Chemical pollutants mostly result from various human activities like the manufacturing, handling, storing, and disposing of chemicals. These occur in industrial places and activities such as oil refineries, coal power plants, construction, mining & smelting, transportation, agricultural use of pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi... More and insecticides, as well as household activities.