Water discharged from sinks, showers, kitchens or other non-industrial operations, but not from commodes. Also referred to as “gray water.”

The complementary use of a variety of practices to handle solid waste safely and effectively. Techniques include source reduction, recycling, composting, combustion and landfilling.

American Society of Heating, Refrigeration and Air Conditioning Engineers.

The addition of heat to a body of water that may change the ecological balance.

An approach to progress that meets the needs of the present without compromising the ability of future generations to meet their needs.

Practices that would ensure the continued viability of a product or practice well into the future. The most commonly used definition comes from the 1983 United Nations Brundtland Commission. It define [..]

A heavy, smelly gas that can be condensed into a clear liquid; used to make sulfuric acid, bleaching agents, preservatives and refrigerants; a major source of air pollution in industrial areas.

One of three groups of antimicrobials registered by the EPA for public health uses. The EPA considers an antimicrobial to be a sterilizer when it destroys or eliminates all forms of bacteria, viruses, [..]

Flow of air resulting from warm air rising, creating a positive pressure area at the top of a building and negative pressure area at the bottom. This effect can overpower the mechanical system and dis [..]

A building whose occupants experience acute health and/or comfort affects that appear to be linked to time spent therein, but where no specific illness or cause can be identified. Complaints may be lo [..]