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Incident Report

Subform I: General Information

1. Report Type.

New incident report

Incident Report Number: 2023-6130

2. Registrant Information.

Registrant Reference Number: M-804849-01-1

Registrant Name (Full Legal Name no abbreviations): Bayer CropScience Inc.

Address: 160 Quarry Park Boulevard SE Suite 130

City: CALGARY

Prov / State: AB

Country: CANADA

Postal Code: T2C 3G3

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. 27422      PMRA Submission No.       EPA Registration No.

Product Name: TRIBUTE SOLO 32 DF HERBICIDE

• Active Ingredient(s)
  • FORAMSULFURON
  • IODOSULFURON-METHYL-SODIUM

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 Isoxadifen-ethyl tech.: Toxicity to zebrafish (Danio rerio) in an early-life stage test

Date 10-FEB-22

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

No

3. Type of incident identified in the study

New health or environmental hazard

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)

In a chronic toxicity study conducted with Zebrafish (Zebra danio), a No Observed Effect Concentration (NOEC; nominal) of 0.016 mg/L based on survival was determined. This value is more than 10 times lower than existing fish acute toxicity value (0.22 mg/L). While this study meets the reportability criteria, aquatic exposure to the safener at levels of toxicological concern are not expected.

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?

For Registrant use only

7. Provide supplemental information here