[Federal Register Volume 78, Number 61 (Friday, March 29, 2013)]
[Notices]
[Pages 19258-19259]
[FR Doc No: 2013-07300]

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DEPARTMENT OF ENERGY

Federal Energy Regulatory Commission

[Project No. 14482-000]

ECOsponsible, Inc.; Notice of Preliminary Permit Application
Accepted for Filing and Soliciting Comments, Motions To Intervene, and
Competing Applications

    On January 18, 2013, ECOsponsible, Inc filed an application for a
preliminary permit, pursuant to section 4(f) of the Federal Power Act
(FPA), proposing to study the feasibility of the Little River Hydro
Project (Little River Project or project) to be located on the Little
River, near the Town of Clifton, in St. Lawrence County, New York. The
sole purpose of a preliminary permit, if issued, is to grant the permit
holder priority to file a license application during the permit term. A
preliminary permit does not authorize the permit holder to perform any
land-disturbing activities or otherwise enter upon lands or waters
owned by others without the owners' express permission.
    The proposed project would consist of the following: (1) An
existing earth dam with a height of 44 feet and a length of 1,420 feet;
(2) an existing reservoir with a drainage area of 37 square miles, a
surface area of 215 acres, a normal storage capacity of 1,660 acre-
feet, and a total storage capacity of 2,389 acre-feet; (3) an existing
48-inch-diameter outlet conduit; (4) a new horizontal axis ``S'' type
propeller turbine with a rated capacity of 1,000 kilowatts; (5) a new
1,900-foot-long transmission line from the powerhouse to an existing
15-kilovolt grid connection point located adjacent to state Highway
3; (6) a new 9-foot by 9-foot metering substation; and (7)
appurtenant facilities. The estimated annual generation of the Little
River Project would be 7,446 megawatt-hours.

    Applicant Contact: Mr. Dennis Ryan, Executive Director,
ECOsponsible, Inc., 120 Mitchell Road Ste 100, Ease Aurora, New York
14052; phone:<PHONE_NUMBER>.
    FERC Contact: Woohee Choi; phone:<PHONE_NUMBER>.
    Deadline for filing comments, motions to intervene, competing
applications (without notices of intent), or notices of intent to file
competing applications: 60 days from the issuance of this notice.
Competing applications and notices of intent must meet the requirements
of 18 CFR 4.36. Comments, motions to intervene, notices of intent, and
competing applications may be filed electronically via the Internet.
See 18 CFR 385.2001(a)(1)(iii) and the instructions on the Commission's
Web site http://www.ferc.gov/docs-filing/efiling.asp. Commenters can
submit brief comments up to 6,000 characters, without prior
registration, using the eComment system at http://www.ferc.gov/docs-filing/ecomment.asp. You must include your name and contact information
at the end of your comments. For assistance, please contact FERC Online
Support at<EMAIL_ADDRESS>or toll free at 1-866-208-3676,
or for TTY,<PHONE_NUMBER>. Although the Commission strongly encourages
electronic filing, documents may also be paper-filed. To paper-file,
mail an original and seven copies to: Kimberly D. Bose, Secretary,
Federal Energy Regulatory Commission, 888 First Street NE., Washington,
DC 20426.
    More information about this project, including a copy of the
application, can be viewed or printed on the ``eLibrary'' link of the
Commission's Web site at http://www.ferc.gov/docs-filing/elibrary.asp.
Enter the docket number (P-14482) in the docket number field to access
the document. For assistance, contact FERC Online Support.

    Dated: March 22, 2013.
 Kimberly D. Bose,
 Secretary.
[FR Doc. 2013-07300 Filed 3-28-13; 8:45 am]
BILLING CODE 6717-01-P


UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

WASHINGTON, D.C.  20460

OFFICE OF

PREVENTION, PESTICIDES

AND TOXIC SUBSTANCES

		PC Code No.:	 129034

DP Barcodes: D359097, 362612

		Date: July 24, 2009

SUBJECT:	Drinking Water Assessment for: (1) IR-4 Registration for Flumioxazin to be used on Cucurbit Group 9, Leaf Petioles Subgroup 4B and Hops, and (2) Registration for Flumioxazin to be Used in the Noncrop Areas

TO:		Joanne Miller, RM 23

		Barbara Madden, RM 05

		John Redden

		Registration Division (7505P)

FROM:	Larry Liu, Environmental Scientist, Ph.D.

		Environmental Fate and Effects Division (7507P)

THROUGH:	Mah Shamim, Ph.D., Branch Chief

Environmental Risk Branch V

Environmental Fate and Effects Division (7507P)

The previous drinking water assessment for use of flumioxazin on cotton, almonds, grapes, Christmas trees, deciduous trees and container and field grown ornamentals (completed on July 7, 2003) can be used for the currently proposed uses of Chateau WDG and Broadstar Herbicides.  The new uses include: (1) IR-4 Registration for Flumioxazin to be used on Cucurbit Group 9, Leaf Petioles Subgroup 4B and Hops, and (2) Registration for Flumioxazin in the Noncrop Areas.  The maximum single application rates and the yearly/seasonal application rates for the proposed uses are either lower than or equivalent to the rates used in the drinking water assessment completed on July 17, 2003.  The minimum application intervals for the proposed new uses are the same or longer than the interval used in the drinking water assessment completed on July 17, 2003.  Table 1 includes the application rates and numbers for flumioxazin on Cucurbit Group 9, Leaf Petioles Subgroup 4B and Hops.  Table 2 includes the application rates and numbers for flumioxazin in the Noncrop Areas.

\

Table 1.  Uses and Application Rates for Flumioxazin on Cucurbit Group 9, Leaf Petioles

Subgroup 4B, and Hops in the IR4 Registration (Chateau WDG Herbicide).

Crop	Maximum single application rate (lb ai/A)	Maximum application number per  season	Application interval

(days)	Maximum application rate per season

(lb ai/A/season)	Application methods

Cucurbit Group 9

(such as cucumber)	0.10	1	-	0.10	Broadcast, band, aerial, chemigation

Leaf Petioles

Subgroup 4B

(such as celery) 	0.13	2	35	0.26	Broadcast, band, aerial, chemigation

Hops	0.19	1	-	0.19	Broadcast, band, aerial, chemigation

Table 2.  Uses and Application rates in the Noncrop Areas for Flumioxazin Registration (Broadstar Herbicide).

Uses	Single application rate (lb ai/A)	Maximum application number per season	Application interval

(days)	Maximum application rate per season

(lb ai/A/season)	Application methods

Noncrop areas in apartment complexes, gravel surfaces, ground mats, golf courses, office complexes, parks, parking areas, recreational sites, schools, sidewalks and other similar sites*	0.375	2	56	0.750	Drop or rotary type granular equipment

* Label also includes uses on “container, field or landscape grown ornamental shrubs, trees, Christmas trees, ground covers, non-bearing fruit and nut trees, vines, and bare ground non-crop areas”

The previous drinking water assessment on cotton, almonds, grapes, Christmas trees, deciduous trees and container and field grown ornamentals is attached.

	UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

	WASHINGTON, D.C.  20460

PC Code:  129034

MEMORANDUM:

Date:		July 7, 2003

SUBJECT:	Tier I Estimated Environmental Concentrations for Flumioxazin and Its Degradates from the Use on cotton, almonds, grapes, Christmas trees, deciduous trees and container and field grown ornamentals

TO:		Joanne Miller, PM 23

J. Stone, PM Team Reviewer

Registration Division

Doug Dotson

Health Effects Division

FROM:	Larry Liu, Ph.D., Environmental Scientist

Environmental Risk Branch V

Environmental Fate and Effects Division (7507C)

THROUGH:	Mah Shamim, Ph.D., Branch Chief

Environmental Risk Branch V

Environmental Fate and Effects Division (7507C)

This document summarizes the Tier I Estimated Environmental Concentrations (EECs) for flumioxazin under the use for cotton, almonds, grapes, Christmas trees, deciduous trees and container and field grown ornamentals.  The FIRST and SCI-GROW models were used to estimate the concentrations of this chemical and  its degradates in surface water and groundwater, respectively.  These values represent upper-bound estimates of the concentrations that might be found in surface water and groundwater due to the use of flumioxazin on cotton, almonds, grapes, Christmas trees, deciduous trees and container and field grown ornamentals.  It should be noted that: (1) flumioxazin water numbers were generated from the models in which the Koc values used were obtained from a column leaching study instead of the typical absorption study; (2) 482-HA water numbers were generated from the models in which the Koc values for THPA were used; (3) APF and THPA water numbers were generated from the adsorption/desorption studies; and (4) the initial residue levels for the parent and its degradates used in the models were based on the 30-day results of the hydrolysis study .  Due to the rapid hydrolysis rate of the parent compound, EFED acknowledged the difficulty in obtaining adsorption coefficients from the batch equilibrium study.  Due to the rapid dissipating of flumioxazin in the environment, EFED is not concerned about the parent compound.   Results at pH 7 are presented below:

Peak Conc. in Surface Water

Conc. in Groundwater

Flumioxazin

1.03 ppb

negligible

482-HA

6.87 ppb

45.27 ppb

APF

26.46 ppb

 2.66 ppb

THPA

27.67 ppb

182.28 ppb

Should the results of this assessment need further refinement, please contact us as soon as possible so that we may schedule a Tier II assessment.

Water Resource Assessment tc \l2 "Water Resource Assessment

Flumioxazin is unlikely to contaminate surface water and groundwater.  However, its hydrolysis degradates (482-HA, APF, and THPA) are more persistent and mobile and they tend to reach surface water and groundwater at much higher concentrations.  Fate studies show that flumioxazin is relative mobile (average Koc = 557, note: Koc values were estimated from a column leaching study), but non-persistent (hydrolysis half-life at pH 7 = 1 day; aqueous photolysis half-life at pH 5 = 1 day; soil aerobic metabolism half life = 14.7 days; aquatic anaerobic metabolism half-life = 0.2 days).   Since hydrolysis appears to be the major route of dissipation in the environment, EFED used the residue levels detected at the end of hydrolysis as the input parameters for modeling.  Table 1 listed the degradates identified and their relative concentrations from the hydrolysis study.  Based on the relative concentrations presented in Table 1 and the application rate of the parent, the worst residue levels that could be found on the soil surface were estimated (see Table 2).

Table 1.  Percentages of the applied radioactivity identified at the end of 30-day hydrolysis study

Compound

pH 5

pH 7

pH 9

% of the applied

Flumioxazin

negligible

  4.7

negligible

482-HA

negligible

  9.3

97.3

APF

83.6

80.0

negligible

THPA

95.4

83.6

negligible

Table 2.  Maximum amounts of flumioxazin and its degradates expected to be on the soil surface after flumioxazin was applied at the maximum rate of 0.383 lb ai/A/application (two applications per year with an application interval of 30-60 days).

Compound

pH 5

pH 7

pH 9

lbs ai/A/application

Flumioxazin

negligible

0.019

negligible

482-HA

negligible

0.038

0.391

APF

0.199

0.192

negligible

THPA

0.176

0.153

negligible

The FIRST and SCI-GROW models were used to estimate the concentrations of this chemical and  its degradates in surface water and groundwater, respectively.  These values represent upper-bound estimates of the concentrations that might be found in surface water and groundwater due to the use of flumioxazin at the maximum application rate.  Tables 3 and 4 listed the residue concentrations in the surface water and groundwater, respectively.

Table 3.  Surface water estimated environmental peak concentrations for flumioxazin and its major degradates in various pH.

pH 5

pH 7

pH 9

Flumioxazin

negligible

1.03 ppb

negligible

482-HA

negligible

6.87 ppb

70.71 ppb

APF

27.43 ppb

26.46 ppb

negligible

THPA

31.83 ppb

27.67 ppb

negligible

Table 4.  Groundwater estimated environmental concentrations for flumioxazin and its major degradates in various pH.

pH 5

pH 7

pH 9

Flumioxazin

negligible

negligible

negligible

482-HA

negligible

45.27 ppb

465.82 ppb

APF

 2.76 ppb

 2.66 ppb

negligible

THPA

209.68 ppb

182.28 ppb

negligible

Surface Water and Groundwater Input Parameters tc \l3 "Surface Water and Groundwater Input Parameters

Surface water concentrations of flumioxazin were estimated with FIRST.  The estimates made with FIRST are intended here to represent drinking water sources with significant turnover such that there is no year-to-year accumulation.  Ground water concentrations were predicted with SCI-GROW.  Input parameters for FIRST and SCI-GROW at pH 7 (Tables 5-8) were selected according to current EFED guidance.  The application rates for flumioxazin for pH 5 and 9 can be found in Table 2.  It should be noted that the worst cases were assumed for those input parameters which no information were available (such as APF was assumed to be very stable under aerobic soil metabolism conditions with a half-life of 999 days).  Since the intended use of FIRST in this particular simulation is only to represent a water body with significant water turnover, only the peak concentration has physical significance.  The averaged concentrations reported in Appendix 1 do not account for the turnover and thus are less physically meaningful.  The SCI-GROW output file is located in Appendix 2.

 Table 5. FIRST and SCI-GROW input parameters for flumioxazin at pH 7.

Parameter

FIRST Values

SCI-GROW Values

Application number per year

2

2

Application rate

 0.019 lb ai/acre

 0.019 lb ai/acre

Application type

aerial

pH 7 Hydrolysis half life

1 day

1 day

Photolysis half life

1 day

n/a

Aerobic soil metabolism half life

23.4

14.7 days (mean value)

Aerobic aquatic half life

n/a

n/a

Solubility

1.8 ppm

n/a

Koc*

656

112

* Koc was estimated from a column leaching study instead of the adsorption study.  Due to the rapid hydrolysis rate of the parent compound, EFED acknowledged the difficulty in obtaining adsorption coefficients from the batch equilibrium study.

Table 6. FIRST and SCI-GROW input parameters for 482-HA at pH 7.

Parameter

FIRST Values

SCI-GROW Values

Application number per year

2

2

Application rate

 0.038 lb ai/acre

 0.038 lb ai/acre

Application type

aerial

pH 7 Hydrolysis half life

stable

stable

Photolysis half life

stable

n/a

Aerobic soil metabolism half life

stable

stable

Aerobic aquatic half life

stable

n/a

Solubility*

10,000 ppm

n/a

Koc**

13

13

*   No water solubility is available so 10,000 ppm was assumed.

** Koc for THPA was used for 482-HA

Table 7. FIRST and SCI-GROW input parameters for APF at pH 7.

Parameter

FIRST Values

SCI-GROW Values

Application number per year

2

2

Application rate

 0.192 lb ai/acre

 0.192 lb ai/acre

Application type

aerial

pH 7 Hydrolysis half life

stable

stable

Photolysis half life

stable

n/a

Aerobic soil metabolism half life

stable

stable

Aerobic aquatic half life

stable

n/a

Solubility*

10,000 ppm

n/a

Koc

201

201

*   No water solubility is available so 10,000 ppm was assumed.

Table 8. FIRST and SCI-GROW input parameters for THPA at pH 7.

Parameter

FIRST Values

SCI-GROW Values

Application number per year

2

2

Application rate

 0.153 lb ai/acre

 0.153 lb ai/acre

Application type

aerial

pH 7 Hydrolysis half life

stable

stable

Photolysis half life

stable

n/a

Aerobic soil metabolism half life

stable

stable

Aerobic aquatic half life

stable

n/a

Solubility*

10,000 ppm

n/a

Koc

13

13

*   No water solubility is available so 10,000 ppm was assumed.

Drinking Water Recommendations

EFED has recommended that the Health Effects Division use the concentrations presented in Table 9 for drinking water EECs.

Table 9.  Estimated EECs for flumioxazin and its degradates in surface water and groundwater at pH 7.

Compound

Average 56-Day Conc. in  Surface Water

Peak Conc. in Surface Water

Conc. in Groundwater

Flumioxazin

negligible

1.03 ppb

negligible

482-HA

4.84 ppb

6.87 ppb

45.27 ppb

APF

12.85 ppb

26.46 ppb

 2.66 ppb

THPA

19.50 ppb

27.67 ppb

182.28 ppb

Appendix 1: FIRST for Environmental Fate Assessment

Background Information on FIRST:

FIRST is a new screening model designed to estimate the pesticide concentrations found in water for use in drinking water assessments.  It provides high-end values on the concentrations that might be found in a small drinking water reservoir due to the use of pesticide.  Like GENEEC, the model previously used for Tier I screening level, FIRST is a single-event model (one run-off event), but can account for spray drift from multiple applications.  FIRST uses a Drinking Water Reservoir instead of a pond as the standard scenario.  The FIRST scenario includes a 427 acres field immediately adjacent to a 13 acres reservoir,  9 feet deep, with continuous flow (two turnovers per year).  The pond receives a spray drift event from each application plus one runoff event.  The runoff event moves a maximum of 8% of the applied pesticide into the pond.  This amount can be reduced due to degradation on field and the effect of binding to soil.  Spray drift is equal to 6.4% of the applied concentration from the ground spray application and 16% for aerial applications.

FIRST also makes adjustments for the percent crop area. While FIRST assumes that the entire watershed would not be treated, the use of a PCA is still a screen because it represents the highest percentage of crop cover of any large watershed in the US, and it assumes that the entire crop is being treated.  Various other conservative assumptions of FIRST include the use of a small drinking water reservoir surrounded by a runoff-prone watershed, the use of the maximum use rate, no buffer zone, and a single large rainfall.

FIRST Results at various pHs:

PH 5

   RUN No.  11 FOR APF              ON   Christmas tree   * INPUT VALUES *

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

    RATE (#/AC)   No.APPS &     SOIL  SOLUBIL  APPL TYPE      %CROPPED  INCORP

     ONE(MULT)   INTERVAL    Koc    (PPM )       (%DRIFT)          AREA            (IN)

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

   .199(   .398)       2          30        201.0  10000.0      AERIAL(16.0)   87.0                .0

   FIELD AND RESERVOIR HALFLIFE VALUES (DAYS)

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

   METABOLIC  DAYS UNTIL     HYDROLYSIS   PHOTOLYSIS   METABOLIC  COMBINED

    (FIELD)          RAIN/RUNOFF   (RESERVOIR)   (RES.-EFF)        (RESER.)         (RESER.)

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

    .00                   2       N/A             .00-                     .00                      .00                     .00

   UNTREATED WATER CONC (MICROGRAMS/LITER (PPB))    Ver 1.0 AUG 1, 2001

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

        PEAK DAY  (ACUTE)      ANNUAL AVERAGE (CHRONIC)

        CONCENTRATION        CONCENTRATION

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

             27.426                                       13.322

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

pH 5

   RUN No.   2 FOR THPA             ON   Christmas tree   * INPUT VALUES *

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

    RATE (#/AC)   No.APPS &     SOIL  SOLUBIL  APPL TYPE      %CROPPED  INCORP

     ONE(MULT)   INTERVAL    Koc    (PPM )       (%DRIFT)          AREA            (IN)

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

   .176(   .352)       2     30             13.0   10000.0      AERIAL(16.0)   87.0                  .0

   FIELD AND RESERVOIR HALFLIFE VALUES (DAYS)

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

   METABOLIC  DAYS UNTIL     HYDROLYSIS   PHOTOLYSIS   METABOLIC  COMBINED

    (FIELD)          RAIN/RUNOFF   (RESERVOIR)   (RES.-EFF)        (RESER.)         (RESER.)

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

   .00                    2     N/A                .00-                    .00                      .00                    .00

   UNTREATED WATER CONC (MICROGRAMS/LITER (PPB))    Ver 1.0 AUG 1, 2001

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

        PEAK DAY  (ACUTE)      ANNUAL AVERAGE (CHRONIC)

        CONCENTRATION          CONCENTRATION

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

             31.830                                  22.436

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

pH 7

   RUN No.   3 FOR Flumioxazin      ON   Christmas tree   * INPUT VALUES *

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

    RATE (#/AC)   No.APPS &     SOIL  SOLUBIL  APPL TYPE      %CROPPED  INCORP

     ONE(MULT)   INTERVAL    Koc    (PPM )       (%DRIFT)          AREA            (IN)

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

   .019(   .027)       2    30              656.0   1.8             AERIAL(16.0)    87.0               .0

   FIELD AND RESERVOIR HALFLIFE VALUES (DAYS)

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

   METABOLIC  DAYS UNTIL     HYDROLYSIS   PHOTOLYSIS   METABOLIC  COMBINED

    (FIELD)          RAIN/RUNOFF   (RESERVOIR)   (RES.-EFF)        (RESER.)         (RESER.)

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

     23.40               2                          1.00                     1.00-  124.00     .00                    .99

   UNTREATED WATER CONC (MICROGRAMS/LITER (PPB))    Ver 1.0 AUG 1, 2001

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

        PEAK DAY  (ACUTE)      ANNUAL AVERAGE (CHRONIC)

          CONCENTRATION             CONCENTRATION

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

              1.034                                      .004

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

pH 7

   RUN No.   4 FOR 482-HA           ON   Christmas tree    * INPUT VALUES *

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

    RATE (#/AC)   No.APPS &     SOIL  SOLUBIL  APPL TYPE      %CROPPED  INCORP

    ONE(MULT)    INTERVAL    Koc    (PPM )       (%DRIFT)          AREA            (IN)

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

  .038(   .076)        2     30             13.0   10000.0      AERIAL(16.0)    87.0                .0

   FIELD AND RESERVOIR HALFLIFE VALUES (DAYS)

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

   METABOLIC  DAYS UNTIL     HYDROLYSIS   PHOTOLYSIS   METABOLIC  COMBINED

    (FIELD)          RAIN/RUNOFF   (RESERVOIR)   (RES.-EFF)        (RESER.)         (RESER.)

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

           .00            2          N/A          .00-                      .00                      .00                    .00

   UNTREATED WATER CONC (MICROGRAMS/LITER (PPB))    Ver 1.0 AUG 1, 2001

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

        PEAK DAY  (ACUTE)      ANNUAL AVERAGE (CHRONIC)

          CONCENTRATION             CONCENTRATION

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

              6.872                      4.844

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

pH 7

   RUN No.   4 FOR APF           ON   Christmas tree    * INPUT VALUES *

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

    RATE (#/AC)   No.APPS &     SOIL  SOLUBIL  APPL TYPE      %CROPPED  INCORP

    ONE(MULT)    INTERVAL    Koc    (PPM )       (%DRIFT)          AREA            (IN)

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

   .192(   .384)         2  30              201.0  10000.0      AERIAL(16.0)   87.0                .0

   FIELD AND RESERVOIR HALFLIFE VALUES (DAYS)

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

   METABOLIC  DAYS UNTIL     HYDROLYSIS   PHOTOLYSIS   METABOLIC  COMBINED

    (FIELD)          RAIN/RUNOFF   (RESERVOIR)   (RES.-EFF)        (RESER.)         (RESER.)

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

       .00                  2          N/A         .00-                    .00                      .00                     .00

   UNTREATED WATER CONC (MICROGRAMS/LITER (PPB))    Ver 1.0 AUG 1, 2001

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

        PEAK DAY  (ACUTE)      ANNUAL AVERAGE (CHRONIC)

          CONCENTRATION             CONCENTRATION

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

             26.461                                    12.854

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

pH 7

   RUN No.   6 FOR THPA             ON   Christmas tree     * INPUT VALUES *

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

    RATE (#/AC)   No.APPS &     SOIL  SOLUBIL  APPL TYPE      %CROPPED  INCORP

    ONE(MULT)    INTERVAL    Koc    (PPM )       (%DRIFT)          AREA            (IN)

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

   .153(   .306)       2  30                13.0   10000.0       AERIAL(16.0)   87.0                .0

   FIELD AND RESERVOIR HALFLIFE VALUES (DAYS)

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

   METABOLIC  DAYS UNTIL     HYDROLYSIS   PHOTOLYSIS   METABOLIC  COMBINED

    (FIELD)          RAIN/RUNOFF   (RESERVOIR)   (RES.-EFF)        (RESER.)         (RESER.)

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

       .00                2      N/A             .00 -                    .00                       .00                     .00

   UNTREATED WATER CONC (MICROGRAMS/LITER (PPB))    Ver 1.0 AUG 1, 2001

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

        PEAK DAY  (ACUTE)      ANNUAL AVERAGE (CHRONIC)

          CONCENTRATION             CONCENTRATION

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

             27.670                     19.504

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

pH 9

   RUN No.   7 FOR 482-HA           ON   Christmas tree    * INPUT VALUES *

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

    RATE (#/AC)   No.APPS &     SOIL  SOLUBIL  APPL TYPE      %CROPPED  INCORP

    ONE(MULT)    INTERVAL    Koc    (PPM )       (%DRIFT)          AREA            (IN)

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

   .391(   .782)        2    30             13.0   10000.0      AERIAL(16.0)    87.0               .0

   FIELD AND RESERVOIR HALFLIFE VALUES (DAYS)

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

   METABOLIC  DAYS UNTIL     HYDROLYSIS   PHOTOLYSIS   METABOLIC  COMBINED

    (FIELD)          RAIN/RUNOFF   (RESERVOIR)   (RES.-EFF)        (RESER.)         (RESER.)

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

       .00                2      N/A              .00-                     .00                      .00                    .00

   UNTREATED WATER CONC (MICROGRAMS/LITER (PPB))    Ver 1.0 AUG 1, 2001

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

        PEAK DAY  (ACUTE)      ANNUAL AVERAGE (CHRONIC)

          CONCENTRATION             CONCENTRATION

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

             70.713                                      49.843

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

Appendix 2:  SCI-ROW for Environmental Fate Assessment

Background Information on SCI-GROW:

SCI-GROW provides a ground water screening exposure value to be used in determining the potential risk to human health from drinking water contaminated with the pesticide. Since the SCI-GROW concentrations are likely to be approached in only a very small percentage of drinking water sources, i.e., highly vulnerable aquifers, it is not appropriate to use SCI-GROW concentrations for national or regional exposure estimates.

SCI-GROW estimates likely ground water concentrations if the pesticide is used at the maximum allowable rate in areas where ground water is exceptionally vulnerable to contamination. In most cases, a large majority of the use area will have ground water that is less vulnerable to contamination that the areas used to derive the SCI-GROW estimate.

SCI-GROW Results at pH 5

VERSION 2.2: NOVEMBER 1, 2001

   RUN No.  11 FOR APF                 ** INPUT VALUES **

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

    APP RATE   APPS/   TOTAL/     SOIL   AEROBIC SOIL METAB

    (LBS/AC)     YEAR    SEASON   KOC    HALFLIFE (DAYS)

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

       .199             2            .398           201.0          999.00

   GROUND-WATER SCREENING CONCENTRATION (IN UG/L - PPB)

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

                           2.756142

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

   RUN No.  12 FOR THPA                  ** INPUT VALUES **

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

    APP RATE   APPS/   TOTAL/     SOIL   AEROBIC SOIL METAB

    (LBS/AC)     YEAR    SEASON   KOC    HALFLIFE (DAYS)

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

       .176               2           .352          13.0               999.00

   GROUND-WATER SCREENING CONCENTRATION (IN UG/L - PPB)

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

                         209.676900

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

 SCIGROW Results at pH 7 :

   RUN No.   1 FOR flumioxazin         ** INPUT VALUES **

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

    APP RATE   APPS/   TOTAL/     SOIL   AEROBIC SOIL METAB

    (LBS/AC)     YEAR    SEASON   KOC     HALFLIFE (DAYS)

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

       .019                2           .038         112.0              14.70

   GROUND-WATER SCREENING CONCENTRATION (IN UG/L - PPB)

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

                            .00317

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

   RUN No.   2 FOR 482-HA              ** INPUT VALUES **

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

    APP RATE   APPS/   TOTAL/     SOIL   AEROBIC SOIL METAB

    (LBS/AC)     YEAR    SEASON   KOC    HALFLIFE (DAYS)

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

       .038                2           .076         13.0             999.00

   GROUND-WATER SCREENING CONCENTRATION (IN UG/L - PPB)

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

                          45.271150

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

   RUN No.   3 FOR APF                 ** INPUT VALUES **

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

    APP RATE   APPS/   TOTAL/     SOIL   AEROBIC SOIL METAB

    (LBS/AC)     YEAR    SEASON   KOC    HALFLIFE (DAYS)

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

       .192               2            .384        201.0            999.00

   GROUND-WATER SCREENING CONCENTRATION (IN UG/L - PPB)

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

                           2.659193

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

   RUN No.   4 FOR THPA                ** INPUT VALUES **

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

    APP RATE   APPS/   TOTAL/     SOIL   AEROBIC SOIL METAB

    (LBS/AC)     YEAR    SEASON   KOC    HALFLIFE (DAYS)

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

       .153               2           .306         13.0           999.00

   GROUND-WATER SCREENING CONCENTRATION (IN UG/L - PPB)

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

                         182.275900

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

SCI-GROW Results at pH 9

RUN No.  21 FOR 482-HA              ** INPUT VALUES **

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

    APP RATE   APPS/   TOTAL/     SOIL   AEROBIC SOIL METAB

    (LBS/AC)     YEAR    SEASON   KOC    HALFLIFE (DAYS)

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

       .391               2           .782          13.0                 999.00

   GROUND-WATER SCREENING CONCENTRATION (IN UG/L - PPB)

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

                         465.816300

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

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