Water and Wastewater Terms Beginning E
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
existing source
An industrial discharger that was already in operation when the proposed pretreatment standard for the industrial category was promulgated.
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
An industrial discharger that was already in operation when the proposed pretreatment standard for the industrial category was promulgated.
