Unit III: 

1. Environmental Pollution- Concept, sources of pollution and nature of pollutants,

pollution monitoring.

2. Air Pollution: Air pollutants, sources, effects of air pollution.

3. Smog- formation, Classical smog and industrial pollution, photochemical smog and

vehicular emission. Prevention and control of air pollutants.

Unit IV: 

1. Water pollution- Sources of water pollution, Nature of water pollutants and their effects,

sewage treatment.

2. Agricultural pollution- Farm animal waste, Soil erosion plants residues, agrochemicalfertilizers

and pesticides.

3. Radioactive pollution- types, sources and effects of radiation.

4. Noise Pollution- Concept, sources, effects, noise pollution act.