Oats – Chapter 7
Official Grain Grading Guide

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Primary grade determinants tables

Oats, Canada Western (CW)

Grade name	Standard of quality		Hulled and hulless %	Damage
	Minimum test weight kg/hl (g/0.5 L)	Degree of soundness		Fireburnt %	Frost %	Fusarium %	Heated / Rotted %	Total %
No. 1 CW	56 (260)	Good colour, 98% sound groats	6	Nil	0.1	0.1	Nil	2
No. 2 CW	53 (245)	Good colour, 96% sound groats	8	Nil	4	2.0	0.1	4
No. 3 CW	51 (235)	Fair colour, 94% sound groats	20	Nil	6	4	0.5	6
No. 4 CW	48 (220)	92% sound groats	No limit—If sample contains 75% or more of hulless oats, hulless becomes part of the grade name	0.25	No limit. Not included in total damage assessment	6	1	8
Grade, if No. 4 specs not met	Oats, Sample CW Account Light Weight	Oats, Sample CW Account Damage and Foreign Material		Oats, Sample CW Account Fireburnt		Oats, Sample CW Account Fusarium Damaged	Oats, Sample CW Account Heated	Oats, Sample CW Account Damage

Grade name	Foreign material										Total damage and foreign material %
	Other cereal grains and wild oats					Large seeds %	Sclerotinia %	Stones %	Ergot %	Excreta %
	Barley %	Cereal grains other than wheat or barley %	Wheat %	Wild oats %	Total
No. 1 CW	0.75	1	0.75	1	2	0.2	Nil	0.017	Nil	0.005	2
No. 2 CW	1.5	2	1.5	2	4	0.3	0.05	0.066	0.025	0.01	4
No. 3 CW	3	3	3	3	6	0.5	0.05	0.15	0.025	0.02	6
No. 4 CW	8	8	8	8	8	1	0.1	0.15	0.05	0.02	8
Grade, if No. 4 specs not met	See Mixed grain	See Mixed grain	See Mixed grain	50% or less - see mixed grain Over 50% - Mixed Feed Oats	See Mixed grain	Oats, Sample CW Account Admixture	Oats, Sample CW Account Admixture	2.5% or less – Oats, Rejected (grade) Account Stones Over 2.5% – Oats, Sample Salvage	Oats, Sample CW Account Ergot	Oats, Sample CW Account Excreta	Oats, Sample CW Account Damage and Foreign Material

Oats, Canada Eastern (CE)

Grade name	Standard of quality		Hulled and hulless %	Damage
	Minimum test weight kg/hl (g/0.5 L)	Degree of soundness		Fireburnt %	Fusarium %	Heated / Rotted %	Total %
No. 1 CE	51 (235)	Well matured, good natural colour, 97% sound groats	6	Nil	0.1	Nil	0.1
No. 2 CE	49 (225)	Reasonably well matured, reasonably good natural colour, 96% sound groats	8	Nil	2.0	0.1	2
No. 3 CE	46 (210)	Fairly well matured, fair colour, 94% sound groats	20	Nil	4	1.0	4
No. 4 CE	43 (195)	86% sound groats	No limit—If sample contains 75% or more of hulless oats, hulless becomes part of the grade name	0.25	6	3	6
Grade, if No. 4 specs not met	Oats, Sample CE Account Light Weight	Oats, Sample CE Account Damage and Foreign Material		Oats, Sample CE Account Fireburnt	Oats, Sample CE Account Fusarium Damaged	Oats, Sample CE Account Heated	Oats, Sample CE Account Damage

Grade name	Foreign material										Total damage and foreign material %
	Other cereal grains and wild oats					Large seeds %	Sclerotinia %	Stones %	Ergot %	Excreta %
	Barley %	Cereal grains other than wheat or barley %	Wheat %	Wild oats %	Total
No. 1 CE	1	3	1	1	3	0.2	Nil	0.017	Nil	0.005	3
No. 2 CE	2	4	2	2	4	0.3	0.05	0.066	0.05	0.01	4
No. 3 CE	6	6	6	3	6	0.5	0.05	0.15	0.05	0.02	6
No. 4 CE	14	14	14	8	14	1	0.1	0.15	0.1	0.02	14
Grade, if No. 4 specs not met	See Mixed grain	See Mixed grain	See ixed grain	50% or less - see mixe grain Over 50% - Mixed Feed Oats	See Mixed grain	Oats, Sample CE Account Admixture	Oats, Sample CE Account Admixture	2.5% or less – Oats, Sample CE Account Stones Over 2.5% – Oats, Sample Salvage	Oats, Sample CE Account Ergot	Oats, Sample CE Account Excreta	Oats, Sample CE Account Damage and Foreign Material

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