Dear sir/mam
Fumigation k liye KMNO4 or HCHO ki quantity kya rhegi
(gm in ml ?)
Means kya factor rhega
Plz give reply
You should really consider shifting to H2O2 decontamination
https://webcommunities.hse.gov.uk/connect.ti/microbiologicalhazards/view?objectId=570213
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