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Incident Report

Subform I: General Information

1. Report Type.

New incident report

Incident Report Number: 2011-4340

2. Registrant Information.

Registrant Reference Number: WL-2010-381

Registrant Name (Full Legal Name no abbreviations): Monsanto Canada Inc.

Address: 180 Kent Street, Suite 810

City: Ottawa

Prov / State: ON

Country: Canada

Postal Code: K1P 0B6

3. Select the appropriate subform(s) for the incident.

Scientific Study

4. Date registrant was first informed of the incident.

5. Location of incident.

6. Date incident was first observed.

Product Description

7. a) Provide the active ingredient and, if available, the registration number and product name (include all tank mixes). If the product is not registered provide a submission number.

PMRA Registration No. 25825      PMRA Submission No.       EPA Registration No.

Product Name: Sulfosulfuron

• Active Ingredient(s)
  • SULFOSULFURON

7. b) Type of formulation.

Application Information

8. Product was applied?

Unknown

9. Application Rate.

10. Site pesticide was applied to (select all that apply).

11. Provide any additional information regarding application (how it was applied, amount applied, the size of the area treated etc).

To be determined by Registrant

12. In your opinion, was the product used according to the label instructions?

Unknown

Subform VII: Scientific Study

1. Study Reference

Title A 96-Hour Toxicity Test with the Freshwater Alga (Pseudokirchneriella subcapitata).

Date 22-AUG-11

2. a) Is an extension needed to translate the document?

No

3. Type of incident identified in the study

Increased health or environmental risk

4. Describe the incident identified in the study (e.g. study demonstrates an increased risk to non-Hodgkin's Lymphoma after exposure to pesticide X)

As a result of this new study, a lower toxicity endpoint was obtained.

5. a) Was the study discontinued before completion?

No

5. b) Provide the reason for discontinuation

6. If the study is ongoing, what is the expected completion date?

03-OCT-14

For Registrant use only

7. Provide supplemental information here

Although the toxicity endpoints in the new study is lower than the previous acute toxicity study, the impact of this result is minimal due to the margin of safety obtained using conservative exposure values.