Definitions for "Micrograms per liter"
A measuring unit for constituents in water. Constituents in water are often measured in very small units. One microgram per liter equals one part per billion.
(ug/l) a measure of the amount of dissolved solids in a solution in terms of micrograms of solid per liter of solution; Equivalent to part per billion in water or 1ug/l=1ppb
one microgram per liter corresponds to one penny in $10,000,000 (same as parts per billion or ppb).