Exam questionKROK 2Medicine ยท 2015
Bacterial analysis of air in a living space in winter period by means of Krotov's apparatus revealed that total number of microorganisms in 1m3 of air was 7200. What is the allowed number of microorganisms for the air to be characterized as "pure"?
Answer options
- Up to 3500
- Up to 2500
- Up to 7500
- Up to 4500
- Up to 5500
Correct answer
Up to 4500
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