Corn: Primary and export grade determination tables

Chapter 17. Corn (PDF, 766 KB)

Corn, Canada Western Yellow, White or Mixed (CW)

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Download a poster version of the primary and export grade determination table for Corn, Canada Western Yellow, White or Mixed (CW), 61 x 91 cm (24 x 36 in) (PDF, 173 KB)

The colour is added to the grade name.

Corn, Canada Western Yellow, White or Mixed (CW), standard of quality
Grading factor	No. 1 CW	No. 2 CW	No. 3 CW	No. 4 CW	No. 5 CW	Grade, if No. 5 specs not met
Degree of soundness	Cool and sweet, uniform size	Cool and sweet	Cool and sweet	Cool and sweet	May have a slight odour, not sour or musty
Minimum test weight kg/hL (g/0.5 L)	68 (343)	66 (333)	64 (322)	62 (311)	58 (291)	Corn, Sample CW (class) Account Light Weight
Variety	Any variety of corn	Any variety of corn	Any variety of corn	Any variety of corn	Any variety of corn
Other classes %	5	5	5	5	5	Over 5%—Use all other grading criteria and grade as Corn (grade) Mixed

Corn, Canada Western Yellow, White or Mixed (CW), damage
Grading factor	No. 1 CW	No. 2 CW	No. 3 CW	No. 4 CW	No. 5 CW	Grade, if No. 5 specs not met
Heated %	0.1	0.2	0.5	1.0	3.0	Corn, Sample CW (class) Account Heated
Total % Damage	3	5	7	10	15	Corn, Sample CW (class) Account Damaged

Corn, Canada Western Yellow, White or Mixed (CW), foreign material
Grading factor	No. 1 CW	No. 2 CW	No. 3 CW	No. 4 CW	No. 5 CW	Grade, if No. 5 specs not met
Excreta %	0.02	0.02	0.02	0.02	0.02	Corn, Sample CW (class) Account Excreta
Total % Cracked corn and foreign material	2	3	5	7	12	50% or less – Corn Sample CW (class) Account CCFM Over 50% - sample Cracked Corn and Foreign Material
Stones^{Footnote 1} %	0.15	0.15	0.15	0.15	0.15	2.5% or less—Corn, Rejected (grade) (class) Account Stones Over 2.5%—Corn, Sample Salvage
Table 1 Notes Footnote 1 Stones are not included in Total cracked corn and foreign material Return to footnote 1 referrer

Corn, Canada Eastern Yellow, White or Mixed (CE)

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Download a poster version of the primary and export grade determination table for Corn, Canada Eastern Yellow, White or Mixed (CE), 61 x 91 cm (24 x 36 in) (PDF, 173 KB)

The colour is added to the grade name.

Corn, Canada Eastern Yellow, White or Mixed (CE), standard of quality
Grading factor	No. 1 CE	No. 2 CE	No. 3 CE	No. 4 CE	No. 5 CE	Grade, if No. 5 specs not met
Degree of soundness	Cool and sweet, uniform size	Cool and sweet	Cool and sweet	Cool and sweet	May have a slight odour, not sour or musty
Minimum test weight kg/hL (g/0.5 L)	68 (343)	66 (333)	64 (322)	62 (311)	58 (291)	Corn, Sample CE (class) Account Light Weight
Variety	Any variety of corn	Any variety of corn	Any variety of corn	Any variety of corn	Any variety of corn
Other classes %	5	5	5	5	5	Over 5%—Use all other grading criteria and grade as Corn (grade) Mixed

Corn, Canada Eastern Yellow, White or Mixed (CE), damage
Grading factor	No. 1 CE	No. 2 CE	No. 3 CE	No. 4 CE	No. 5 CE	Grade, if No. 5 specs not met
Heated %	0.1	0.2	0.5	1.0	3.0	Corn, Sample CE (class) Account Heated
Total % Damage	3	5	7	10	15	Corn, Sample CE (class) Account Damaged

Corn, Canada Eastern Yellow, White or Mixed (CE), foreign material
Grading factor	No. 1 CE	No. 2 CE	No. 3 CE	No. 4 CE	No. 5 CE	Grade, if No. 5 specs not met
Excreta %	0.02	0.02	0.02	0.02	0.02	Corn, Sample CE (class) Account Excreta
Total % Cracked corn and foreign material	2	3	5	7	12	50% or less – Corn Sample CE (class) Account CCFM Over 50% - sample Cracked Corn and Foreign Material
Stones^{Footnote 1} %	0.15	0.15	0.15	0.15	0.15	2.5% or less—Corn, Sample CE (class) Account Stones Over 2.5%—Corn, Sample Salvage
Table 1 Notes Footnote 1 Stones are not included in Total cracked corn and foreign material Return to footnote 1 referrer