Radon is a radioactive gas formed in the decay of uranium that is a dangerous air pollutant. Radon typically enters a building through cracks in the foundation.
Hazardous waste, or combination of scraps, that may cause or significantly contribute to an increase in mortality or an increase in serious irreversible or incapacitating illness or that poses a substantial present or potential hazard to human health or the environment.
Bioremediation is a term used when the organism such as bacteria, plants, and fungi is used to clean and remove toxic chemical wastes and metals from contaminated soil.
Green chemistry is a term used on an emerging field of science that develops chemicals to be benign. Rather than presuming to keep human and ecological exposures to chemicals within levels of toxicity deemed “acceptable,”, sustainable chemistry aims to make chemicals inherently safe.