Division A.3.7 Packaging and transmission of samples

Each sample shall be placed in a clean, inert sealed opaque plastic bag to prevent loss of moisture and offering adequate protection against any damage or contamination.

The sample must be transferred to the laboratory within 24 hours of sampling and shall be kept cool during transport. If this is not possible the sample shall be deep-frozen within 24 hours and kept frozen (up to a maximum of six weeks).

All additional necessary precautions shall be taken to avoid any change in composition of the sample, which might arise during transportation or storage.