A wastewater sample from an industrial process only contains
     A wastewater sample from an industrial process only contains 10 contaminants, and each one of the contaminants can be measured using the aggregate BOD measurement. Identify and list 10 specific contaminants that could be in this wastewater.  
  
  Solution
10 SPECIFIC CONTAMINANTS OF INDUSTRIAL WASTE WATER THAT CAN BE IDENTIFIED BY BOD TEST ARE:
1. PESTICIDES
2.PHARMACEUTICALS
3.PETROCHEMICALS
4. DETERGENT
5. PLASTICS
6. PAPER
7. ASH FROM THERMAL POWER PLANTS
8. ANIMAL SLAUGHTER FROM FOOD INDUSTRIES
9. HYDRAULIC OILS FROM MINING SITES
10. RADIO ACTIVE WASTES FROM NUCLEAR PLANTS.
These are the sources of wastes that can be present and on specifically speaking, they are
1. Hydrocarbons
2. Proteins
3. Carbohydrates
4. Fats and grease
5. Ammonia and its various compounds
6. Aldehydes and long chain carbon compounds like glucose, fructose
7. Urea and Uric acid from pesticides and fields
8. Benzene, anthracine from iron industries
9. Sodium chloride, hydroxyl
10. Phenols, furans, etc.

