12/Oct/2001 - Current (at 31 Dec 2005)
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    8. Prohibition of discharge of oil or oily mixtures into State waters

    (1) Subject to subsections (4) and (6), if any discharge of oil or of an oily mixture occurs from a ship into State waters, the master and the owner of the ship are each guilty of an offence punishable, upon conviction, by a fine not exceeding

    (a) if the offender is a natural person $50 000; or

    (b) if the offender is a body corporate $250 000.

    (2) If any discharge of oil or of an oily mixture occurs from a place on land into State waters, the occupier of that land is guilty of an offence punishable, upon conviction, by a fine not exceeding

    (a) if the offender is a natural person $50 000; or

    (b) if the offender is a body corporate $250 000.

    (3) If any discharge of oil or of an oily mixture into State waters occurs from any apparatus used for transferring oil or an oily mixture from or to any ship, whether to or from a place on land or to or from another ship, the person in charge of the apparatus is guilty of an offence punishable, upon conviction, by a fine not exceeding

    (a) if the offender is a natural person $50 000; or

    (b) if the offender is a body corporate $250 000.

    (4) Subsection (1) does not apply to the discharge of oil or of an oily mixture from a ship

    (a) for the purpose of securing the safety of a ship or saving life at sea;

    (b) if the oil or oily mixture, as the case may be, escaped from the ship in consequence of damage, other than intentional damage, to the ship or its equipment, and all reasonable precautions were taken after the occurrence of the damage or the discovery of the discharge for the purpose of preventing or minimizing the escape of oil or oily mixture, as the case may be; or

    (c) in the case of an oily mixture, if the discharge was for the purpose of combating specific pollution incidents in order to minimize the damage from pollution and was approved by a prescribed officer.

    (5) For the purposes of subsection (4), damage to a ship or to its equipment shall be taken to be intentional damage if, and only if, the damage arose in circumstances in which the master or owner of the ship

    (a) acted with intent to cause the damage; or

    (b) acted recklessly and with knowledge that damage would probably result.

    (6) Without limiting the generality of subsection (4) but subject to subsection (7), subsection (1) does not apply to

    (a) the discharge from an oil tanker of oil or an oily mixture, not being oil or an oily mixture of the kind referred to in paragraph (c), if the following conditions are satisfied

    (i) the oil tanker is not within a special area and is more than 50 nautical miles from the nearest land;

    (ii) the oil tanker is proceeding en route;

    (iii) the instantaneous rate of discharge of oil content does not exceed 60 litres per nautical mile;

    (iv) the total quantity of oil discharged into the waters does not exceed

    (A) in the case of an oil tanker that is an existing tanker one part in 15 000 parts of the total quantity of the cargo of oil of which oil discharged formed a part; or

    (B) in the case of an oil tanker that is a new tanker one part in 30 000 parts of the total quantity of the cargo of oil of which oil discharged formed a part;

    (v) the oil tanker has in operation an oil discharge monitoring and control system and a slop tank arrangement as required by regulations made by virtue of section 90B of the Western Australian Marine Act 1982 3 or by virtue of section 267A of the Navigation Act 1912 of the Commonwealth;

    (b) the discharge from a ship that has a gross tonnage of 400 or more and is not an oil tanker of oil or an oily mixture if the following conditions are satisfied

    (i) the ship is not within a special area and is more than 12 nautical miles from the nearest land;

    (ii) the ship is proceeding en route;

    (iii) the oil content of the effluent is less than 100 parts in 1 000 000 parts;

    (iv) the ship has in operation an oil discharge monitoring and control system, oily-water separating equipment, oil filtering equipment or other installation as required by regulations made by virtue of section 90B of the Western Australian Marine Act 1982 3 or by virtue of section 267A of the Navigation Act 1912 of the Commonwealth;

    (c) the discharge from an oil tanker of oil or an oily mixture, being oil or an oily mixture that is from the machinery space bilges (other than the cargo pump room bilges) of the oil tanker and does not include oil cargo residue, if the conditions specified in paragraph (b) are satisfied in relation to the discharge;

    (d) the discharge from an oil tanker, or another ship that has a gross tonnage of 400 or more, of an unprocessed oily mixture, not being an oily mixture that originated from the cargo pump room bilges of the ship or includes oil cargo residue, if the following conditions are satisfied

    (i) the ship is not within a special area;

    (ii) the oil content of the unprocessed oily mixture without dilution is not more than 15 parts in 1 000 000 parts;

    (e) the discharge from a ship that has a gross tonnage of 400 or more and is not an oil tanker of a processed oily mixture, not being an oily mixture that originated from the cargo pump room bilges of the ship or includes oil cargo residue, if the following conditions are satisfied

    (i) the ship is not within a special area;

    (ii) the oil content of the effluent without dilution is not more than 15 parts in 1 000 000 parts;

    (iii) the ship has in operation oil filtering equipment as required by regulations made by virtue of section 90B of the Western Australian Marine Act 1982 3 or by virtue of section 267A of the Navigation Act 1912 of the Commonwealth;

    (f) the discharge from an oil tanker of a processed oily mixture, being a processed oily mixture that originates from the machinery space bilges (other than the cargo pump room bilges) of the oil tanker and does not include oil cargo residue, if the conditions specified in paragraph (e) are satisfied in relation to the discharge;

    (g) the discharge within a special area from an oil tanker, or another ship that has a gross tonnage of 400 or more, of processed bilge water from machinery spaces, not being bilge water that originated from the cargo pump room bilges of the ship or includes oil cargo residue, if the following conditions are satisfied

    (i) the ship is proceeding en route;

    (ii) the oil content of the effluent without dilution is not more than 15 parts in 1 000 000 parts;

    (iii) the ship has in operation oil filtering equipment as required by regulations made by virtue of section 90B of the Western Australian Marine Act 1982 3 or by virtue of section 267A of the Navigation Act 1912 of the Commonwealth;

    (iv) the oil filtering equipment is equipped with a stopping device that automatically prevents any discharge of effluent when the oil content of the effluent without dilution is more than 15 parts in 1 000 000 parts;

    (h) the discharge within a special area from a ship that has a gross tonnage of less than 400 and is not an oil tanker of oil or an oily mixture if

    (i) the oil content of the effluent without dilution is less than 15 parts in 1 000 000 parts; or

    (ii) the following conditions are satisfied

    (A) the ship is proceeding en route;

    (B) the oil content of the effluent is less than 100 parts in 1 000 000;

    (C) the discharge is made as far as practicable from land and is not less than 12 nautical miles from the nearest land;

    (i) the discharge, not being a discharge within a special area, from a ship that has a gross tonnage of less than 400 and is not an oil tanker of an oily mixture that without dilution has an oil content not exceeding 15 parts in 1 000 000 parts; or

    (j) the discharge from a ship of clean or segregated ballast.

    (7) A reference to an oily mixture in subsection (6) shall be read as not including a reference to an oily mixture that contains

    (a) chemicals or other substances in quantities or concentrations that are hazardous to the marine environment; or

    (b) chemicals or other substances that have been introduced for the purpose of attempting to prevent the application of subsection (1) to the discharge of an oily mixture from a ship.

    (8) In proceedings for an offence against subsection (1) in relation to a ship, it is sufficient for the prosecution to allege and prove that a discharge of oil or of an oily mixture occurred from the ship into State waters, but it is a defence if it is proved that, by virtue of subsection (4) or (6), subsection (1) does not apply in relation to the discharge.

    (9) Where a person is charged as the occupier of a place on land with an offence against subsection (2), or as the person in charge of any apparatus with an offence against subsection (3), it is a defence to the charge if the person proves that the escape of the oil or oily mixture was due to accident which could not have been avoided, foreseen or anticipated and that all reasonable precautions were taken for the prompt discovery of the escape of the oil or oily mixture and thereafter for preventing or reducing the escape of the oil or oily mixture.



Note: This is not an authorised version. The only authorised version is the hardcopy (printed) version published under authority of the Government Printer, available from the State Law Publisher, 10 William St Perth W.A. 6000.