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Exam questionKROK 2Medicine ยท 2016

Bacterial analysis of air in a living space in winter period by means of Krotov's apparatus revealed that total number of microorganisms in 1 m3 of air was 7200. What is the allowed number of microorganisms for the air to be characterized as "pure"?

Answer options

  1. Up to 3500
  2. Up to 5500
  3. Up to 4500
  4. Up to 7500
  5. Up to 2500
Correct answer

Up to 4500

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