Hong Kong Regulations

MERCHANT SHIPPING (CONTROL OF POLLUTION BY NOXIOUS LIQUID SUBSTANCES IN BULK) REGULATIONS - REGULATION 13

Category D residual mixtures - discharge

(1) The discharge into the sea of a Category D residual mixture is prohibited
except where-

   (a)  (i) the ship is proceeding on its way at a speed of at least 7 knots
        in the case of a self-propelled ship or at least 4 knots in the case
        of a ship which is not self-propelled;

        (ii)   the concentration of the substance in the effluent is not
               greater than one part of the substance to ten parts of water;
               and

        (iii)  the discharge is made at a distance of not less than 12
               nautical miles from the nearest land; or

   (b)  the discharge is made in accordance with regulation 11 as it applies
        to Category C residual mixtures.

(2) Notwithstanding paragraph (1), any such discharge is prohibited in
the Antarctic area. (Enacted 1987; L.N. 186 of 1995)