Swab sample

1

Open aluminum bag, and take out a set of 4 plates

2

Write the appropriate information on the memorandum section

3

Viable count in swab test sample

4

Take off the cap of the plate

5

Inoculate 1 ml of wiping solution ( to be diluted if necessary ), which is obtained from cotton swap

6

Turn over the plate capped

7

Put in an incubator

Count obtained colonies