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Consumer Product Safety

Incident Report

Subform I: General Information

1. Report Type.

New incident report

Incident Report Number: 2021-0087

2. Registrant Information.

Registrant Reference Number: M-691190-01-2

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

Address: Suite 200, 160 Quarry Park Blvd S.E.

City: Calgary

Prov / State: Alberta

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.       PMRA Submission No.       EPA Registration No. Unknown

Product Name:

  • Active Ingredient(s)

7. b) Type of formulation.

Application Information

8. Product was applied?


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?


Subform VII: Scientific Study

1. Study Reference

Title Mefenpyr-diethyl TC:Report: Honey Bee (Apis mellifera L.) 22 Day Larval Toxicity Test (Repeated Exposure) - Final Report

Date 04-JUN-20

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


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)

A repeated exposure, larval honey bee (Apis mellifera) toxicity test (OECD No. 239 (2016) was conducted at test concentrations of 81.3 163, 325, 650 and 1300 mg a.i./kg feeding solution (12.5, 25.1, 50.1, 100 and 200 g a.i./bee/day). The Day 22 adult honey bee emergence EC10, EC20 and EC50 values were 97.7, 147 and 271 mg diet, equivalent to 15.0, 22.6 and 41.7 żżżżg a.i./larva development period. Due to the low mefenpry-diethyl content in products, effects are not anticipated following product application in accordance with label instructions

5. a) Was the study discontinued before completion?


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