The abbreviations on this page were originally defined on the United States Environmental Protection Agency website.
W[]
WA: Work Assignment
WADTF: Western Atmospheric Deposition Task Force
WAP: Waste Analysis Plan
WAVE: Water Alliances for Environmental Efficiency
WB: Wet Bulb
WCED: World Commission on Environment and Development
WDROP: Distribution Register of Organic Pollutants in Water
WENDB: Water Enforcement National Data Base
WERL: Water Engineering Research Laboratory
WET: Whole Effluent Toxicity test
WHO: World Health Organization
WHP: Wellhead Protection Program
WHPA: Wellhead Protection Area
WHWT: Water and Hazardous Waste Team
WICEM: World Industry Conference on Environmental Management
WL: Warning Letter; Working Level (radon measurement)
WLA/TMDL: Wasteload Allocation/Total Maximum Daily Load
WLM: Working Level Months
WMO: World Meteorological Organization
WP: Wettable Powder
WPCF: Water Pollution Control Federation
WQS: Water Quality Standard
WRC: Water Resources Council
WRDA: Water Resources Development Act
WRI: World Resources Institute
WS: Work Status
WSF: Water Soluble Fraction
WSRA: Wild and Scenic Rivers Act
WSTB: Water Sciences and Technology Board
WSTP: Wastewater Sewage Treatment Plant
WWEMA: Waste and Wastewater Equipment Manufacturers Association
WWF: World Wildlife Fund
WWTP: Wastewater Treatment Plant
WWTU: Wastewater Treatment Unit