Which of the following is the best parameter to measure air pollution?
Correct Answer: SO2
Description: The best indicators of air pollution are sulphur dioxide (SO2), smoke and suspended paicles. These are monitored on a daily basis over several sites. The results are then collected by a central agency. Methods for monitoring air pollution: Sulphur dioxide Smoke or Soiling index Grit and dust measurement Coefficient of haze Air pollution index Ref: Park's Textbook of Social and Preventive Medicine, 19th edition, Page 593.
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Social & Preventive Medicine
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