Samples can be stored at room temperature for up to one week before being analysed. However, they should always be analysed as soon as possible.
You can use an area measurement that is different from the official one as long as it is the same area (9cm2).
The sampling bags should be stored in a refrigerator. It can withstand shorter periods (2-3 weeks) outside of the refrigerator and without excessive heat.
When samples are taken, store samples at AMBIENT TEMPERATURE and not in refrigerator.
Samples should be analyzed within one week after sampling.
A template of another form could be used as long as it is 9 cm2.