| Cadmium | a metal in nature associated with Zinc, Copper and Lead ores, found in the environment as a result of industrialization |
| Integrated Pest Management (IPM) | employs integrated techniques from improved land use and management, better agricultural practices, selective pesticides, and improved quality of care. |
| Lead | concentrated in ores and certain soils, its softness and low melting point has enabled its use in a wide variety of ways |
| Mercury | a rare element occurring naturally in the earth. Its properties have led to a wide variety of uses. Is transported around and does not biodegrade |
| Pesticide | any material that is used to kill a pest |
| Pest | any organism that competes with humans for food, fiber or living space or that detrimentally affects the way of life |
| Persistence | the length of time that a pesticide remains in the environment without it being changed or broken down into different substances |
| Selenium | naturally occurring, non-metallic element found in varying concentrations around the world. |
| Tributyltin (TBT) | used in paint to reduce the growth of aquatic organisms on ship’s hulls. |
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