Official Grain Grading Guide
The Official Grain Grading Guide is a complete reference on the grading of grains, oilseeds and pulses.
Table of contents
Effective August 1, 2016
- List of revisions
- Determining test weight
- Moisture testing
- Specifications for sieves
- Mixed grain
- Canola and rapeseed
- Domestic mustard seed
- Sunflower seed
- Safflower seed
- Experimental grades of wheat
- Sample feed grain
- Standard abbreviations
- Glossary of terms
Did you know?
- The Guide is used by Canadian Grain Commission grain inspectors as a complete reference on the grading of grains, oilseeds and pulses.
- It is reviewed and revised to incorporate changes to grade specifications and tolerance levels recommended by the Western and Eastern grain standards committees and to update definitions and grading procedures.
- For an explanation of grading factors, procedures and technical terms used in the Guide, please consult the glossary.
- The web version of the Official Grain Grading Guide is a document controlled under our International Organization for Standardization (ISO) provisions.
- The web version will be updated as and when changes are made. Copies printed from the web site are not controlled.
- Users of printed copies should be aware that changes may occur without notification.
- Users of printed copies are encouraged to check the web version on a regular basis to ensure they are working with a current version.
- Unless a grain variety has been registered by the Canadian Food Inspection Agency, it is eligible only for the lowest Canada Grain Act grade. For a list of registered varieties and other information related to the registration of plants in Canada, go to the Canadian Food Inspection Agency web site
Download the Official Grain Grading Guide
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