Water and Wastewater Terms Beginning M

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

milligrams per liter (mg/L)

A measure of the concentration by weight of a substance per unit volume in water or wastewater. In reporting the results of water and wastewater analysis, mg/L is preferred to the unit parts per million (ppm), to which it is approximately equivalent.