United States. Environmental Protection Agency. Office of Water Enforcement and Permits. (1985). NPDES self-monitoring system: User guide. Office of Water, Office of Water Enforcement and Permits, U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water Enforcement and Permits. NPDES Self-monitoring System: User Guide. Washington, D.C.: Office of Water, Office of Water Enforcement and Permits, U.S. Environmental Protection Agency, 1985.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water Enforcement and Permits. NPDES Self-monitoring System: User Guide. Office of Water, Office of Water Enforcement and Permits, U.S. Environmental Protection Agency, 1985.
Warning: These citations may not always be 100% accurate.