Lead (Pb) is one of an important contaminant surrounding our environment. Lead occur naturally in all soil and water (1), or can be found deep within the ground located in ore (2). Although lead can be found in small quantities, there is a great quantity of lead flow in the environment that is detrimental to human beings and plants. However, despite lead is a toxic metal, there are still lots of households products contains lead; burning of paper products, discarded rubber, battery casings, and painted wood (3). First of all, the application of lead in gasoline (Pb) is very dangerous. “Tetraethyl lead” was used to put in vehicles to reduce engine knocking. The car engines will burn lead and produce lead salts and exhaust to environment
