After using the Create TOPS interface, the user can move on to utilize other interfaces in the Sample Adequacy tab. Users can check if a stratum is under-sampled by using the Expansion Factors interface. The interface calculates this by dividing the total length of a particular stratum by the total length of sample segments in a stratum. If the number exceeds a maximum of one hundred, the number will appear red to show the stratum is under-sampled. In order to take these actions, the user can locate the  icon on the Sample Adequacy tab and section. 

The Expansion Factors interface has certain elements which allow actions and provide information to the user. These elements are:

Element	Function
Calculate Expansion Factors button	Generates the calculation of the expansion factors.
Caret ()	Expands or collapses stratums.
Caution icon ()	Notifies the user of any expansion factors that exceed the recommended upper bound; displayed in the second column of the table.
Links (ex. )	Indicates the expansion factors that exceed the recommended upper boundary; opens the Potential Samples interface.