Explain Procedure for Analysis of Air of Processing Facility?
Now conduct the experiment following the steps enumerated herewith:
1. Label the Petri plates with nutrient agar and potato dextrose agar.
2. Expose the plates uncovered in air at sampling site for 5 minutes.
3. Replace the cover and incubate nutrient agar plates at 37°C for 24 hours and potato dextrose agar plates for 4-5 days at 28+ 2°C.
4. Count the colonies and identify them.