Canadian Grain Commission
Symbol of the Government of Canada

Peas – Chapter 16
Official Grain Grading Guide



Grading

Important definitions

Net weight of sample

The sample after cleaning and removal of dockage is called the cleaned sample. Its weight is the net weight of the sample. Percentages by weight for grading of peas for human consumption refer to percentages of the cleaned sample, or the net weight.

Gross weight of sample

The sample as it arrives is referred to as the uncleaned sample. Its weight is the gross weight of the sample.

Note: Percentages by weight for grading feed peas refer to percentages of the uncleaned sample, or the gross weight.

Hazardous substances in samples

Wear gloves and a mask to handle any samples that you suspect may contain hazardous substances. Hazardous substances are defined in the Regulations as “any pesticide, herbicide, dessicant or inoculant.”

Representative portion sizes for grading

All grading of human consumption peas is done on representative portions divided down from the cleaned sample, using a Boerner-type divider.

All grading of feed peas is done on representative portions divided down from the gross sample, using a Boerner-type divider.

Values in the following table represent a range of recommended portions of samples for grading. Refer to definition of “Representative portion” in the glossary for a complete description of the terms “Minimum”, “Optimum” and “Export”.

Representative portion of peas for grading, grams
Grading factor Minimum Optimum Export
Binburnt 100 250 500
Bleached 50 100 100
Colour working sample working sample working sample
Cracked seed coats 50 100 100
Damage 50 100 100
Ergot 250 500 1000
Excreta working sample working sample working sample
Fireburnt working sample working sample working sample
Foreign material 100 250 500 (Feed Peas – 250)
Heated 100 250 500
Inert material working sample working sample working sample
Insect damage 50 100 100
Insect parts working sample working sample working sample
Marsh spot 50 100 100
Odour working sample working sample working sample
Other damage, marsh spot 50 100 100
Peas of other colours, classes 50 250 250
Pink Peas 50 100 100
Shrivelled 50 100 100
Splits working sample working sample working sample