By the results of the risk assessment using the average calculation found that samples of both male and female, of every age range at ในุ train carriage the carriage 1 & 3 in the health risk from being dust.
The results of the risk assessment The average calculations showed that both male and female ใnu all ages. The first passenger train carriages and a third is in a state health risks of exposure to dust.
As a result of risk assessment analysis of calculation showed that the both male and ladies are all age train passenger seat and the carriage that 1 3 in health risks from the dust.