Parameter Tree:
EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > SOLIDS > SUSPENDED SOLIDS

Definition:
Particulate matter suspended in the water column, greater than 0.45 micrometers, as distinguished from dissolved solids which are less than 0.45 micrometers.

Reference:
Adapted from: Webster's College Dictionary. 1991. Random House.