pyret ctn. out Chemical: Pyrethrins PRZM environment: MScottonC. txt modified Wedday, 22 January 2003 at 11: 52: 38 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w03940. dvf modified Wedday, 3 July 2002 at 09: 05: 46 Water segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 2.009 0.9843 0.4147 0.2822 0.2355 0.08747 1962 0.3841 0.3079 0.1743 0.09195 0.07709 0.04924 1963 1.292 0.6234 0.2198 0.1671 0.1393 0.05761 Appendices 32 1964 0.7534 0.4144 0.2669 0.1765 0.1593 0.07418 1965 0.3658 0.2969 0.1665 0.0868 0.07077 0.04796 1966 0.4883 0.2873 0.1574 0.0794 0.08115 0.0422 1967 1.294 0.6293 0.2928 0.2047 0.1775 0.08033 1968 0.3708 0.3016 0.1717 0.09112 0.07612 0.04841 1969 0.3507 0.2815 0.1525 0.08009 0.07026 0.03308 1970 0.3568 0.2885 0.1655 0.09435 0.09092 0.04545 1971 0.4909 0.3571 0.1776 0.1113 0.09595 0.04893 1972 0.3543 0.2849 0.162 0.08131 0.06422 0.03122 1973 0.3472 0.2779 0.1486 0.07338 0.06118 0.0312 1974 0.9967 0.5853 0.2419 0.1234 0.1013 0.04596 1975 1.003 0.5445 0.2998 0.1987 0.1704 0.07444 1976 1.319 0.7532 0.2794 0.1863 0.1636 0.08243 1977 0.5407 0.3804 0.1933 0.1305 0.1093 0.06058 1978 0.3564 0.2871 0.1576 0.08893 0.07079 0.03636 1979 1.812 0.9602 0.3811 0.2919 0.2467 0.09975 1980 0.3752 0.3062 0.1764 0.1062 0.08521 0.05362 1981 1.837 0.8753 0.2816 0.1766 0.1458 0.06056 1982 2.52 1.199 0.4859 0.3224 0.2676 0.1111 1983 0.378 0.3088 0.1784 0.09673 0.08543 0.05525 1984 0.4176 0.2841 0.1693 0.113 0.09973 0.04631 1985 0.7315 0.3589 0.217 0.155 0.1441 0.06649 1986 0.4953 0.3574 0.1879 0.1271 0.1047 0.05399 1987 1.393 0.7624 0.3132 0.1808 0.1473 0.06172 1988 0.6665 0.3247 0.1587 0.1077 0.09776 0.05251 1989 1.914 1.047 0.4299 0.2524 0.2035 0.08497 1990 0.3629 0.2938 0.1644 0.08687 0.06798 0.04164 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 2.52 1.199 0.4859 0.3224 0.2676 0.1111 0.0645161290322581 2.009 1.047 0.4299 0.2919 0.2467 0.09975 0.0967741935483871 1.914 0.9843 0.4147 0.2822 0.2355 0.08747 0.129032258064516 1.837 0.9602 0.3811 0.2524 0.2035 0.08497 0.161290322580645 1.812 0.8753 0.3132 0.2047 0.1775 0.08243 0.193548387096774 1.393 0.7624 0.2998 0.1987 0.1704 0.08033 0.225806451612903 1.319 0.7532 0.2928 0.1863 0.1636 0.07444 0.258064516129032 1.294 0.6293 0.2816 0.1808 0.1593 0.07418 0.290322580645161 1.292 0.6234 0.2794 0.1766 0.1473 0.06649 0.32258064516129 1.003 0.5853 0.2669 0.1765 0.1458 0.06172 0.354838709677419 0.9967 0.5445 0.2419 0.1671 0.1441 0.06058 0.387096774193548 0.7534 0.4144 0.2198 0.155 0.1393 0.06056 0.419354838709677 0.7315 0.3804 0.217 0.1305 0.1093 0.05761 0.451612903225806 0.6665 0.3589 0.1933 0.1271 0.1047 0.05525 0.483870967741936 0.5407 0.3574 0.1879 0.1234 0.1013 0.05399 0.516129032258065 0.4953 0.3571 0.1784 0.113 0.09973 0.05362 0.548387096774194 0.4909 0.3247 0.1776 0.1113 0.09776 0.05251 0.580645161290323 0.4883 0.3088 0.1764 0.1077 0.09595 0.04924 0.612903225806452 0.4176 0.3079 0.1743 0.1062 0.09092 0.04893 0.645161290322581 0.3841 0.3062 0.1717 0.09673 0.08543 0.04841 0.67741935483871 0.378 0.3016 0.1693 0.09435 0.08521 0.04796 Appendices 33 0.709677419354839 0.3752 0.2969 0.1665 0.09195 0.08115 0.04631 0.741935483870968 0.3708 0.2938 0.1655 0.09112 0.07709 0.04596 0.774193548387097 0.3658 0.2885 0.1644 0.08893 0.07612 0.04545 0.806451612903226 0.3629 0.2873 0.162 0.08687 0.07079 0.0422 0.838709677419355 0.3568 0.2871 0.1587 0.0868 0.07077 0.04164 0.870967741935484 0.3564 0.2849 0.1576 0.08131 0.07026 0.03636 0.903225806451613 0.3543 0.2841 0.1574 0.08009 0.06798 0.03308 0.935483870967742 0.3507 0.2815 0.1525 0.0794 0.06422 0.03122 0.967741935483871 0.3472 0.2779 0.1486 0.07338 0.06118 0.0312 0.1 1.9063 0.98189 0.41134 0.27922 0.2323 0.08722 Average of yearly averages: 0.058832 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret ctn Metfile: w03940. dvf PRZM scenario: MScottonC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA Appendices 34 IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

stored as Pyret ctnben. out Chemical: Pyrethrins PRZM environment: MScottonC. txt modified Wedday, 22 January 2003 at 11: 52: 38 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w03940. dvf modified Wedday, 3 July 2002 at 09: 05: 46 Benthic segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.1386 0.1381 0.1332 0.1271 0.1167 0.04874 1962 0.05277 0.0525 0.05141 0.04846 0.04599 0.03265 1963 0.09141 0.09105 0.0864 0.07328 0.06532 0.03298 1964 0.09866 0.09815 0.09369 0.08553 0.07879 0.04417 1965 0.0427 0.04256 0.0408 0.03685 0.03526 0.03051 1966 0.04454 0.04439 0.04252 0.03777 0.03495 0.02528 1967 0.1069 0.1066 0.104 0.09537 0.08983 0.04787 1968 0.04961 0.04936 0.04834 0.04615 0.04432 0.03225 1969 0.0321 0.03199 0.03035 0.0277 0.02772 0.01901 1970 0.04655 0.04635 0.04402 0.04166 0.03984 0.0259 1971 0.05143 0.05127 0.04929 0.04349 0.04214 0.02949 1972 0.03634 0.0362 0.03449 0.03005 0.02716 0.0187 1973 0.0296 0.02949 0.02867 0.02591 0.02474 0.01701 1974 0.0596 0.05939 0.05684 0.04926 0.04528 0.02689 1975 0.09431 0.09395 0.09029 0.08529 0.08131 0.0439 1976 0.1056 0.1052 0.1008 0.09027 0.08369 0.05072 1977 0.05908 0.05884 0.05554 0.05174 0.05025 0.03843 1978 0.03646 0.03634 0.03448 0.03265 0.03045 0.02209 1979 0.1518 0.1512 0.145 0.1281 0.1162 0.05759 1980 0.05986 0.05952 0.05809 0.05505 0.05263 0.03608 1981 0.09929 0.09893 0.09331 0.07865 0.07019 0.03456 1982 0.1568 0.1563 0.1518 0.1452 0.1329 0.06586 1983 0.05658 0.05629 0.05508 0.05231 0.04999 0.03701 1984 0.04998 0.04983 0.0472 0.04562 0.04425 0.02718 1985 0.07737 0.07705 0.07307 0.071 0.06745 0.03914 1986 0.05679 0.05659 0.05346 0.04947 0.04756 0.03353 1987 0.09756 0.09714 0.09256 0.07888 0.0703 0.03645 1988 0.05181 0.0516 0.04897 0.04671 0.04482 0.03152 1989 0.1236 0.1231 0.1171 0.1094 0.09934 0.05096 1990 0.04209 0.04182 0.04068 0.03803 0.0359 0.02686 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly Appendices 35 0.032258064516129 0.1568 0.1563 0.1518 0.1452 0.1329 0.06586 0.0645161290322581 0.1518 0.1512 0.145 0.1281 0.1167 0.05759 0.0967741935483871 0.1386 0.1381 0.1332 0.1271 0.1162 0.05096 0.129032258064516 0.1236 0.1231 0.1171 0.1094 0.09934 0.05072 0.161290322580645 0.1069 0.1066 0.104 0.09537 0.08983 0.04874 0.193548387096774 0.1056 0.1052 0.1008 0.09027 0.08369 0.04787 0.225806451612903 0.09929 0.09893 0.09369 0.08553 0.08131 0.04417 0.258064516129032 0.09866 0.09815 0.09331 0.08529 0.07879 0.0439 0.290322580645161 0.09756 0.09714 0.09256 0.07888 0.0703 0.03914 0.32258064516129 0.09431 0.09395 0.09029 0.07865 0.07019 0.03843 0.354838709677419 0.09141 0.09105 0.0864 0.07328 0.06745 0.03701 0.387096774193548 0.07737 0.07705 0.07307 0.071 0.06532 0.03645 0.419354838709677 0.05986 0.05952 0.05809 0.05505 0.05263 0.03608 0.451612903225806 0.0596 0.05939 0.05684 0.05231 0.05025 0.03456 0.483870967741936 0.05908 0.05884 0.05554 0.05174 0.04999 0.03353 0.516129032258065 0.05679 0.05659 0.05508 0.04947 0.04756 0.03298 0.548387096774194 0.05658 0.05629 0.05346 0.04926 0.04599 0.03265 0.580645161290323 0.05277 0.0525 0.05141 0.04846 0.04528 0.03225 0.612903225806452 0.05181 0.0516 0.04929 0.04671 0.04482 0.03152 0.645161290322581 0.05143 0.05127 0.04897 0.04615 0.04432 0.03051 0.67741935483871 0.04998 0.04983 0.04834 0.04562 0.04425 0.02949 0.709677419354839 0.04961 0.04936 0.0472 0.04349 0.04214 0.02718 0.741935483870968 0.04655 0.04635 0.04402 0.04166 0.03984 0.02689 0.774193548387097 0.04454 0.04439 0.04252 0.03803 0.0359 0.02686 0.806451612903226 0.0427 0.04256 0.0408 0.03777 0.03526 0.0259 0.838709677419355 0.04209 0.04182 0.04068 0.03685 0.03495 0.02528 0.870967741935484 0.03646 0.03634 0.03449 0.03265 0.03045 0.02209 0.903225806451613 0.03634 0.0362 0.03448 0.03005 0.02772 0.01901 0.935483870967742 0.0321 0.03199 0.03035 0.0277 0.02716 0.0187 0.967741935483871 0.0296 0.02949 0.02867 0.02591 0.02474 0.01701 0.1 0.1371 0.1366 0.13159 0.12533 0.114514 0.050936 Average of yearly averages: 0.0354443333333333 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret ctn Metfile: w03940. dvf PRZM scenario: MScottonC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Appendices 36 Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

PA Tomato:

stored as Pyret tom. out Chemical: Pyrethrins PRZM environment: PAtomatoC. txt modified Satday, 12 October 2002 at 17: 26: 12 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14737. dvf modified Wedday, 3 July 2002 at 09: 06: 12 Water segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.7776 0.3745 0.1572 0.1119 0.09614 0.03856 1962 1.255 0.6103 0.291 0.1662 0.1448 0.07115 1963 0.3803 0.3108 0.1795 0.1005 0.08677 0.05745 1964 0.4038 0.3188 0.1997 0.1119 0.09102 0.04817 1965 0.3646 0.2952 0.1647 0.08538 0.07298 0.03987 1966 0.3621 0.2926 0.1619 0.08342 0.07271 0.04166 1967 1.845 0.8825 0.3415 0.2258 0.1922 0.08969 1968 0.3939 0.3244 0.1964 0.1125 0.09296 0.06248 1969 0.7387 0.475 0.2001 0.1325 0.122 0.06412 Appendices 37 1970 0.3813 0.3118 0.1842 0.1171 0.1025 0.06177 1971 0.5313 0.3655 0.1771 0.1067 0.1077 0.06254 1972 1.865 0.9306 0.4035 0.2721 0.2299 0.1106 1973 1.542 0.7548 0.2774 0.1989 0.1694 0.1004 1974 0.5251 0.3175 0.2304 0.1392 0.1313 0.07932 1975 0.7186 0.482 0.2545 0.1698 0.1435 0.07888 1976 0.5019 0.3082 0.189 0.1045 0.1014 0.06271 1977 0.715 0.4241 0.214 0.1234 0.104 0.05662 1978 0.4235 0.2978 0.1694 0.1094 0.1134 0.06199 1979 0.4862 0.3076 0.1763 0.1227 0.1075 0.06604 1980 0.3788 0.3091 0.1782 0.09608 0.0768 0.04558 1981 0.4052 0.2884 0.2067 0.1191 0.09632 0.04425 1982 1.264 0.6313 0.3501 0.2047 0.1819 0.08438 1983 0.8196 0.4172 0.2421 0.1543 0.1299 0.07479 1984 0.8206 0.4323 0.2325 0.1894 0.1625 0.08143 1985 0.629 0.3669 0.2563 0.1638 0.1426 0.08052 1986 0.3826 0.3155 0.1824 0.1046 0.09219 0.05737 1987 0.6161 0.3118 0.191 0.1353 0.1229 0.06559 1988 0.4179 0.3091 0.1781 0.1263 0.1099 0.06642 1989 0.956 0.5249 0.2679 0.1679 0.1404 0.07278 1990 0.6337 0.3209 0.1805 0.1251 0.1184 0.06739 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 1.865 0.9306 0.4035 0.2721 0.2299 0.1106 0.0645161290322581 1.845 0.8825 0.3501 0.2258 0.1922 0.1004 0.0967741935483871 1.542 0.7548 0.3415 0.2047 0.1819 0.08969 0.129032258064516 1.264 0.6313 0.291 0.1989 0.1694 0.08438 0.161290322580645 1.255 0.6103 0.2774 0.1894 0.1625 0.08143 0.193548387096774 0.956 0.5249 0.2679 0.1698 0.1448 0.08052 0.225806451612903 0.8206 0.482 0.2563 0.1679 0.1435 0.07932 0.258064516129032 0.8196 0.475 0.2545 0.1662 0.1426 0.07888 0.290322580645161 0.7776 0.4323 0.2421 0.1638 0.1404 0.07479 0.32258064516129 0.7387 0.4241 0.2325 0.1543 0.1313 0.07278 0.354838709677419 0.7186 0.4172 0.2304 0.1392 0.1299 0.07115 0.387096774193548 0.715 0.3745 0.214 0.1353 0.1229 0.06739 0.419354838709677 0.6337 0.3669 0.2067 0.1325 0.122 0.06642 0.451612903225806 0.629 0.3655 0.2001 0.1263 0.1184 0.06604 0.483870967741936 0.6161 0.3244 0.1997 0.1251 0.1134 0.06559 0.516129032258065 0.5313 0.3209 0.1964 0.1234 0.1099 0.06412 0.548387096774194 0.5251 0.3188 0.191 0.1227 0.1077 0.06271 0.580645161290323 0.5019 0.3175 0.189 0.1191 0.1075 0.06254 0.612903225806452 0.4862 0.3155 0.1842 0.1171 0.104 0.06248 0.645161290322581 0.4235 0.3118 0.1824 0.1125 0.1025 0.06199 0.67741935483871 0.4179 0.3118 0.1805 0.1119 0.1014 0.06177 0.709677419354839 0.4052 0.3108 0.1795 0.1119 0.09632 0.05745 0.741935483870968 0.4038 0.3091 0.1782 0.1094 0.09614 0.05737 0.774193548387097 0.3939 0.3091 0.1781 0.1067 0.09296 0.05662 0.806451612903226 0.3826 0.3082 0.1771 0.1046 0.09219 0.04817 0.838709677419355 0.3813 0.3076 0.1763 0.1045 0.09102 0.04558 0.870967741935484 0.3803 0.2978 0.1694 0.1005 0.08677 0.04425 Appendices 38 0.903225806451613 0.3788 0.2952 0.1647 0.09608 0.0768 0.04166 0.935483870967742 0.3646 0.2926 0.1619 0.08538 0.07298 0.03987 0.967741935483871 0.3621 0.2884 0.1572 0.08342 0.07271 0.03856 0.1 1.5142 0.74245 0.33645 0.20412 0.18065 0.089159 Average of yearly averages: 0.066484 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret tom Metfile: w14737. dvf PRZM scenario: PAtomatoC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Appendices 39 Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

stored as Pyret tomben. out Chemical: Pyrethrins PRZM environment: PAtomatoC. txt modified Satday, 12 October 2002 at 17: 26: 12 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14737. dvf modified Wedday, 3 July 2002 at 09: 06: 12 Benthic segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.05749 0.05735 0.05502 0.04973 0.04583 0.0207 1962 0.08829 0.08805 0.0848 0.07641 0.07271 0.04445 1963 0.05197 0.05186 0.05004 0.04507 0.04307 0.03802 1964 0.05403 0.05389 0.052 0.04757 0.04414 0.03085 1965 0.03985 0.03974 0.0384 0.03427 0.03265 0.02486 1966 0.03856 0.03845 0.037 0.0327 0.03173 0.02546 1967 0.1194 0.119 0.1143 0.1066 0.1 0.05548 1968 0.06308 0.06295 0.06091 0.05635 0.05469 0.04325 1969 0.07978 0.07962 0.07705 0.0691 0.06442 0.03934 1970 0.05645 0.05628 0.05506 0.05145 0.05063 0.04065 1971 0.06402 0.06386 0.0615 0.05927 0.05618 0.03924 1972 0.1506 0.1502 0.1443 0.1325 0.1221 0.0696 1973 0.1174 0.117 0.1119 0.09834 0.08993 0.06688 1974 0.07319 0.07294 0.0719 0.06687 0.06652 0.05224 1975 0.08289 0.08257 0.08035 0.07455 0.07193 0.05112 1976 0.05655 0.05639 0.05428 0.04951 0.04876 0.04107 1977 0.05982 0.05967 0.05765 0.05316 0.05046 0.03629 1978 0.06775 0.06759 0.06486 0.05902 0.05556 0.03864 1979 0.06183 0.06168 0.06002 0.05654 0.05501 0.04251 1980 0.04942 0.04931 0.04763 0.04211 0.03805 0.03018 1981 0.05653 0.05635 0.05423 0.04869 0.04486 0.0267 1982 0.1087 0.1085 0.1051 0.0954 0.09195 0.05189 1983 0.0843 0.08396 0.08155 0.07189 0.06655 0.04962 1984 0.09962 0.09937 0.09777 0.08949 0.08315 0.0512 1985 0.07969 0.0795 0.07694 0.07445 0.07202 0.05229 1986 0.05279 0.05267 0.05079 0.0472 0.04578 0.03824 1987 0.06572 0.06553 0.06312 0.06096 0.06044 0.04051 1988 0.06519 0.06495 0.06194 0.05679 0.05399 0.04309 1989 0.08253 0.08233 0.07916 0.07482 0.07071 0.04657 1990 0.06875 0.06855 0.06601 0.06198 0.05898 0.04344 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 0.1506 0.1502 0.1443 0.1325 0.1221 0.0696 0.0645161290322581 0.1194 0.119 0.1143 0.1066 0.1 0.06688 0.0967741935483871 0.1174 0.117 0.1119 0.09834 0.09195 0.05548 0.129032258064516 0.1087 0.1085 0.1051 0.0954 0.08993 0.05229 0.161290322580645 0.09962 0.09937 0.09777 0.08949 0.08315 0.05224 0.193548387096774 0.08829 0.08805 0.0848 0.07641 0.07271 0.05189 0.225806451612903 0.0843 0.08396 0.08155 0.07482 0.07202 0.0512 Appendices 40 0.258064516129032 0.08289 0.08257 0.08035 0.07455 0.07193 0.05112 0.290322580645161 0.08253 0.08233 0.07916 0.07445 0.07071 0.04962 0.32258064516129 0.07978 0.07962 0.07705 0.07189 0.06655 0.04657 0.354838709677419 0.07969 0.0795 0.07694 0.0691 0.06652 0.04445 0.387096774193548 0.07319 0.07294 0.0719 0.06687 0.06442 0.04344 0.419354838709677 0.06875 0.06855 0.06601 0.06198 0.06044 0.04325 0.451612903225806 0.06775 0.06759 0.06486 0.06096 0.05898 0.04309 0.483870967741936 0.06572 0.06553 0.06312 0.05927 0.05618 0.04251 0.516129032258065 0.06519 0.06495 0.06194 0.05902 0.05556 0.04107 0.548387096774194 0.06402 0.06386 0.0615 0.05679 0.05501 0.04065 0.580645161290323 0.06308 0.06295 0.06091 0.05654 0.05469 0.04051 0.612903225806452 0.06183 0.06168 0.06002 0.05635 0.05399 0.03934 0.645161290322581 0.05982 0.05967 0.05765 0.05316 0.05063 0.03924 0.67741935483871 0.05749 0.05735 0.05506 0.05145 0.05046 0.03864 0.709677419354839 0.05655 0.05639 0.05502 0.04973 0.04876 0.03824 0.741935483870968 0.05653 0.05635 0.05428 0.04951 0.04583 0.03802 0.774193548387097 0.05645 0.05628 0.05423 0.04869 0.04578 0.03629 0.806451612903226 0.05403 0.05389 0.052 0.04757 0.04486 0.03085 0.838709677419355 0.05279 0.05267 0.05079 0.0472 0.04414 0.03018 0.870967741935484 0.05197 0.05186 0.05004 0.04507 0.04307 0.0267 0.903225806451613 0.04942 0.04931 0.04763 0.04211 0.03805 0.02546 0.935483870967742 0.03985 0.03974 0.0384 0.03427 0.03265 0.02486 0.967741935483871 0.03856 0.03845 0.037 0.0327 0.03173 0.0207 0.1 0.11653 0.11615 0.11122 0.098046 0.091748 0.055161 Average of yearly averages: 0.0424793333333333 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret tom Metfile: w14737. dvf PRZM scenario: PAtomatoC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Appendices 41 Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

ND Wheat:

stored as Pyret wht. out Chemical: Pyrethrins PRZM environment: NDwheatC. txt modified Satday, 12 October 2002 at 17: 15: 08 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14914. dvf modified Wedday, 3 July 2002 at 09: 05: 52 Water segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.3452 0.2755 0.1449 0.07042 0.05611 0.0225 1962 0.402 0.3181 0.1763 0.1125 0.09622 0.04609 1963 0.3702 0.3011 0.1693 0.0894 0.07881 0.04438 1964 0.8443 0.418 0.2355 0.1347 0.1126 0.05532 1965 0.3765 0.307 0.176 0.1004 0.08402 0.05026 1966 0.3697 0.3005 0.169 0.09035 0.0796 0.04463 1967 0.3729 0.3057 0.1706 0.09048 0.07302 0.03924 1968 0.3694 0.3018 0.1652 0.08669 0.06958 0.03498 1969 0.4253 0.2941 0.1622 0.1112 0.09324 0.04593 1970 0.3702 0.3006 0.1871 0.1012 0.08182 0.04581 1971 0.3664 0.2972 0.1665 0.08892 0.07165 0.04008 1972 0.3634 0.2938 0.1629 0.08721 0.07328 0.03931 1973 0.3646 0.295 0.1638 0.08731 0.07233 0.04091 1974 0.4128 0.2971 0.1661 0.1027 0.09792 0.05409 1975 0.6908 0.3717 0.2284 0.1708 0.1435 0.07555 1976 0.3817 0.3123 0.1811 0.1001 0.08121 0.05166 1977 0.6115 0.3055 0.1624 0.1136 0.09498 0.04884 1978 0.6195 0.3173 0.2271 0.1304 0.1106 0.05826 Appendices 42 1979 0.3751 0.3055 0.1811 0.1115 0.09248 0.05224 1980 0.3682 0.2986 0.1708 0.09013 0.07668 0.04499 1981 0.369 0.2993 0.1688 0.09444 0.07717 0.04183 1982 0.3705 0.2987 0.1656 0.08905 0.07173 0.03838 1983 0.3647 0.295 0.1639 0.1034 0.08542 0.04387 1984 1.09 0.6903 0.2806 0.1526 0.1234 0.05941 1985 0.3762 0.3064 0.1769 0.1038 0.0878 0.05158 1986 0.5346 0.3005 0.2138 0.1243 0.1032 0.05531 1987 0.37 0.3006 0.1698 0.09637 0.08102 0.04722 1988 0.3614 0.292 0.1631 0.08332 0.06884 0.038 1989 0.3627 0.293 0.1618 0.08389 0.07101 0.04037 1990 0.422 0.3008 0.201 0.1143 0.09289 0.04746 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 1.09 0.6903 0.2806 0.1708 0.1435 0.07555 0.0645161290322581 0.8443 0.418 0.2355 0.1526 0.1234 0.05941 0.0967741935483871 0.6908 0.3717 0.2284 0.1347 0.1126 0.05826 0.129032258064516 0.6195 0.3181 0.2271 0.1304 0.1106 0.05532 0.161290322580645 0.6115 0.3173 0.2138 0.1243 0.1032 0.05531 0.193548387096774 0.5346 0.3123 0.201 0.1143 0.09792 0.05409 0.225806451612903 0.4253 0.307 0.1871 0.1136 0.09622 0.05224 0.258064516129032 0.422 0.3064 0.1811 0.1125 0.09498 0.05166 0.290322580645161 0.4128 0.3057 0.1811 0.1115 0.09324 0.05158 0.32258064516129 0.402 0.3055 0.1769 0.1112 0.09289 0.05026 0.354838709677419 0.3817 0.3055 0.1763 0.1038 0.09248 0.04884 0.387096774193548 0.3765 0.3018 0.176 0.1034 0.0878 0.04746 0.419354838709677 0.3762 0.3011 0.1708 0.1027 0.08542 0.04722 0.451612903225806 0.3751 0.3008 0.1706 0.1012 0.08402 0.04609 0.483870967741936 0.3729 0.3006 0.1698 0.1004 0.08182 0.04593 0.516129032258065 0.3705 0.3006 0.1693 0.1001 0.08121 0.04581 0.548387096774194 0.3702 0.3005 0.169 0.09637 0.08102 0.04499 0.580645161290323 0.3702 0.3005 0.1688 0.09444 0.0796 0.04463 0.612903225806452 0.37 0.2993 0.1665 0.09048 0.07881 0.04438 0.645161290322581 0.3697 0.2987 0.1661 0.09035 0.07717 0.04387 0.67741935483871 0.3694 0.2986 0.1656 0.09013 0.07668 0.04183 0.709677419354839 0.369 0.2972 0.1652 0.0894 0.07328 0.04091 0.741935483870968 0.3682 0.2971 0.1639 0.08905 0.07302 0.04037 0.774193548387097 0.3664 0.295 0.1638 0.08892 0.07233 0.04008 0.806451612903226 0.3647 0.295 0.1631 0.08731 0.07173 0.03931 0.838709677419355 0.3646 0.2941 0.1629 0.08721 0.07165 0.03924 0.870967741935484 0.3634 0.2938 0.1624 0.08669 0.07101 0.03838 0.903225806451613 0.3627 0.293 0.1622 0.08389 0.06958 0.038 0.935483870967742 0.3614 0.292 0.1618 0.08332 0.06884 0.03498 0.967741935483871 0.3452 0.2755 0.1449 0.07042 0.05611 0.0225 0.1 0.68367 0.36634 0.22827 0.13427 0.1124 0.057966 Average of yearly averages: 0.0466166666666667 Inputs generated by pe4. pl  8 August 2003 Appendices 43 Data used for this run: Output File: Pyret wht Metfile: w14914. dvf PRZM scenario: NDwheatC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

stored as Pyret whtben. out Chemical: Pyrethrins PRZM environment: NDwheatC. txt modified Satday, 12 October 2002 at 17: 15: 08 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w14914. dvf modified Wedday, 3 July 2002 at 09: 05: 52 Benthic segment concentrations ( ppb) Appendices 44 Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.0254 0.02533 0.02443 0.02247 0.02123 0.01131 1962 0.05162 0.05147 0.04986 0.04638 0.04435 0.02781 1963 0.04392 0.04381 0.04228 0.03759 0.0366 0.02838 1964 0.06842 0.06826 0.06579 0.05801 0.05445 0.0342 1965 0.04832 0.0482 0.04689 0.04369 0.04152 0.03302 1966 0.04338 0.04328 0.04197 0.038 0.03708 0.02845 1967 0.04316 0.04309 0.04189 0.03795 0.0351 0.02513 1968 0.03899 0.03892 0.03783 0.03453 0.03198 0.02169 1969 0.05265 0.05251 0.05058 0.04571 0.04299 0.02792 1970 0.04997 0.04985 0.04806 0.04318 0.03969 0.02937 1971 0.04072 0.04064 0.03949 0.03633 0.03376 0.02522 1972 0.03918 0.03908 0.03774 0.03474 0.0334 0.02455 1973 0.03962 0.03954 0.03833 0.03526 0.03349 0.02544 1974 0.05536 0.05527 0.05364 0.04983 0.04821 0.0337 1975 0.09234 0.09208 0.08803 0.07858 0.07342 0.04829 1976 0.05341 0.0533 0.05146 0.04599 0.04205 0.03504 1977 0.0552 0.05504 0.0529 0.04767 0.04488 0.03017 1978 0.06477 0.06465 0.06263 0.05738 0.05429 0.03707 1979 0.05118 0.05105 0.04966 0.0477 0.04549 0.03393 1980 0.04341 0.04333 0.04196 0.03756 0.03562 0.02865 1981 0.04263 0.04255 0.04135 0.03892 0.03659 0.02672 1982 0.04016 0.04009 0.03907 0.03613 0.03354 0.02397 1983 0.04487 0.04476 0.04377 0.04121 0.03938 0.02712 1984 0.07769 0.0775 0.07509 0.06727 0.06136 0.03715 1985 0.04818 0.0481 0.04687 0.04467 0.04324 0.03384 1986 0.06037 0.06021 0.05836 0.05371 0.05068 0.03507 1987 0.04478 0.04467 0.04304 0.03981 0.03841 0.03061 1988 0.03949 0.03935 0.03771 0.033 0.0308 0.02374 1989 0.03802 0.03795 0.037 0.03299 0.03201 0.02462 1990 0.05589 0.05577 0.05399 0.04843 0.04481 0.02994 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 0.09234 0.09208 0.08803 0.07858 0.07342 0.04829 0.0645161290322581 0.07769 0.0775 0.07509 0.06727 0.06136 0.03715 0.0967741935483871 0.06842 0.06826 0.06579 0.05801 0.05445 0.03707 0.129032258064516 0.06477 0.06465 0.06263 0.05738 0.05429 0.03507 0.161290322580645 0.06037 0.06021 0.05836 0.05371 0.05068 0.03504 0.193548387096774 0.05589 0.05577 0.05399 0.04983 0.04821 0.0342 0.225806451612903 0.05536 0.05527 0.05364 0.04843 0.04549 0.03393 0.258064516129032 0.0552 0.05504 0.0529 0.0477 0.04488 0.03384 0.290322580645161 0.05341 0.0533 0.05146 0.04767 0.04481 0.0337 0.32258064516129 0.05265 0.05251 0.05058 0.04638 0.04435 0.03302 0.354838709677419 0.05162 0.05147 0.04986 0.04599 0.04324 0.03061 0.387096774193548 0.05118 0.05105 0.04966 0.04571 0.04299 0.03017 0.419354838709677 0.04997 0.04985 0.04806 0.04467 0.04205 0.02994 0.451612903225806 0.04832 0.0482 0.04689 0.04369 0.04152 0.02937 0.483870967741936 0.04818 0.0481 0.04687 0.04318 0.03969 0.02865 0.516129032258065 0.04487 0.04476 0.04377 0.04121 0.03938 0.02845 0.548387096774194 0.04478 0.04467 0.04304 0.03981 0.03841 0.02838 Appendices 45 0.580645161290323 0.04392 0.04381 0.04228 0.03892 0.03708 0.02792 0.612903225806452 0.04341 0.04333 0.04197 0.038 0.0366 0.02781 0.645161290322581 0.04338 0.04328 0.04196 0.03795 0.03659 0.02712 0.67741935483871 0.04316 0.04309 0.04189 0.03759 0.03562 0.02672 0.709677419354839 0.04263 0.04255 0.04135 0.03756 0.0351 0.02544 0.741935483870968 0.04072 0.04064 0.03949 0.03633 0.03376 0.02522 0.774193548387097 0.04016 0.04009 0.03907 0.03613 0.03354 0.02513 0.806451612903226 0.03962 0.03954 0.03833 0.03526 0.03349 0.02462 0.838709677419355 0.03949 0.03935 0.03783 0.03474 0.0334 0.02455 0.870967741935484 0.03918 0.03908 0.03774 0.03453 0.03201 0.02397 0.903225806451613 0.03899 0.03892 0.03771 0.033 0.03198 0.02374 0.935483870967742 0.03802 0.03795 0.037 0.03299 0.0308 0.02169 0.967741935483871 0.0254 0.02533 0.02443 0.02247 0.02123 0.01131 0.1 0.068055 0.067899 0.065474 0.057947 0.054434 0.03687 Average of yearly averages: 0.029404 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret wht Metfile: w14914. dvf PRZM scenario: NDwheatC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Appendices 46 Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

CA Onion:

stored as Pyret oni. out Chemical: Pyrethrins PRZM environment: CAonionC. txtmodified Monday, 23 December 2002 at 06: 48: 48 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w23155. dvf modified Wedday, 3 July 2002 at 09: 04: 20 Water segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.598 0.3643 0.2288 0.111 0.08449 0.02716 1962 0.7062 0.4535 0.2581 0.1305 0.1011 0.03818 1963 0.5532 0.3795 0.1859 0.09181 0.07093 0.0296 1964 0.6753 0.4367 0.2438 0.1233 0.09531 0.03601 1965 0.6741 0.4379 0.2487 0.1275 0.09929 0.03883 1966 0.6139 0.3747 0.2399 0.1213 0.09402 0.03734 1967 0.687 0.4094 0.2228 0.1116 0.08556 0.03306 1968 0.6791 0.4082 0.2299 0.1129 0.08648 0.03233 1969 0.6932 0.4487 0.2215 0.1095 0.08359 0.03142 1970 0.6665 0.4107 0.2357 0.1157 0.08803 0.032 1971 0.67 0.4115 0.236 0.1168 0.08928 0.03315 1972 0.61 0.4002 0.2142 0.105 0.08033 0.03092 1973 0.672 0.4315 0.2474 0.123 0.09449 0.03513 1974 0.6956 0.4225 0.2386 0.1181 0.09054 0.03407 1975 0.7761 0.4656 0.2392 0.1186 0.09117 0.03405 1976 0.5964 0.397 0.2356 0.1174 0.09057 0.03429 1977 0.6692 0.4314 0.2446 0.1215 0.09379 0.03499 1978 0.6194 0.3992 0.2426 0.1206 0.0925 0.0342 1979 0.7691 0.4613 0.2372 0.1172 0.08994 0.03345 1980 0.6581 0.4295 0.2462 0.1251 0.09683 0.036 1981 0.6648 0.4287 0.2468 0.1223 0.09363 0.03534 1982 0.7711 0.462 0.2307 0.1143 0.08746 0.03298 1983 0.7766 0.465 0.2181 0.1089 0.08536 0.03288 1984 0.654 0.4273 0.2439 0.1233 0.09518 0.03594 1985 0.719 0.4565 0.2486 0.1252 0.0968 0.03798 1986 0.7429 0.4474 0.2292 0.115 0.08891 0.03569 1987 0.5515 0.3737 0.2378 0.1205 0.09402 0.03683 1988 0.6837 0.4197 0.2415 0.1207 0.09275 0.0357 1989 0.797 0.4442 0.2317 0.1153 0.08902 0.03447 Appendices 47 1990 0.807 0.4491 0.2329 0.1157 0.08898 0.03431 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 0.807 0.4656 0.2581 0.1305 0.1011 0.03883 0.0645161290322581 0.797 0.465 0.2487 0.1275 0.09929 0.03818 0.0967741935483871 0.7766 0.462 0.2486 0.1252 0.09683 0.03798 0.129032258064516 0.7761 0.4613 0.2474 0.1251 0.0968 0.03734 0.161290322580645 0.7711 0.4565 0.2468 0.1233 0.09531 0.03683 0.193548387096774 0.7691 0.4535 0.2462 0.1233 0.09518 0.03601 0.225806451612903 0.7429 0.4491 0.2446 0.123 0.09449 0.036 0.258064516129032 0.719 0.4487 0.2439 0.1223 0.09402 0.03594 0.290322580645161 0.7062 0.4474 0.2438 0.1215 0.09402 0.0357 0.32258064516129 0.6956 0.4442 0.2426 0.1213 0.09379 0.03569 0.354838709677419 0.6932 0.4379 0.2415 0.1207 0.09363 0.03534 0.387096774193548 0.687 0.4367 0.2399 0.1206 0.09275 0.03513 0.419354838709677 0.6837 0.4315 0.2392 0.1205 0.0925 0.03499 0.451612903225806 0.6791 0.4314 0.2386 0.1186 0.09117 0.03447 0.483870967741936 0.6753 0.4295 0.2378 0.1181 0.09057 0.03431 0.516129032258065 0.6741 0.4287 0.2372 0.1174 0.09054 0.03429 0.548387096774194 0.672 0.4273 0.236 0.1172 0.08994 0.0342 0.580645161290323 0.67 0.4225 0.2357 0.1168 0.08928 0.03407 0.612903225806452 0.6692 0.4197 0.2356 0.1157 0.08902 0.03405 0.645161290322581 0.6665 0.4115 0.2329 0.1157 0.08898 0.03345 0.67741935483871 0.6648 0.4107 0.2317 0.1153 0.08891 0.03315 0.709677419354839 0.6581 0.4094 0.2307 0.115 0.08803 0.03306 0.741935483870968 0.654 0.4082 0.2299 0.1143 0.08746 0.03298 0.774193548387097 0.6194 0.4002 0.2292 0.1129 0.08648 0.03288 0.806451612903226 0.6139 0.3992 0.2288 0.1116 0.08556 0.03233 0.838709677419355 0.61 0.397 0.2228 0.111 0.08536 0.032 0.870967741935484 0.598 0.3795 0.2215 0.1095 0.08449 0.03142 0.903225806451613 0.5964 0.3747 0.2181 0.1089 0.08359 0.03092 0.935483870967742 0.5532 0.3737 0.2142 0.105 0.08033 0.0296 0.967741935483871 0.5515 0.3643 0.1859 0.09181 0.07093 0.02716 0.1 0.77655 0.46193 0.24848 0.12519 0.096827 0.037916 Average of yearly averages: 0.0342766666666667 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret oni Metfile: w23155. dvf PRZM scenario: CAonionC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Appendices 48 Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

stored as Pyret oniben. out Chemical: Pyrethrins PRZM environment: CAonionC. txtmodified Monday, 23 December 2002 at 06: 48: 48 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w23155. dvf modified Wedday, 3 July 2002 at 09: 04: 20 Benthic segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.04981 0.04963 0.04676 0.03857 0.03361 0.01311 1962 0.06186 0.06161 0.05853 0.04938 0.04357 0.02103 1963 0.04127 0.04116 0.03938 0.03395 0.03017 0.01692 1964 0.05805 0.05786 0.05511 0.04645 0.04089 0.01973 1965 0.06046 0.06031 0.05775 0.0492 0.04357 0.02188 1966 0.05749 0.05731 0.05448 0.04623 0.04074 0.02112 1967 0.05279 0.05264 0.05033 0.04193 0.03628 0.01834 1968 0.05284 0.05263 0.04968 0.04091 0.03578 0.01742 1969 0.05036 0.05019 0.04781 0.04022 0.03482 0.01707 Appendices 49 1970 0.05447 0.05426 0.05133 0.04199 0.03628 0.01696 1971 0.05509 0.05488 0.05213 0.04309 0.03737 0.01791 1972 0.04767 0.0475 0.04495 0.03792 0.03314 0.0169 1973 0.05839 0.05811 0.05475 0.04538 0.03967 0.01898 1974 0.05602 0.05581 0.05272 0.04366 0.03803 0.01851 1975 0.05535 0.05515 0.0521 0.0439 0.03839 0.01852 1976 0.05517 0.05497 0.0521 0.04341 0.03827 0.01877 1977 0.05738 0.05714 0.05364 0.04451 0.03895 0.01886 1978 0.05705 0.05686 0.05386 0.04463 0.03887 0.01845 1979 0.05459 0.05438 0.05131 0.04303 0.03759 0.01809 1980 0.05888 0.05872 0.05615 0.0473 0.04166 0.01969 1981 0.05833 0.05806 0.05445 0.04501 0.03917 0.01922 1982 0.0531 0.05291 0.05023 0.04203 0.03646 0.0179 1983 0.05014 0.04996 0.04768 0.04092 0.0363 0.01816 1984 0.05833 0.05817 0.05549 0.04643 0.04072 0.01973 1985 0.05981 0.05956 0.05623 0.04701 0.04145 0.02115 1986 0.05376 0.05356 0.05085 0.04348 0.03817 0.02019 1987 0.0563 0.05612 0.05327 0.04579 0.04078 0.02066 1988 0.05767 0.05746 0.0548 0.04548 0.03968 0.01988 1989 0.05412 0.05395 0.05138 0.04325 0.03805 0.01919 1990 0.05473 0.05456 0.05189 0.04331 0.03787 0.01905 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 0.06186 0.06161 0.05853 0.04938 0.04357 0.02188 0.0645161290322581 0.06046 0.06031 0.05775 0.0492 0.04357 0.02115 0.0967741935483871 0.05981 0.05956 0.05623 0.0473 0.04166 0.02112 0.129032258064516 0.05888 0.05872 0.05615 0.04701 0.04145 0.02103 0.161290322580645 0.05839 0.05817 0.05549 0.04645 0.04089 0.02066 0.193548387096774 0.05833 0.05811 0.05511 0.04643 0.04078 0.02019 0.225806451612903 0.05833 0.05806 0.0548 0.04623 0.04074 0.01988 0.258064516129032 0.05805 0.05786 0.05475 0.04579 0.04072 0.01973 0.290322580645161 0.05767 0.05746 0.05448 0.04548 0.03968 0.01973 0.32258064516129 0.05749 0.05731 0.05445 0.04538 0.03967 0.01969 0.354838709677419 0.05738 0.05714 0.05386 0.04501 0.03917 0.01922 0.387096774193548 0.05705 0.05686 0.05364 0.04463 0.03895 0.01919 0.419354838709677 0.0563 0.05612 0.05327 0.04451 0.03887 0.01905 0.451612903225806 0.05602 0.05581 0.05272 0.0439 0.03839 0.01898 0.483870967741936 0.05535 0.05515 0.05213 0.04366 0.03827 0.01886 0.516129032258065 0.05517 0.05497 0.0521 0.04348 0.03817 0.01877 0.548387096774194 0.05509 0.05488 0.0521 0.04341 0.03805 0.01852 0.580645161290323 0.05473 0.05456 0.05189 0.04331 0.03803 0.01851 0.612903225806452 0.05459 0.05438 0.05138 0.04325 0.03787 0.01845 0.645161290322581 0.05447 0.05426 0.05133 0.04309 0.03759 0.01834 0.67741935483871 0.05412 0.05395 0.05131 0.04303 0.03737 0.01816 0.709677419354839 0.05376 0.05356 0.05085 0.04203 0.03646 0.01809 0.741935483870968 0.0531 0.05291 0.05033 0.04199 0.0363 0.01791 0.774193548387097 0.05284 0.05264 0.05023 0.04193 0.03628 0.0179 0.806451612903226 0.05279 0.05263 0.04968 0.04092 0.03628 0.01742 Appendices 50 0.838709677419355 0.05036 0.05019 0.04781 0.04091 0.03578 0.01707 0.870967741935484 0.05014 0.04996 0.04768 0.04022 0.03482 0.01696 0.903225806451613 0.04981 0.04963 0.04676 0.03857 0.03361 0.01692 0.935483870967742 0.04767 0.0475 0.04495 0.03792 0.03314 0.0169 0.967741935483871 0.04127 0.04116 0.03938 0.03395 0.03017 0.01311 0.1 0.059717 0.059476 0.056222 0.047271 0.041639 0.021111 Average of yearly averages: 0.0187796666666667 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret oni Metfile: w23155. dvf PRZM scenario: CAonionC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 1 days Set to 0 or delete line for single app. Interval 2 interval 1 days Set to 0 or delete line for single app. Interval 3 interval 1 days Set to 0 or delete line for single app. Interval 4 interval 1 days Set to 0 or delete line for single app. Interval 5 interval 1 days Set to 0 or delete line for single app. Interval 6 interval 1 days Set to 0 or delete line for single app. Interval 7 interval 1 days Set to 0 or delete line for single app. Interval 8 interval 1 days Set to 0 or delete line for single app. Interval 9 interval 1 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT Appendices 51 FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

CA Onion, 3 days interval between applications:

stored as Pyret oni. out Chemical: Pyrethrins PRZM environment: CAonionC. txtmodified Monday, 23 December 2002 at 06: 48: 48 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w23155. dvf modified Wedday, 3 July 2002 at 09: 04: 20 Water segment concentrations ( ppb)

Year Peak 96 hr 21 Day 60 Day 90 Day Yearly 1961 0.2879 0.1846 0.1345 0.07996 0.06106 0.01973 1962 0.3389 0.2289 0.1568 0.0943 0.07324 0.02799 1963 0.2138 0.1534 0.1196 0.07608 0.05922 0.02433 1964 0.3326 0.2234 0.1536 0.09117 0.07074 0.02742 1965 0.344 0.2306 0.1563 0.0933 0.07283 0.02871 1966 0.2968 0.1933 0.1423 0.08729 0.06783 0.02723 1967 0.2962 0.2025 0.1397 0.08415 0.06467 0.0251 1968 0.2944 0.201 0.1371 0.0831 0.06392 0.02441 1969 0.2439 0.1753 0.1358 0.08319 0.06378 0.02414 1970 0.2891 0.1997 0.1395 0.08373 0.0639 0.02368 1971 0.291 0.2007 0.1403 0.08485 0.06504 0.02464 1972 0.2188 0.1544 0.1302 0.08007 0.06161 0.0241 1973 0.4093 0.222 0.1521 0.08887 0.06846 0.02591 1974 0.3009 0.2056 0.1408 0.08491 0.06526 0.02506 1975 0.2679 0.1706 0.1392 0.08422 0.06497 0.02478 1976 0.3898 0.2129 0.1435 0.08578 0.06635 0.02528 1977 0.3281 0.2205 0.1509 0.08998 0.07024 0.02647 1978 0.2983 0.1946 0.1421 0.08487 0.06523 0.02459 1979 0.2658 0.1687 0.1381 0.08319 0.06406 0.02399 1980 0.3468 0.2318 0.1548 0.09156 0.07103 0.02646 1981 0.3927 0.2148 0.1499 0.08933 0.0686 0.02608 1982 0.2654 0.1682 0.1379 0.08346 0.06406 0.02437 1983 0.2671 0.1692 0.1306 0.08095 0.06445 0.02514 1984 0.3407 0.2282 0.154 0.09114 0.07052 0.0271 1985 0.3417 0.2286 0.1558 0.0909 0.07049 0.02793 1986 0.2607 0.165 0.1379 0.08475 0.06574 0.02653 1987 0.3958 0.2171 0.147 0.09015 0.07056 0.02787 1988 0.2967 0.2046 0.1431 0.08688 0.06694 0.02617 1989 0.3505 0.1939 0.1369 0.08432 0.06533 0.02573 1990 0.3545 0.1958 0.1375 0.08445 0.06519 0.02553 Sorted results Prob. Peak 96 hr 21 Day 60 Day 90 Day Yearly 0.032258064516129 0.4093 0.2318 0.1568 0.0943 0.07324 0.02871 0.0645161290322581 0.3958 0.2306 0.1563 0.0933 0.07283 0.02799 0.0967741935483871 0.3927 0.2289 0.1558 0.09156 0.07103 0.02793 Appendices 52 0.129032258064516 0.3898 0.2286 0.1548 0.09117 0.07074 0.02787 0.161290322580645 0.3545 0.2282 0.154 0.09114 0.07056 0.02742 0.193548387096774 0.3505 0.2234 0.1536 0.0909 0.07052 0.02723 0.225806451612903 0.3468 0.222 0.1521 0.09015 0.07049 0.0271 0.258064516129032 0.344 0.2205 0.1509 0.08998 0.07024 0.02653 0.290322580645161 0.3417 0.2171 0.1499 0.08933 0.0686 0.02647 0.32258064516129 0.3407 0.2148 0.147 0.08887 0.06846 0.02646 0.354838709677419 0.3389 0.2129 0.1435 0.08729 0.06783 0.02617 0.387096774193548 0.3326 0.2056 0.1431 0.08688 0.06694 0.02608 0.419354838709677 0.3281 0.2046 0.1423 0.08578 0.06635 0.02591 0.451612903225806 0.3009 0.2025 0.1421 0.08491 0.06574 0.02573 0.483870967741936 0.2983 0.201 0.1408 0.08487 0.06533 0.02553 0.516129032258065 0.2968 0.2007 0.1403 0.08485 0.06526 0.02528 0.548387096774194 0.2967 0.1997 0.1397 0.08475 0.06523 0.02514 0.580645161290323 0.2962 0.1958 0.1395 0.08445 0.06519 0.0251 0.612903225806452 0.2944 0.1946 0.1392 0.08432 0.06504 0.02506 0.645161290322581 0.291 0.1939 0.1381 0.08422 0.06497 0.02478 0.67741935483871 0.2891 0.1933 0.1379 0.08415 0.06467 0.02464 0.709677419354839 0.2879 0.1846 0.1379 0.08373 0.06445 0.02459 0.741935483870968 0.2679 0.1753 0.1375 0.08346 0.06406 0.02441 0.774193548387097 0.2671 0.1706 0.1371 0.08319 0.06406 0.02437 0.806451612903226 0.2658 0.1692 0.1369 0.08319 0.06392 0.02433 0.838709677419355 0.2654 0.1687 0.1358 0.0831 0.0639 0.02414 0.870967741935484 0.2607 0.1682 0.1345 0.08095 0.06378 0.0241 0.903225806451613 0.2439 0.165 0.1306 0.08007 0.06161 0.02399 0.935483870967742 0.2188 0.1544 0.1302 0.07996 0.06106 0.02368 0.967741935483871 0.2138 0.1534 0.1196 0.07608 0.05922 0.01973 0.1 0.39241 0.22887 0.1557 0.091521 0.071001 0.027924 Average of yearly averages: 0.025549 Inputs generated by pe4. pl  8 August 2003 Data used for this run: Output File: Pyret oni Metfile: w23155. dvf PRZM scenario: CAonionC. txt EXAMS environment file: pond298. exv Chemical Name: Pyrethrins Description Variable Name Value Units Comments Molecular weightmwt 328.4 g/ mol Henry's Law Const. henry 7.7e 7 atm m^ 3/ mol Vapor Pressure vapr 2.03e 5 torr Solubility sol 2.0 mg/ L Kd Kd mg/ L Koc Koc 35170 mg/ L Photolysis half life kdp 0.5 days Half life Aerobic Aquatic Metabolism kbacw 31.5 days Halfife Anaerobic Aquatic Metabolism kbacs 86 days Halfife Aerobic Soil Metabolism asm 28.5 days Halfife Hydrolysis: pH 5 0 days Half life Appendices 53 Hydrolysis: pH 7 0 days Half life Hydrolysis: pH 9 17 days Half life Method: CAM 2 integer See PRZM manual Incorporation Depth: DEPI 0.0 cm Application Rate: TAPP 0.056 kg/ ha Application Efficiency: APPEFF0.95 fraction Spray Drift DRFT 0.05 fraction of application rate applied to pond Application Date Date 01 06 dd/ mm or dd/ mmm or dd mm or dd mmm Interval 1 interval 3 days Set to 0 or delete line for single app. Interval 2 interval 3 days Set to 0 or delete line for single app. Interval 3 interval 3 days Set to 0 or delete line for single app. Interval 4 interval 3 days Set to 0 or delete line for single app. Interval 5 interval 3 days Set to 0 or delete line for single app. Interval 6 interval 3 days Set to 0 or delete line for single app. Interval 7 interval 3 days Set to 0 or delete line for single app. Interval 8 interval 3 days Set to 0 or delete line for single app. Interval 9 interval 3 days Set to 0 or delete line for single app. Record 17: FILTRANA IPSCND3 UPTKF 0 Record 18: PLVKRT 0 PLDKRT FEXTRC 0.5 Flag for Index Res. Run IR Pond Flag for runoff calc. RUNOFF total none, monthly or total( average of entire run)

stored as Pyret oniben. out Chemical: Pyrethrins PRZM environment: CAonionC. txtmodified Monday, 23 December 2002 at 06: 48: 48 EXAMS environment: pond298. exv modified Thuday, 29 August 2002 at 16: 33: 30 Metfile: w23155. dvf modified Wedday, 3 July 2002 at 09: 04: 20 Benthic segment concentrations ( ppb)