Historical
BS EN ISO 6644:2007
Flowing cereals and milled cereal products. Automatic sampling by mechanical means (British Standard)
ISO 6644:2002 specifies requirements for the automatic sampling, by mechanical means, of cereals (as grain) or of milled cereal products moving in bulk, for assessment of their quality.
It is not applicable to commodities in sacks or in packages, to static bulks in wagons, ships, bulk tankers, silos or warehouses. It does not apply to seed grain.
British Standards Institution [bsi]