(a) No person shall bring into or carry in the transit center or onto a bus any explosives, acids, inflammables, compressed gases or articles or materials having or capable of producing strong offensive odors, explosion or fire, or articles or materials likely to endanger persons or property.

(b) No person shall bring or cause to be brought into or kept at the transit center or onto a bus any signal flare or any container filled with or which has been emptied or partially emptied of oil, gas petroleum products, paint or varnish. When authority is given to bring into or keep at the transit center any such articles or materials it shall be conditioned upon the use of appropriate receptacles in rooms or areas approved therefor by the transit center manager.