Wheat – Chapter 4
Official Grain Grading Guide

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Export grade determinant tables

Wheat, Canada Western Red Spring (CWRS)

Column	1
Grade Name	Broken grain through #5 buckwheat sieve
	Ex Primary %	Ex Terminal %	Ex Transfer %
No. 1 CWRS	0.3	0.35	0.5
No. 2 CWRS	0.3	0.35	0.5
No. 3 CWRS	0.3	0.35	0.5
No. 4 CWRS	0.3	0.35	0.5
CW Feed	0.5	0.5	0.5

Column	Foreign Material							*9 (1+2+4+6+7)
	2	3	4	*5 (2+3+4)	6	7	*8 (2+6+7)
Grade Name	Small seeds %	Attrition %	Roughage %	Total small seeds, attrition and roughage %	Large seeds %	Wild oats %	Total small seeds, large seeds and wild oats %	Total small seeds, large seeds, wild oats, roughage and broken grain through #5 buckwheat sieve %
No. 1 CWRS	0.05	0.10	0.05	0.1	0.2	0.05	0.2	0.5
No. 2 CWRS	0.05	0.10	0.05	0.1	0.2	0.05	0.2	0.5
No. 3 CWRS	0.05	0.10	0.05	0.1	0.2	0.05	0.2	0.5
No. 4 CWRS	0.05	0.10	0.05	0.1	0.2	0.05	0.2	0.5
CW Feed	0.05	0.10	0.1	0.1	0.5	0.1	0.5	0.5

Column	Foreign Material
	10	11	12	13	14	*15 (2+3+4+6+7 +10+11+12+13+14)
Grade name	Stones %	Mineral matter including stones %	Ergot %	Sclerotinia %	Other cereal grains and other matter %	Total foreign material %
No. 1 CWRS	0.03	0.06	0.01	0.01	0.4	0.4
No. 2 CWRS	0.03	0.10	0.02	0.02	0.75	0.75
No. 3 CWRS	0.06	0.10	0.04	0.04	1.25	1.25
No. 4 CWRS	0.06	0.10	0.04	0.04	2.4	2.4
CW Feed	0.1	0.25	0.1	0.1	5	5

* Columns which represent a subtotal of other columns show the columns to be added in parenthesis.

Columns 1 through 9 refer to factors which are assessed in determining commercial cleanliness.

Total foreign material does not include broken wheat passing through the #5 buckwheat sieve

Grade name	Minimum test weight kg/hl (g/0.5 L)	Wheats of other classes or varieties		Minimum hard vitreous kernels %	Sprouted
		Contrasting classes %	Total %		Severely sprouted %	Total %
No. 1 CWRS	79 (385)	0.5	1.5	65	0.10	0.5
No. 2 CWRS	77.5 (378)	1.5	3	No minimum	0.20	1.0
No. 3 CWRS	76.5 (373)	2.5	5	No minimum	0.30	3.0
No. 4 CWRS	75 (365)	2.5	5	No minimum	0.50	5
CW Feed	73 (355)	No limit – but not more than 10% amber durum		No minimum	No limit	No limit

Grade name	Heated		Shrunken and broken (**)
	Binburnt, severely mildewed, rotted, mouldy %	Total %	Shrunken %	Broken %	Total %
No. 1 CWRS	0.005	0.05	4	5	7
No. 2 CWRS	0.020	0.4	4	6	8
No. 3 CWRS	0.030	1.0	4	7	9
No. 4 CWRS	0.030	1.0	4	7	9
CW Feed	2.5	2.5	4	13	15

(**) See truncation rule for “Shrunken and Broken”

Wheat, Canada Western Hard White Spring (CWHWS)

Column	1
Grade Name	Broken grain through #5 buckwheat sieve
	Ex Primary %	Ex Terminal %	Ex Transfer %
No. 1 CWHWS	0.3	0.35	0.5
No. 2 CWHWS	0.3	0.35	0.5
No. 3 CWHWS	0.3	0.35	0.5
No. 4 CWHWS	0.3	0.35	0.5
CW Feed	0.5	0.5	0.5

Column	Foreign Material							*9 (1+2+4+6+7)
	2	3	4	*5 (2+3+4)	6	7	*8 (2+6+7)
Grade Name	Small seeds %	Attrition %	Roughage %	Total small seeds, attrition and roughage %	Large seeds %	Wild oats %	Total small seeds, large seeds and wild oats %	Total small seeds, large seeds, wild oats, roughage and broken grain through #5 buckwheat sieve %
No. 1 CWHWS	0.05	0.10	0.05	0.1	0.2	0.05	0.2	0.5
No. 2 CWHWS	0.05	0.10	0.05	0.1	0.2	0.05	0.2	0.5
No. 3 CWHWS	0.05	0.10	0.05	0.1	0.2	0.05	0..2	0.5
No. 4 CWHWS	0.05	0.10	0.05	0.1	0.2	0.05	0..2	0.5
CW Feed	0.05	0.10	0.1	0.1	0.5	0.1	0.5	0.5

Column	Foreign Material
	10	11	12	13	14	*15 (2+3+4+6+7 +10+11+12+13+14)
Grade name	Stones %	Mineral matter including stones %	Ergot %	Sclerotinia %	Other cereal grains and other matter %	Total foreign material %
No. 1 CWHWS	0.03	0.06	0.01	0.01	0.4	0.4
No. 2 CWHWS	0.03	0.10	0.02	0.02	0.75	0.75
No. 3 CWHWS	0.06	0.10	0.04	0.04	1.25	1.25
No. 4 CWHWS	0.06	0.10	0.04	0.04	2.4	2.4
CW Feed	0.1	0.25	0.1	0.1	5	5

* Columns which represent a subtotal of other columns show the columns to be added in parenthesis.

Columns 1 through 9 refer to factors which are assessed in determining commercial cleanliness.

Total foreign material does not include broken wheat passing through the #5 buckwheat sieve.

Grade name	Minimum test weight kg/hl (g/0.5 L)	Wheats of other classes or varieties		Sprouted		Heated		Shrunken and broken (**)
		Contrasting classes %	Total %	Severely sprouted %	Total %	Binburnt, severely mildewed, rotted, mouldy %	Total %	Shrunken %	Broken %	Total %
No. 1 CWHWS	79 (385)	0.5	1.5	0.10	0.5	0.005	0.05	4	5	7
No. 2 CWHWS	77.5 (378)	1.5	3	0.20	1.0	0.020	0.4	4	6	8
No. 3 CWHWS	76.5 (373)	2.5	5	0.30	3.0	0.030	1.0	4	7	9
No. 4 CWHWS	75 (365)	2.5	5	0.50	5	0.030	1.0	4	7	9
CW Feed	73 (355)	No limit–but not more than 10% amber durum		No limit	No limit	2.5	2.5	4	13	15

( ** ) See truncation rule for “Shrunken and Broken”

Wheat, Canada Western Amber Durum (CWAD)

Column	1
Grade Name	Broken grain through #5 buckwheat sieve
	Ex Primary %	Ex Terminal %	Ex Transfer %
No. 1 CWAD	0.3	0.35	0.5
No. 2 CWAD	0.3	0.35	0.5
No. 3 CWAD	0.3	0.35	0.5
No. 4 CWAD	0.5	0.5	0.5
No. 5 CWAD	0.5	0.5	0.5

Column	Foreign Material							*9 (1+2+4+6+7)
	2	3	4	*5 (2+3+4)	6	7	*8 (2+6+7)
Grade Name	Small seeds %	Attrition %	Roughage %	Total small seeds, attrition and roughage %	Large seeds %	Wild oats %	Total small seeds, large seeds and wild oats %	Total small seeds, large seeds, wild oats, roughage and broken grain through #5 buckwheat sieve %
No. 1 CWAD	0.05	0.10	0.05	0.1	0.2	0.15	0.2	0.5
No. 2 CWAD	0.05	0.10	0.05	0.1	0.2	0.15	0.2	0.5
No. 3 CWAD	0.05	0.10	0.05	0.1	0.2	0.15	0.2	0.5
No. 4 CWAD	0.05	0.10	0.05	0.1	0.2	0.15	0.2	0.5
No. 5 CWAD	0.05	0.10	0.1	0.1	0.5	0.15	0.5	0.5

Column	Foreign Material
	10	11	12	13	14	*15 (2+3+4+6+7 +10+11+12+13+14)
Grade name	Stones %	Mineral matter including stones %	Ergot %	Sclerotinia %	Other cereal grains and other matter %	Total foreign material %
No. 1 CWAD	0.03	0.06	0.01	0.01	0.5	0.5
No. 2 CWAD	0.03	0.10	0.02	0.02	0.8	0.8
No. 3 CWAD	0.06	0.10	0.04	0.04	1.0	1.0
No. 4 CWAD	0.06	0.10	0.04	0.04	3.0	3.0
No. 5 CWAD	0.1	0.25	0.1	0.1	5	5

* Columns which represent a subtotal of other columns show the columns to be added in parenthesis.

Columns 1 through 9 refer to factors which are assessed in determining commercial cleanliness.

Total foreign material does not include broken wheat passing through the #5 buckwheat sieve.

Grade name	Minimum test weight kg/hl (g/0.5 L)	Wheats of other classes or varieties		Minimum hard vitreous kernels %	Sprouted		Heated
		Wheats of other classes %	Total %		Severely sprouted %	Total %	Binburnt, severely mildewed, rotted, mouldy %	Total %
No. 1 CWAD	80 (392)	2.0	3	80	0.10	0.5	0.005	0.05
No. 2 CWAD	79.5 (390)	2.5	5	60	0.20	2	0.010	0.1
No. 3 CWAD	78 (382)	3.5	7	40	8	8	0.20	0.4
No. 4 CWAD	75 (367)	10	15	No minimum	12	12	0.5	1.5
No. 5 CWAD	73 (357)	15	No limit	No minimum	No limit	No limit	5	5

Grade name	Shrunken and broken ( ** )			Smudge and blackpoint
	Shrunken %	Broken %	Total %	Smudge			Total %
				Penetrated %	Red %	Total %
No. 1 CWAD	3	6	7	0.03	0.30	0.30	5
No. 2 CWAD	3	8	9	0.25	1	1	10
No. 3 CWAD	3	10	11	0.5	1	3	20
No. 4 CWAD	3	11	12	Consider overall appearance No limit
No. 5 CWAD	3	13	15

( ** ) See truncation rule for “Shrunken and Broken”.

Wheat, Canada Western Red Winter (CWRW)

Column	1
Grade Name	Broken grain through #5 buckwheat sieve
	Ex Primary %	Ex Terminal %	Ex Transfer %
No. 1 CWRW	0.3	0.35	0.5
No. 2 CWRW	0.3	0.35	0.5
No. 3 CWRW	0.3	0.35	0.5
CW Feed	0.5	0.5	0.5

Column	Foreign Material							*9 (1+2+4+6+7)
	2	3	4	*5 (2+3+4)	6	7	*8 (2+6+7)
Grade Name	Small seeds %	Attrition %	Roughage %	Total small seeds, attrition and roughage %	Large seeds %	Wild oats %	Total small seeds, large seeds and wild oats %	Total small seeds, large seeds, wild oats, roughage and broken grain through #5 buckwheat sieve %
No. 1 CWRW	0.05	0.10	0.05	0.1	0.2	0.1	0.2	0.5
No. 2 CWRW	0.05	0.10	0.05	0.1	0.2	0.1	0.2	0.5
No. 3 CWRW	0.05	0.10	0.05	0.1	0.2	0.1	0.2	0.5
CW Feed	0.05	0.10	0.1	0.1	0.5	0.1	0.5	0.5

Column	Foreign Material
	10	11	12	13	14	*15 (2+3+4+6+7 +10+11+12+13+14)
Grade name	Stones %	Mineral matter including stones %	Ergot %	Sclerotinia %	Other cereal grains and other matter %	Total foreign material %
No. 1 CWRW	0.03	0.06	0.01	0.01	0.4	0.4
No. 2 CWRW	0.06	0.10	0.02	0.02	0.7	0.7
No. 3 CWRW	0.06	0.10	0.04	0.04	1.3	1.3
CW Feed	0.1	0.25	0.1	0.1	5	5

* Columns which represent a subtotal of other columns show the columns to be added in parenthesis.

Columns 1 through 9 refer to factors which are assessed in determining commercial cleanliness.

Total foreign material does not include broken wheat passing through the #5 buckwheat sieve.

Grade name	Minimum test weight kg/hl (g/0.5 L)	Wheats of other classes or varieties		Sprouted		Heated		Shrunken and broken (**)
		Contrasting classes %	Total %	Severely sprouted %	Total %	Binburnt, severely mildewed, rotted, mouldy %	Total %	Shrunken %	Broken %	Total %
No. 1 CWRW	79 (386)	1.0	3	0.10	0.5	0.005	0.05	3	3	3
No. 2 CWRW	76.5 (373)	2	5	0.20	1.0	0.010	0.1	3	5	5
No. 3 CWRW	74 (373)	3	10	0.30	2.5	0.030	0.5	3	8	8
CW Feed	73 (355)	No limit–but not more than 10% amber durum and/or General Purpose		No limit	No limit	2.5	2.5	4	13	15

(**) See truncation rule for “Shrunken and Broken”

Wheat, Canada Western Soft White Spring (CWSWS)

Column	1
Grade Name	Broken grain through #5 buckwheat sieve
	Ex Primary %	Ex Terminal %	Ex Transfer %
No. 1 CWSWS	0.3	0.35	0.5
No. 2 CWSWS	0.3	0.35	0.5
No. 3 CWSWS	0.3	0.35	0.5
CW Feed	0.5	0.5	0.5

Column	Foreign Material							*9 (1+2+4+6+7)
	2	3	4	*5 (2+3+4)	6	7	*8 (2+6+7)
Grade Name	Small seeds %	Attrition %	Roughage %	Total small seeds, attrition and roughage %	Large seeds %	Wild oats %	Total small seeds, large seeds and wild oats %	Total small seeds, large seeds, wild oats, roughage and broken grain through #5 buckwheat sieve %
No. 1 CWSWS	0.05	0.10	0.05	0.1	0.2	0.05	0.2	0.5
No. 2 CWSWS	0.05	0.10	0.05	0.1	0.2	0.05	0.2	0.5
No. 3 CWSWS	0.05	0.10	0.05	0.1	0.2	0.05	0.2	0.5
CW Feed	0.05	0.10	0.1	0.1	0.5	0.1	0.5	0.5

Column	Foreign Material
	10	11	12	13	14	*15 (2+3+4+6+7 +10+11+12+13+14)
Grade name	Stones %	Mineral matter including stones %	Ergot %	Sclerotinia %	Other cereal grains and other matter %	Total foreign material %
No. 1 CWSWS	0.03	0.06	0.01	0.01	0.75	0.75
No. 2 CWSWS	0.03	0.10	0.02	0.02	1.0	1.0
No. 3 CWSWS	0.06	0.10	0.04	0.04	1.5	1.5
CW Feed	0.1	0.25	0.1	0.1	5	5

* Columns which represent a subtotal of other columns show the columns to be added in parenthesis.

Columns 1 through 9 refer to factors which are assessed in determining commercial cleanliness.

Total foreign material does not include broken wheat passing through the #5 buckwheat sieve.

Grade name	Minimum test weight kg/hl (g/0.5 L)	Wheats of other classes or varieties %	Sprouted		Heated
			Severely sprouted %	Total%	Binburnt, severely mildewed, rotted, mouldy %	Total %
No. 1 CWSWS	78 (380)	1.5	0.10	1	0.005	0.05
No. 2 CWSWS	75.5 (368)	3	0.30	5	0.010	0.1
No. 3 CWSWS	75 (365)	5	0.50	8	0.020	0.4
CW Feed	73 (355)	No limit – but not more than 10% amber durum	No limit	No limit	2.5	2.5

Grade name	Shrunken and broken (**)			Smudge and blackpoint
	Shrunken %	Broken %	Total %	Smudge
				Penetrated %	Total %	Total %
No. 1 CWSWS	3	5	7	0.03	0.30	10
No. 2 CWSWS	3	6	8	0.5	1	15
No. 3 CWSWS	3	7	9	1.0	3	35
CW Feed	4	13	15	No limit	No limit	No limit

( ** ) See truncation rule for “Shrunken and Broken”.

Wheat, Canada Western Extra Strong (CWES)

Column	1
Grade Name	Broken grain through #5 buckwheat sieve
	Ex Primary %	Ex Terminal %	Ex Transfer %
No. 1 CWES	0.3	0.35	0.5
No. 2 CWES	0.3	0.35	0.5
CW Feed	0.5	0.5	0.5

Column	Foreign Material							*9 (1+2+4+6+7)
	2	3	4	*5 (2+3+4)	6	7	*8 (2+6+7)
Grade Name	Small seeds %	Attrition %	Roughage %	Total small seeds, attrition and roughage %	Large seeds %	Wild oats %	Total small seeds, large seeds and wild oats %	Total small seeds, large seeds, wild oats, roughage and broken grain through #5 buckwheat sieve %
No. 1 CWES	0.05	0.10	0.05	0.1	0.2	0.10	0.2	0.5
No. 2 CWES	0.05	0.10	0.05	0.1	0.2	0.10	0.2	0.5
CW Feed	0.05	0.10	0.1	0.1	0.5	0.1	0.5	0.5

Column	Foreign Material
	10	11	12	13	14	*15 (2+3+4+6+7 +10+11+12+13+14)
Grade name	Stones %	Mineral matter including stones %	Ergot %	Sclerotinia %	Other cereal grains and other matter %	Total foreign material %
No. 1 CWES	0.03	0.10	0.03	0.03	0.75	0.75
No. 2 CWES	0.06	0.10	0.06	0.06	1.5	1.5
CW Feed	0.1	0.25	0.1	0.1	5	5

* Columns which represent a subtotal of other columns show the columns to be added in parenthesis.

Columns 1 through 9 refer to factors which are assessed in determining commercial cleanliness.

Total foreign material does not include broken wheat passing through the #5 buckwheat sieve.

Grade name	Minimum test weight kg/hl (g/0.5 L)	Wheats of other classes or varieties		Sprouted		Heated		Shrunken and broken (**)
		Contrasting classes %	Total %	Severely sprouted %	Total %	Binburnt, severely mildewed, rotted, mouldy %	Total %	Shrunken %	Broken %	Total %
No. 1 CWES	78 (380)	1.5	3	0.10	0.5	0.005	0.4	3.	7	8
No. 2 CWES	76 (370)	2.5	5	0.30	2	0.010	1.0	3	7	8
CW Feed	73 (355)	No limit–but not more than 10% amber durum		No limit	No limit	2.5	2.5	4	13	15

( ** ) See truncation rule for “Shrunken and Broken”.

Wheat, Canada Prairie Spring Red (CPSR)

Column	1
Grade Name	Broken grain through #5 buckwheat sieve
	Ex Primary %	Ex Terminal %	Ex Transfer %
No. 1 CPSR	0.3	0.35	0.5
No. 2 CPSR	0.3	0.35	0.5
CW Feed	0.5	0.5	0.5

Column	Foreign Material							*9 (1+2+4+6+7)
	2	3	4	*5 (2+3+4)	6	7	*8 (2+6+7)
Grade Name	Small seeds %	Attrition %	Roughage %	Total small seeds, attrition and roughage %	Large seeds %	Wild oats %	Total small seeds, large seeds and wild oats %	Total small seeds, large seeds, wild oats, roughage and broken grain through #5 buckwheat sieve %
No. 1 CPSR	0.05	0.10	0.05	0.1	0.2	0.10	0.2	0.5
No. 2 CPSR	0.05	0.10	0.05	0.1	0.2	0.10	0.2	0.5
CW Feed	0.05	0.10	0.1	0.1	0.5	0.1	0.5	0.5

Column	Foreign Material
	10	11	12	13	14	*15 (2+3+4+6+7 +10+11+12+13+14)
Grade name	Stones %	Mineral matter including stones %	Ergot %	Sclerotinia %	Other cereal grains and other matter %	Total foreign material %
No. 1 CPSR	0.03	0.10	0.03	0.03	0.75	0.75
No. 2 CPSR	0.03	0.10	0.06	0.06	1.5	1.5
CW Feed	0.1	0.25	0.1	0.1	5	5

* Columns which represent a subtotal of other columns show the columns to be added in parenthesis.

Columns 1 through 9 refer to factors which are assessed in determining commercial cleanliness.

Total foreign material does not include broken wheat passing through the #5 buckwheat sieve.

Grade name	Minimum test weight kg/hl (g/0.5 L)	Wheats of other classes or varieties		Sprouted		Heated		Shrunken and broken (**)
		Contrasting classes %	Total %	Severely sprouted %	Total %	Binburnt, severely mildewed, rotted, mouldy %	Total %	Shrunken %	Broken %	Total %
No. 1 CPSR	77 (375)	3	5	0.10	0.5	0.020	0.4	5	6	9
No. 2 CPSR	75 (365)	5	10	0.30	2	0.030	1.0	5	6	9
CW Feed	73 (355)	No limit–but not more than 10% amber durum		No limit	No limit	2.5	2.5	4	13	15

( ** ) See truncation rule for “Shrunken and Broken”.

Wheat, Canada Prairie Spring White (CPSW)

Column	1
Grade Name	Broken grain through #5 buckwheat sieve
	Ex Primary %	Ex Terminal %	Ex Transfer %
No. 1 CPSW	0.3	0.35	0.5
No. 2 CPSW	0.3	0.35	0.5
CW Feed	0.5	0.5	0.5

Column	Foreign Material							*9 (1+2+4+6+7)
	2	3	4	*5 (2+3+4)	6	7	*8 (2+6+7)
Grade Name	Small seeds %	Attrition %	Roughage %	Total small seeds, attrition and roughage %	Large seeds %	Wild oats %	Total small seeds, large seeds and wild oats %	Total small seeds, large seeds, wild oats, roughage and broken grain through #5 buckwheat sieve %
No. 1 CPSW	0.05	0.10	0.05	0.1	0.2	0.10	0.2	0.5
No. 2 CPSW	0.05	0.10	0.05	0.1	0.2	0.10	0.2	0.5
CW Feed	0.05	0.10	0.1	0.1	0.5	0.1	0.5	0.5

Column	Foreign Material
	10	11	12	13	14	*15 (2+3+4+6+7 +10+11+12+13+14)
Grade name	Stones %	Mineral matter including stones %	Ergot %	Sclerotinia %	Other cereal grains and other matter %	Total foreign material %
No. 1 CPSW	0.03	0.10	0.03	0.03	0.75	0.75
No. 2 CPSW	0.03	0.10	0.06	0.06	1.5	1.5
CW Feed	0.1	0.25	0.1	0.1	5	5

* Columns which represent a subtotal of other columns show the columns to be added in parenthesis.

Columns 1 through 9 refer to factors which are assessed in determining commercial cleanliness.

Total foreign material does not include broken wheat passing through the #5 buckwheat sieve.

Grade name	Minimum test weight kg/hl (g/0.5 L)	Wheats of other classes or varieties		Sprouted		Heated		Shrunken and broken (**)
		Contrasting classes %	Total %	Severely sprouted %	Total %	Binburnt, severely mildewed, rotted, mouldy %	Total %	Shrunken %	Broken %	Total %
No. 1 CPSW	77 (375)	3	5	0.10	0.5	0,020	0.4	5	6	9
No. 2 CPSW	75 (365)	5	10	0.30	2	0,030	1.0	5	6	9
CW Feed	73 (355)	No limit–but not more than 10% amber durum		No limit	No limit	2.5	2.5	4	13	15

( ** ) See truncation rule for “Shrunken and Broken”.

Wheat, Canada Western General Purpose (CWGP)

Column	1
Grade Name	Broken grain through #5 buckwheat sieve
	Ex Primary %	Ex Terminal %	Ex Transfer %
No. 1 CWGP	0.5	0.5	0.5
No. 2 CWGP	0.5	0.5	0.5

Column	Foreign Material							*9 (1+2+4+6+7)
	2	3	4	*5 (2+3+4)	6	7	*8 (2+6+7)
Grade Name	Small seeds %	Attrition %	Roughage %	Total small seeds, attrition and roughage %	Large seeds %	Wild oats %	Total small seeds, large seeds and wild oats %	Total small seeds, large seeds, wild oats, roughage and broken grain through #5 buckwheat sieve %
No. 1 CWGP	0.05	0.10	0.1	0.1	0.5	0.1	0.5	0.5
No. 2 CWGP	0.05	0.10	0.1	0.1	0.5	0.1	0.5	0.5

* Columns which represent a subtotal of other columns show the columns to be added in parenthesis.

Columns 1 through 9 refer to factors which are assessed in determining commercial cleanliness.

Total foreign material does not include broken wheat passing through the #5 buckwheat sieve.

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