(a) How many (i) safety, (ii) first aid and (iii) emergency officers are at each train station, (b) what training did they receive, (c) how often do they receive training, (d) at what costs, (e) what procedures, processes and mechanisms exist to ensure that they are fully trained, compliant, (f) what are the shortages for each station and (g) what is being done to remedy this situation at each station?