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Environmental Services- Glossary of Terms

Curbside recycling

  • The collection of recyclable materials from residences at their curb.

Commingled recycling

  • A system that enables a resident to place mixed recyclables in one container.

Yard Trimmings

  • Any waste generated from the maintenance or alteration of residential landscapes including grass and yard clippings, leaves, tree trimmings, shrubbery, weeds, twigs, or pruning.

Composting

  • A method of waste treatment in which organic solid wastes are biologically decomposed under controlled, aerobic or anaerobic conditions.

Household hazardous waste

  • Those wastes resulting from products purchased by the general public for household use which, because of their quantity, concentration, or physical, chemical or infectious characteristics, may pose a substantial known or potential hazard to human health or the environment when improperly treated, disposed, or otherwise managed.

Recycling

  • The process of collecting, processing and re-manufacturing new products from used materials that have been diverted from a landfill.

Pre-consumer materials

  • Materials which never leave the manufacturing plant, but are recycled internally.

Post-consumer materials

  • Products that have been returned by consumers to a manufacturer for recycling purposes.

Stormwater pollution

  • Materials and chemicals that are washed into the storm drain system by rain water and other means from streets, parking lots, construction sites, business locations, neighborhoods, etc.

Storm drain system

  • A water conveyance system which includes streets, gutters, catch basins, creeks, rivers, washes and drainage ditches.

Illegal dumping

  • The dumping of any waste upon any public right-of-way, public property, or private property, without consent of the owner.

Mulching

  • A process by which yard waste is chipped and re-applied to land without being allowed to decompose first.

Source Reduction

  • The prevention of waste and toxicity at the source either by redesigning products and packaging or by otherwise changing societal patterns of consumption or waste generation.