This is my first post in this forum.
First, thank you very much for your help.
I want to know reference methode for hand swab in food & beverage manufactur??
Can you give me the advice?
Thank you very much, I really appreciate your help.
Reference methods exist but tend to vary with location. All are probably subjective with respect to interpretation of results. Micro count data is not noted for high accuracy.
This is probably one of the simplest procedures -
In contrast, here is an official, detailed, general swabbing procedure but which would require you to adjust for a hand-shaped template -
UK Detection_and_enumeration_of_bacteria_in_swabs_and_other_environmental_samples.pdf 329.62KB
Use of the Appendix procedure in above pdf is, I think, illustrated in 2nd segment of this video -
For calculation purposes in 2nd example, the area involved might be approx. assessed as per this thread -
PS - Welcome to the Forum !