AT
"AT vehicle" means:
(a) A vehicle, other than EX/III or FL vehicle or than a MEMU, intended for the carriage of
dangerous goods in fixed tanks or demountable tanks with a capacity exceeding 1 m3 or in
tankcontainers,
portable tanks or MEGCs with an individual capacity exceeding 3 m3; or
(b) A battery-vehicle with a total capacity exceeding 1 m3 other than a FL vehicle;