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Descriptors that can be selected when specifying a sample, can be edited by selecting Tools > Lists > Samples > Descriptors. The Descriptors form will be displayed.

 

 

The descriptors that can be used depend on the media type. The media types are soil, groundwater, surface water,  rock, solid, fluid, biological, and air. In addition, there are also data specific media types; such as, MEWS Wastewater. Do not edit the data specific media types.

 

At the top of the form the media type is selected. When a media type is selected the descriptors for that media type are displayed.

 

There can be any number of descriptors for each media type. For each descriptor a level, descriptor, and type are specified. The type of descriptor is selected by clicking n the type column, it can be Normal (text), Lookup, Float, Integer, Date, or Yes/No. If the type is Lookup, a list of lookup values for the descriptor is displayed to the right. Lookup values can be added and removed using the buttons at the top of the form. To edit a lookup value, select it in the list and then click on it again to edit it,.