What are the 4 main types of contamination hazard?

1) Biological

- Bacteria, viruses, parasites, and fungi.

- Found in soil, water, air, food, and on surfaces.

- Can cause disease, allergies, and other health problems.

2) Chemical

- Pesticides, herbicides, heavy metals, and other toxic chemicals.

- Found in air, water, soil, and food.

- Can cause cancer, birth defects, and other health problems.

3) Physical

- Glass, metal, plastic, and other foreign objects.

- Found in food, drinks, and other products.

- Can cause injury or choking.

4) Radiological

- Radioactive materials, such as uranium, plutonium, and radon.

- Found in soil, air, water, and building materials.

- Can cause cancer, birth defects, and other health problems.