A compound that consists of hydrogen, chlorine, fluorine and carbon. The HCFCs are a class of replacements for CFCs. They contain chlorine and thus...
Any metallic chemical element that has a relatively high density and is toxic at low concentrations. (Examples are mercury, cadmium, arsenic, chrom...
Defined by RCRA as any waste that exhibits specific hazardous characteristics such as ignitability, corrosivity, reactivity or toxicity.
Defined by the National Occupational Health and Safety Commission (NOHSC) as a substance, which has the potential, through being used at work, to h...
Any material or substance, which if improperly handled or disposed of, can cause harm to the health and well-being of humans or the environment.
Those pollutants that cause or may cause cancer, other serious health effects (such as reproductive effects or birth defects) or adverse environmen...
The amount of time it takes half of an initial concentration of substance to degrade in the environment.
Certain gases (including water vapor, carbon dioxide, methane, nitrous oxide, and ozone and several classes of halogenated carbons that contain flu...