Indicators Of Pollution

Health Hygiene & Sanitation

Lesson 25 : Water pollution And Water Act

Indicators Of Pollution

  • amounts of total suspended solids,
  • biochemical oxygen demand (BOD) at 20 deg C.
  • concentration of chlorides, nitrogen and phosphorus
  • absence of dissolved oxygen
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Last modified: Wednesday, 25 April 2012, 7:44 AM