Construction of vehicles and tank containers
6. The operator of a road tanker or tank container shall not use that road tanker or tank container for the carriage of a dangerous substance unless—
(a)it is properly designed, of adequate strength and of good construction from sound and suitable material;
(b)it is suitable for the purpose for which it is being used having regard t o —
(i)the nature and circumstances of the journey being undertaken, and
(ii)the characteristic properties and quantity of the dangerous substance and of all other substances being carried (including any which are not in themselves dangerous);
(c)the carrying tank of the road tanker or the tank container concerned, and any fittings attached thereto—
(i)are designed, constructed and maintained so as to prevent any of the contents escaping, except that this requirement shall not prevent the fitting of a suitable safety device, and
(ii)insofar as they are likely to come into contact with the substance, are made of materials which are neither liable to be adversely affected by the substance nor liable in conjunction with it to significantly increase the risk to the health or safety of any person; and
(d)in the case of a road tanker or tank container brought into use for the first time after 6th July 1992 for the carriage of any dangerous substance, he is in possession of sufficient information concerning—
(i)its design, construction, examination and maintenance, and
(ii)any repairs or modifications made to the carrying tank of that road tanker or (as the case may be) to that tank container or to any fittings attached thereto,
as may reasonably foreseeably be needed to enable him to comply with these Regulations insofar as they impose requirements or prohibitions on him.