Learning outcomes

By the end of the course, students should be able to:

1. Interpret and critically analyse data on environmental chemical analysis;

2. Describe at least five (5) effects of chemicals on humans, safety, and the environment;

3. Critically evaluate the effect of anthropogenic activities on the environment;

4. List up to six (6) common chemicals found in the environment; and,

5. Identify and discuss four (4) soil and water remediation techniques.


Course Contents 

Types, nature, and characteristics of various chemicals. Physical and chemical properties of chemicals which are ecologically important. Toxicants: formulation, modes of action (structural activity relationships). Metabolism and movement in the environment synergism, antagonism, perturbation, and relative potency. The half-life of toxic chemicals in the environment. Agrochemicals, types, uses, degradation, and persistence. Acceptable daily intake (ADI) of pesticides. Contact and stomach poison. Dose-response relationships. Handling, storage, and safety precautions. Natural pesticides and fertilizers. Advantages and disadvantages of natural agrochemicals over synthetic agrochemicals.