Air pollution caused by emissions of particulate matter, carbon monoxide, total suspended particulates, and polycyclic organic matter from wood-burning stoves. — Source: Arizona Department of… Read More »Wood-burning-stove Pollution
An area that is saturated by surface or groundwater with vegetation adapted for life under those soil conditions, as swamps, bogs, fens, marshes, and estuaries… Read More »Wetlands
The land area that drains into a stream; the watershed for a major river may encompass a number of smaller watersheds that ultimately combine at… Read More »Watershed
Voluntary partnership of states, tribes, federal land managers, local air agencies and the EPA whose purpose is to understand current and evolving regional air quality… Read More »Water Regional Air Partnership
Any significant accumulation of water — Source: Arizona Department of Environmental Quality
A facility containing a series of tanks, screens, filters, and other processes by which pollutants are removed from water. Most treatments include chlorination to attain… Read More »Wastewater Treatment Plant
The spent or used water from a home, community, farm, or industry that contains dissolved or suspended matter. — Source: Arizona Department of Environmental Quality
An aspect of waste management that involves reducing the amount of waste we produce and minimising the potential harm to human health or the environment… Read More »Waste prevention
Any compound of carbon, excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, and ammonium carbonate, that participate in reactions of radiant energy,… Read More »Volatile Organic Compound
Any substance that evaporates readily. — Source: Arizona Department of Environmental Quality
A measure of how far and how well an observer can see through the atmosphere. — Source: Arizona Department of Environmental Quality
The potential of the atmosphere to disperse airborne pollutants, such as smoke from a prescribed fire. It is based on both the transport winds and… Read More »Ventilation
Any agent (person, animal or microorganism) that carries and transmits an infectious pathogen into another living organism. — Source: Arizona Department of Environmental Quality
Vapor-phase migration of volatile organic compounds or volatile inorganic compounds into occupied buildings from underlying contaminated groundwater or soil. — Source: Arizona Department of Environmental… Read More »Vapor Intrusion
The gas given off by substances that are solids or liquids at ordinary atmospheric pressure and temperatures. — Source: Arizona Department of Environmental Quality
The zone between land surface and the water table within which the moisture content is less than saturation (except in the capillary fringe) and pressure… Read More »Vadose Zone
Spent motor oil from passenger cars and trucks collected at specified locations for recycling. — Source: Arizona Department of Environmental Quality
Any of the following hazardous wastes (batteries, pesticides, mercury-containing equipment and lamps) that are managed under the universal waste requirements of 40 CFR part 273.… Read More »Universal Waste
natural or man-made site that has outstanding universal value and meets at least one of 10 conditions decided by UNESCO, the United Nations Educational, Scientific… Read More »UNESCO
A tank located at least partially underground and designed to hold gasoline or other petroleum products or chemicals. — Source: Arizona Department of Environmental Quality