Because petroleum sources can be found in vastly different regions, producers must mitigate the impact of crude oil production on its surrounding ecosystems. The principal waste stream from production at ARCO's Coles-Levee field in California is co...
Improper disposal of hazardous substances removed from both air and water treatment can become solid waste problems. Thermal treatments, like the reciprocating grate incinerator, can be used to eliminate most of the volume of solids. When large am...
While the term 'biological treatment' traditionally refers to sewage and wastewater facilities, a newer science known as bioremediation broadens the use of living organisms to concentrate or decompose contaminants. The goal of bioremediation is to ...
While traditional bioremediation can degrade most organic elements, a newer process called co-metabolism is required for certain chemical contaminants, such as synthetic organics, pesticides and detergents. The key to successful co-metabolism is ch...
A small town on the California coast, Avila Beach was the site of a two decade struggle with major oil company, Unocal. The struggle is recounted, from the 1979 discovery of an oil plume beneath the community and beach to eventual agreement by Unoca...