The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. HomeAir Pollution MCQsThe maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels.Q. The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels.6090105120Answer: Option 2
