Major pollutants indicated by the study include nickel compounds, manganese, diisocyanate, and lead.

A 2009 assessment also included lead among the expected products of the mine.

Its emissions may include lead, cadmium, mercury, dibenzofurans and dioxin.

Problems in this area include lead based glazes that are used to decorate ceramic dishes.

Examples of toxic wastes include mercury and lead.

It has several mining sites that include lead, otinif, zinc and silver.

The toxic elements in computers and their monitors include lead, mercury and cadmium.

Other examples of the terms' use include lead and back up vocals, melody and counter-melody.

The company's major products include silver, gold and lead.