====Notation====

Units are written using superscript, eg. kg m<sup>-3</sup>.

Subscript is used for annotated units, eg. kg<sub>FW</sub> (kilogram fresh weight)

====Units in MERLIN-Expo====

Data is entered and delivered by MERLIN-Expo in [[wp>International System of Units|SI-units]]. 

Contaminant masses in MERLIN-Expo is entered in //mg//. The time unit is //days//.

This means that flows of contaminants are given in //mg day<sup>-1</sup>//.