Registration Decision RD2021-04, Indole-3-butyric acid, Calcium Disodium EDTA hydrate, VNT RTU MFG, and VNT Selective Herbicide Ready-to-Use

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Registration decision statementFootnote 1 for Indole-3-Butyric Acid and Calcium Disodium EDTA Hydrate

Health Canada's Pest Management Regulatory Agency (PMRA), under the authority of the Pest Control Products Act, is granting registration for the sale and use of Intelligro IBA Technical, containing the technical grade active ingredient indole-3-butyric acid, Intelligro Calcium Disodium EDTA Technical, containing the technical grade active ingredient calcium disodium ethylenediaminetetraacetic acid (EDTA) hydrate, the manufacturing concentrate VNT RTU MFG and the end-use product VNT Selective Herbicide Ready-to-Use, containing the technical grade active ingredients indole-3-butyric acid and calcium disodium EDTA hydrate for control of broadleaf weeds and moss on turf.

This decision is consistent with the Proposed Registration Decision PRD2021-01, Indole-3-Butyric Acid, Calcium Disodium EDTA Hydrate, VNT RTU MFG and VNT Selective Herbicide Ready-to-Use, which contains a detailed evaluation of the information submitted in support of this registration. The evaluation found that, under the approved conditions of use, the health and environmental risks and the value of the pest control product(s) are acceptable. Health Canada received no comments on PRD2021-01.

Other information

The relevant test data on which the decision is based (as referenced in PRD2021-01) are available for public inspection, upon application, in the PMRA's Reading Room (located in Ottawa). For more information, please contact the PMRA's Pest Management Information Service by phone (1-800-267-6315) or by e-mail (

Any person may file a notice of objectionFootnote 2 regarding this registration decision within 60 days from the date of publication of this Registration Decision. For more information regarding the basis for objecting (which must be based on scientific grounds), please refer to the Pesticides section of the website (Request a Reconsideration of Decision) or contact the PMRA's Pest Management Information Service.

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