(a)Effective steps shall be taken to prevent the escape of dangerous gases, vapors, fumes or dust from any part of the plant, by the total enclosure of the process involved or by the provision of efficient exhaust draught,. Effective arrangements shall be made to ensure that in the event of failure of the control measure provided in compliance of the foregoing the process shall stop immediately.(b)In the event of any such escape, provision shall be made to trap the materials and render them safe.
