Hong Kong Regulations

AIR POLLUTION CONTROL (PETROL FILLING STATIONS) (VAPOUR RECOVERY) REGULATION - SECT 7

Operation

(1) An operator shall not carry out, or continue to carry out, the unloading
of petrol from a regulated vehicle to a petrol storage tank if the vapour and
liquid connections of the vapour recovery systems of the vehicle and the tank
are not completely interconnected.

(2) Where any leakage of petrol occurs during the unloading of petrol from a
regulated vehicle to a petrol storage tank, the operator shall stop the
unloading as soon as is practicable and not recommence the unloading until
satisfied that there will be no further leakage of petrol.