Section R. 408.14495 - Chlorine, caustic and acidRule 4495.
(1) Liquid chlorine shall be stored in an unoccupied ventilated room. The exhaust pickup shall be at floor level.(2) A room used for storage of chlorine gas shall have not less than 2 exits.(3) A tank car containing chlorine and connected to a pipe or hose line shall be protected by a derail device and a blue flag.(4) A pipe or hose line carrying chlorine, caustic or acid shall be identified by a sign or color label.(5) Where chlorine is piped through a wall, shut-off valves shall be located on both sides of the wall and at the inlet and outlet.Mich. Admin. Code R. 408.14495