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Rice and grain inspection: sampling, grading and foreign material

How grain-grading procedures can inform commercial checks of rice and other grains, without replacing the buyer's specification or official certification.

01

Use the handbook for the right purpose

The reference handbook describes official grain-grading procedures. It is useful for commercial inspection design, but it is not a universal buyer specification or an official certification basis for Veriquality.

02

Start with a representative lot and sample

Define the grain type, lot identity, production or packing code, quantity, location and documents. The handbook distinguishes an original representative sample from work portions and retained file samples. Sample size and method must be confirmed for the product, contract and destination market rather than copied automatically.

03

Check preliminary condition

Before detailed grading, consider lot uniformity, heating, infestation and odor. For rice and grains, also confirm the agreed approach for moisture, foreign material, damaged or discolored kernels, broken grain, test weight and other product-specific factors.

04

Use controlled methods and suitable equipment

Commercial checks may use clean sampling tools, an approved or validated divider, scales, moisture meters, sieves and visual reference aids where appropriate. Record equipment identity, method, sample portion and any limitation so another reviewer can understand the result.

05

Define the basis before making a conclusion

The handbook requires the basis of determination to be known before testing a factor. Separate visual findings such as foreign material or damage from objective measurements and from laboratory questions such as mycotoxins, residues or microbiology.

06

Apply the reference to buyer decisions

A report can compare the observed sample with the agreed grade, moisture, broken-grain, foreign-material, packaging and quantity requirements. Use CONFORM, NOT CONFORM or PENDING where appropriate, and state clearly that official grading or certification remains with authorised competent bodies.

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