Water quality laws and regulations.
Contributors: Washington (State). Dept. of Ecology.
Publisher: State of Washington, Dept. of Ecology
Published: 1991
Place of publication: [Olympia, Wash.]
Language: eng
Subjects: Water -- Pollution -- Law and legislation -- Washington (State); Water quality -- Washington (State); Water quality management -- Washington (State)
Notes: Cover title.

"89-40 (updated July 1991)"