From Standard Handbook of Environmental Engineering, Second Edition
A. Robert P.E. Corbitt



Hazardous wastes are present throughout the world as by-products of growth and development and include pesticides from agricultural lands, gasoline leakage from service stations, heavy metals from plating solutions, medical wastes from hospitals, and radioactive wastes from nuclear power plants, These waste products pose unreasonable risks to human health and safety, property values and utilization, and all other components of the environment. The U.S. Environmental Protection Agency regulations define hazardous wastes by inclusion of specific lists and by characteristics of ignitability, corrosivity, reactivity, and/or EP toxicity. Household wastes, domestic sewage, and certain other wastes are excluded from these regulations.

The technology for treatment and disposal of hazardous wastes is the most rapidly developing area of environmental engineering. A significant portion of this technology is refinement and/or adaptation of proven practices in air quality control, wastewater treatment, and solid waste management. Also, the environmental engineer must learn more about hydrogeology to assess the subsurface disposition of hazardous wastes.

Hazardous waste treatment is characterized as liquid waste treatment, solid waste treatment, solidification and stabilization, thermal destruction, and land disposal. Remedial action is distinguished as surface water control, air pollution control, or in situ treatment.

At a hazardous waste treatment or disposal site, the environmental engineer must obstruct the routes of the waste into the environment. Principal routes include surface water contamination from runoff or overflows; groundwater contamination from leaks or leachate; air contamination from open burning, evaporation, or fugitive dusts; fire and/or explosion; and health risks...

Products & Services
Environmental Regulatory and Compliance Services
Environmental regulatory and environmental compliance services perform site and facility assessments, analyze permitting requirements, review designs and recommend modifications, and represent clients before regulatory agencies.
Solid Waste Management and Treatment Services
Solid waste management and solid waste treatment services collect, process, and dispose of solid waste.
Environmental Testing and Analysis Services
Environmental testing and analytical services provide testing of environmental samples such as soil, water, air, and industrial wastes or byproducts.
Incinerators are used for burning organic material, gases, fumes, hazardous waste, and municipal trash or sewage sludge at a high temperature, sometimes to produce energy.
Remediation Services
Remediation services include oil or chemical spill clean up, restoration of contaminated sites, and hazardous waste management.

Topics of Interest

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