The basis of categorization is the same as the case of wheat except for incorporating the designation to indicate the intensity of slightly damaged discolored kernels.Designation will be represented by adding 1.2.3.4 to the category as below.The categorization is to be done by the volumetric method in respect of above commodities except for maize here it is by count method.
The following illustration will elucidate how grains are to be categorized and designated :
| Designation | Percentage of slightly damaged/discolored besides touched/damaged and discolored grains |
| 1 | Up to 5 |
| 2 | Above 5 and up to 10 |
| 3 | Above 10 and up to 15 |
| 4 | Above 15 and up to 20 |
The following illustration will elucidate how grains are to be categorized and designated :
A 1 :
Grains with 1% of weeviled and 3% of slightly damaged /discolored and damaged/discolored grains .
B 3 :
Grains with 4% of weeviled and 12% of slightly damaged /discolored and damaged/discolored grains .
C 2 :
Grains with 7% of weeviled and 7% of slightly damaged /discolored and damaged/discolored grains .
D 4 :
Grains with 10% of weeviled and 17% of slightly damaged /discolored and damaged/discolored grains .
The designation should be done at the time of receipt and process repeated at least once in three months.
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