Quantity of sample : 1 kilogram
CLEAR : when the sample drawn from the stack is completely from live infestation of either major or minor
pests.
FEW : When the sample drawn from the stack contain living infestation up to 2 minor and or major pests.
HEAVY : When the sample drawn from the stck contain more than 2 minor and or major pests.
Note : Stacks classified as FEW and HEAVY should be fumigated immediately to arrest the infestation.
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