safety depends upon the procedure and would applied medicines and application stategies. Safe also depands on the timing of pest control operation. It should be rendered at very flexible time in day or night according to pest behaviour. If nocternal or diornal then should select night or day time. Inhabitant must ware face musk during the application time or will leave for three hours if php medicine applied. If applicator company apply fumigant then inhabitants must be away from home for 72 hours in this period of fumigation no body will enter into the fumigated area. only the applicator will enter into the fumigated area if needed they will ware the proper safety mask!