Glossary

This list contains terms and their definitions frequently used either in the waste industry or specifically by Waste Management.

Airspace

The projected bank cubic yards (BCY) of the landfill to be filled with waste as determined by survey and/or other engineering techniques.

Baler

A piece of equipment used to compress and form recycled material into bales.

Boiler (Wheelabrator)

A device used to absorb the heat released during the combustion process of burning waste. This combustion produces steam that can be sold or converted into electrical power.

Brownfield Development

EPA defines a brownfield as an “abandoned, idled, or under-used industrial and commercial facility where expansion or redevelopment is complicated by real or perceived environmental contamination.” Waste Management has worked with states, communities and other economic development stakeholders to pursue a number of brownfield development projects across the U.S.

Capping

This is the process of placing the final cover material on the landfill.

Cell

Landfills are constructed in phases (cells) that adjoin one another, separated by a berm to contain leachate within an area. The entire permitted area will be divided into separate cells for construction.

Closed Site (Landfill)

A landfill that has reached its permitted waste capacity and has been permanently capped and certified as closed by the appropriate state regulatory agency.

Closure

The period of time after a landfill has reached its permitted capacity but before it has received certification of closure from a state regulatory agency. During the closure period, certain activities must be performed to comply with environmental and other regulations (e.g. capping, landscaping, etc.).

Commercial Customer

A segment of the business that is made up of commercial and industrial collection.

Construction and Demolition (C&D)

A waste stream that is primarily received from construction sites. Some examples of C&D waste include, but are not limited to, concrete, rebar, wood, paneling, linoleum, and carpet.

Container

Any receptacle used to accumulate waste from residential, commercial and industrial sites. Containers vary in size and type according to the needs of the customer or restrictions of the community. Containers are also referred to as dumpsters.

Chemical Waste Management (CWM)

The operating name of Waste Management's hazardous waste landfills. WM currently owns and operates five hazardous waste landfills in the U.S.

Daily Cover

The material used to cover the working face of a landfill at the close of each day.

Disposal Fee

A fee charged for the amount of waste disposed of by customers at a landfill. (also see Tipping Fee)

Drop-off Box or Center

Sectioned containers where individuals and businesses can put recyclable material or containers used for waste collection where individual service is not available.

Dumpster

A generic term use for front-load and rear-load containers.