Introduction to water quality standards
Publisher: U.S. Environmental Protection Agency, Office of Water
Published: 1999
Place of publication: Washington, D.C.
Language: eng
Format: [microform]
Number of pages: 39
Subjects: Water quality; Standards
Notes: Cover title.

Shipping list no.: 2000-0127-M.

"October 1999."

"EPA-823-F-99-020."