Micrograms per liter (µg/L)

What is Micrograms per liter (µg/L)?

Micrograms per liter (µg/L) meaning A unit expressing the concentration of constituents in solution as weight (micrograms) of solute per unit volume (liter) of water; equivalent to one part per billion in most streamwater and ground water. One thousand micrograms per liter equals 1 mg/L.


reference: USGS – National Water-Quality Assessment (NAWQA) Project