Notes on Herbicides:
Criteria for Ontario Classification of Pesticide Products

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Pub 75: Guide to Weed Control > Notes on Herbicides > Criteria for Ontario Classification of Pesticide Products
Excerpt from Chapter 4, Publication 75, Guide to Weed Control, Order this publication

Table of Contents

  1. Criteria for Ontario Classification of Pesticide Products
  2. Tables on Herbicides and Adjuvants
    • Herbicides Used in Ontario (Table 4-1) (PDF file - 207 kb)
    • Glyphosate Products and Their Registered Uses (Table 4-2) (PDF file - 54 kb)
    • Herbicide Crop Rotation & Soil pH Restrictions (Field Crops) (Table 4-3) (PDF file - 80 kb)
    • Herbicide Crop Rotation & Soil pH Restrictions (Horticultural Crops) (Table 4-4) (PDF - 82 kb)
    • Herbicide Groupings for Ontario (Table 4-5) (PDF file - 23 kb)
    • Interval Before Rainfall (Postemergence) (Table 4-6) (PDF - 49 kb)
    • Adjuvants Used in Ontario (Table 5-1) (PDF file 25 kb)
    • Adjuvant Rates per Sprayer Tank Water Volume (Table 5-2) (PDF file 11 kb)
  3. Other topics on Notes on Herbicides and Adjuvants
  4. Related Links

Criteria for Ontario Classification of Pesticide Products

Sch. Pesticide Category Criteria Sales Outlet Used By
1 Restricted Extremely Toxic, Very Highly Persistent Licensed, Record of Sale

Licensed Applicator, Certified Agriculturist, under Permit Approval
2 Pest Control Industry and Agriculture Very Toxic, Highly Persistent Licensed, Record of Sale Licensed Applicator or Certified Agriculturist
3 Consumer, Pest Control Industry and Agriculture Moderately Toxic, Moderately Persistent Licensed Homeowner, Licensed Applicator and Agriculturist
4 Consumer, Pest Control Industry and Agriculture Slightly Toxic No License Required Homeowner, Licensed Applicator and Agriculturist
5 Agriculture Extremely Toxic, Very Highly Persistent Licensed, Record of Sale Same as Schedule 1 except no permit if Certified Agriculturist or Licensed Applicator
6 Consumer, Pest Control Industry, Commercial and Agriculture Slightly Toxic Licensed (same as Schedule 4 except larger container) Homeowner, Licensed Applicator and Agriculturist

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For more information:
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E-mail: ag.info.omafra@ontario.ca
Author: OMAFRA Staff
Creation Date: 23 May 2006
Last Reviewed: 23 May 2006