After fumigation in a cleanroom or controlled environment, exposing Environmental
Monitoring (EM) plates is not typically done immediately.
๐๐ผ๐๐-๐๐๐บ๐ถ๐ด๐ฎ๐๐ถ๐ผ๐ป ๐ช๐ฎ๐ถ๐๐ถ๐ป๐ด ๐ฃ๐ฒ๐ฟ๐ถ๐ผ๐ฑ
After fumigation, there is usually a waiting period to allow the disinfectant or fumigant to
dissipate or settle. This ensures that any residual chemicals in the air wonโt interfere with the
microbial growth on EM plates.
๐๐ข๐ซ ๐๐ฎ๐๐ฅ๐ข๐ญ๐ฒ ๐๐๐ฌ๐ญ๐ข๐ง๐
Following the waiting period, the room’s air quality is checked to ensure that the fumigant
has been properly ventilated and that conditions are safe for personnel and the environment.
๐๐ฑ๐ฉ๐จ๐ฌ๐ข๐ง๐ ๐๐ ๐๐ฅ๐๐ญ๐๐ฌ
Once the room has been cleared, EM plates (such as settle plates, contact plates, or active air
samplers) can be exposed to monitor the microbial load in the environment post-fumigation.
This helps verify that the fumigation process has been effective in reducing microbial
contamination to acceptable levels.