Home

The Database for the Environment gives you a good overview about all important aspects of our environment.

The Protocol is the documented or standardized procedure or detailed plan to be followed in a test, process, or method. See also Standard Operating Procedure.

A Quality Control Sample is one of any number of test specimens, such as a Proficiency Test or blank, intended to demonstrate that a measurement system or activity is in check.

The acronym SEM may refer to any one of the following: 

In Economics and Management:

  • Single European Market (or internal market), a single market of the European Union

The Sampled Population is the specimens collected or selected from a set location or locations.