How many hours is the safety education time of safety production management personnel in mining units not less than? 50 80 100 48
Article 9 of Chapter 2 of the Provisions on Safety Training for Production and Business Units stipulates that the safety qualification training time for the principal responsible persons and safety production management personnel of coal mines, non-coal mines, dangerous chemicals and fireworks enterprises shall not be less than 48 hours; The annual retraining time shall not be less than 16 hours.