TY  - BOOK
T1  - Catalog of publicationsOffice of Science and Technology.
DA  - [1999]
CY  - Washington, D.C. :
ET  - 1999 ed.
CN  - EP 1.21:
PB  - Office of Science and Technology, U.S. Environmental Protection Agency,
PP  - Washington, D.C. :
PY  - [1999]
N1  - At head of title: United States Environmental Protection Agency, Office of Water.
N1  - Shipping list no.: 99-0927-M.
N1  - "August 1999"--Cover.
N1  - Includes index.
N1  - "EPA-820-B-99-001"--Cover.
ID  - 223536
KW  - Water quality
KW  - Water
TI  - Catalog of publicationsOffice of Science and Technology.
ER  -