China Standard: Paddy Storage Quality Control Index

State Grain Reserve Administration and the State Bureau of Quality and Technical Supervision jointly issued 《Criterion Rules of Grain and Oil Storage Quality》， which set the quality control index of storage grain.

Quality Control Index of Grain Storage

In the above stipulation: Accord with the provisions of "suitable for storage", can continue to store; Accord with provision of “ unsuitable for further storage ”, need turn exchange”; Accord with the provision of “aging”, is not suitable as grain ration to eat.

These regulations are applicable to the non-pollution grain in the condition of normal storage in safe water conditions. In these stipulations, as long as there is an index is judged as "unsuitable for storage", it can be determined that the variety is not suitable for storage.