Vessel Pollution and Dangerous Chemicals Regulations (SOR/2012-69)

Marginal note:Ventilation procedures

65. A ventilation procedure must not be used to remove cargo residues for the purposes of paragraph 63(1)(c) or 64(3)(c) unless

• (a) the noxious liquid substance that was unloaded has a vapour pressure greater than 5 kPa at 20°C; and

• (b) the ventilation is carried out in accordance with sections 2 and 4 of appendix 7 to Annex II to MARPOL.

Marginal note:Application

66. This Subdivision does not apply in respect of Canadian vessels in an area in respect of which subsection 7(2) applies.

Marginal note:Prohibition

• 67. (1) A person or vessel must not discharge a noxious liquid substance carried in bulk except

  • (a) in accordance with sections 68 to 71, in the case of a discharge from an NLS tanker in Section II waters or from a Canadian vessel that is an NLS tanker in waters that are not waters under Canadian jurisdiction; or

  • (b) in the circumstances set out in section 5 that apply in respect of the discharge.

• Marginal note:Offshore support vessels

  (2) Paragraph (1)(a) does not apply in respect of a vessel that holds a Certificate of Fitness for an Offshore Support Vessel.

Marginal note:Authorized discharge — Category X

68. For the purposes of section 67, ballast water that contains a Category X noxious liquid substance only because the ballast water was introduced into a tank that last contained that substance may be discharged if

• (a) the tank was washed in accordance with subsection 63(2);

• (b) the vessel is en route at a speed of at least 7 knots, if it is self-propelled, or at least 4 knots, if it is not self-propelled; and

• (c) the discharge is made

  • (i) in accordance with the vessel’s procedures and arrangements manual,

  • (ii) below the waterline through an underwater discharge outlet at a rate that does not exceed the maximum rate for which the underwater discharge outlet was designed,

  • (iii) at a distance of at least 12 nautical miles from the nearest land, and

  • (iv) into waters whose depth is at least 25 m.

Marginal note:Authorized discharge — Category Y

69. For the purposes of section 67, a Category Y noxious liquid substance may be discharged if

• (a) the vessel is en route at a speed of at least 7 knots, if it is self-propelled, or at least 4 knots, if it is not self-propelled; and

• (b) the discharge is made

  • (i) in accordance with the vessel’s procedures and arrangements manual,

  • (ii) below the waterline through an underwater discharge outlet at a rate that does not exceed the maximum rate for which the underwater discharge outlet was designed,

  • (iii) at a distance of at least 12 nautical miles from the nearest land, and

  • (iv) into waters whose depth is at least 25 m.