Lead is a heavy metal. It was used in many materials and products before the risk to young children was known. Certain products such as paints used in older houses before 1978,... |
Asbestos is the name given to a number of naturally occurring, fibrous silicate minerals mined for their useful properties such as thermal insulation, chemical and thermal stability, and high tensile strength. |
Molds are microscopic organisms that live on plant or animal matter. They aid in the break down of dead material and recycle nutrients in the environment. |