1 Institute of Arctic and Alpine Research (INSTAAR), University of Colorado Boulder 2 Institute of Arctic and Alpine Research (INSTAAR), University of Colorado Boulder 3 United States Geological ...

Performance of a standard method depends on the quality of reagents, equipment, commercial and in-house test procedures and labs should ensure they have been validated and shown to be fit for purpose.

An enumerated type specifies a set of related constants as its values. Examples include the days in a week, the standard north/south/east/west compass directions, a currency’s coin denominations, and ...