Primary grade determinants tables Canada Western Hard White Spring (CWHWS) wheat

CWHWS wheat - part 1 of 5
Grade name Standard of quality
Minimum test weight kg/hL (g/0.5 L) Variety Minimum protein% Degree of soundness
number 1 CWHWS 75 (365) Any variety of the class CWHWS designated as such by order of the Commission 10.0 Reasonably well matured, reasonably free from damaged kernels
number 2 CWHWS 75 (365) Any variety of the class CWHWS designated as such by order of the Commission No minimum Fairly well matured, may be moderately bleached or frost-damaged, reasonably free from severely damaged kernels
number 3 CWHWS 72 (350) Any variety of the class CWHWS designated as such by order of the Commission No minimum May be frost-damaged, immature or weather-damaged, moderately free from severely damaged kernels
CW Feed 65 (315) Any class or variety of wheat excluding amber durum and any variety of the class Canada Western Special Purpose No minimum Reasonably sweet, excluded from other grades of wheat on account of damaged kernels
Grade, if specs for CW Feed not met Wheat, Sample CW Account Light Weight      
CWHWS wheat - part 2 of 5
Grade name Foreign material
Ergot % Excreta % Matter other than cereal grains % Sclerotinia % Stones % Total %
number 1 CWHWS 0.04 0.01 0.2 0.04 0.03 0.6
number 2 CWHWS 0.04 0.01 0.3 0.04 0.03 1.2
number 3 CWHWS 0.04 0.01 0.5 0.04 0.06 2.4
CW Feed 0.10 0.03 1.0 0.10 0.10 10.0
Grade, if specs for CW Feed not met Wheat, Sample CW Account Ergot Wheat, Sample CW Account Excreta Wheat, Sample CW Account Admixture Wheat, Sample CW Account Admixture 2.5% or less – Wheat,Rejected grade, Account Stones Over 2.5% – Wheat, Sample Salvage See Mixed grain
CWHWS wheat - part 3 of 5
Grade name Wheats of other classes or varieties Artificial stain, no residue % Dark, immature % Degermed % Fireburnt %
Contrasting classes % Total %
number 1 CWHWS 3.0 3 0.0 1 4 0.0
number 2 CWHWS 3.0 3 0.1 3 7 0.0
number 3 CWHWS 5.0 5 0.1 10 13 0.0
CW Feed 10%, either alone or in combination with each other, of amber durum and any variety of the class Canada Western Special Purpose 2.0 No limit No limit 2.0
Grade, if specs for CW Feed not met Over 10%, either alone or in combination with each other, of amber durum and any variety of the class Canada Western Special Purpose - Wheat, Sample CW Account Admixture Wheat, Sample CW Account Stained Kernels     Wheat, Sample CW Account Fireburnt
CWHWS wheat - part 4 of 5
Grade name Fusarium damage % Grass green % Grasshopper, armyworm % Heated
Binburnt, severely mildewed, rotted, mouldy % Total %
number 1 CWHWS 0.3 0.8 1 0.01 0.1
number 2 CWHWS 0.8 2.0 3 0.02 0.4
number 3 CWHWS 1.5 10.0 6 0.03 1.0
CW Feed 4.0 No limit No limit 2.50 2.5
Grade, if specs for CW Feed not met Wheat, Sample CW Account Fusarium Damage Over 10% – Wheat, Commercial Salvage     Wheat, Sample CW Account Heated
CWHWS wheat - part 5 of 5
Grade name Natural stain % Pink % Sawfly, midge % Shrunken and broken Footnote 1 Smudge and blackpoint Sprouted
Shrunken % Broken % Total % Smudge % Total % Severely sprouted % Total %
number 1 CWHWS 1 2 2 4 5 7 0.3 10 0.1 0.5
number 2 CWHWS 2 5 5 4 6 8 1.0 20 0.2 1.0
number 3 CWHWS 5 10 10 4 7 9 5.0 35 0.3 3.0
CW Feed No limit No limit No limit No limit 13 No limit within broken tolerances No limit No limit No limit No limit
Grade, if specs for CW Feed not met         Sample Broken Grain        
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