New Zealand Oil Spill Control Agents (NZOSCAs)

View the register of MNZ approved NZOSCAs and read the background into the approval process.

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NZOSCA Register

Below is the register of products approved as New Zealand Oil Spill Control Agents (NZOSCAs).

Products currently under review for approval are not listed.

Corexit 9500 Dispersant (Type 2/3)
Approval conditions or requirements:
  1. This approved dispersant shall not be used except for the purpose of combatting marine oil spills subject to an approved marine oil spill contingency plan.
  2. The approved dispersant shall not be used except in accordance with application procedures and guidelines recommended by the manufacturer.
  3. Each batch of the approved dispersant shall be tested to ensure it complies with the specifications set out for Type 2 and Type 3 dispersants under Marine Protection Rule - Part 132.9(1). Copies of all such test certificates shall be provided to the Director prior to distribution of the dispersant.
  4. If the composition of the approved dispesant or its technical specifications change from the details given in the application for approval dated August 2002 and submitted to the Director, the graantee is required to nitify the Director.
Approval date: 6 September 2002
Approval issued to: ONDEO Nalco NZ Ltd
Corexit 9527 Dispersant (Type 2/3)
Approval conditions or requirements:  
Approval date: 15 October 1975
Approval issued to: Esso
Shell Dispersant VDC (Slickgone LTSW) Dispersant (Type 2/3)
Approval conditions or requirements:  
Approval date: 24 March 1988
Approval issued to: Shell Chemicals NZ Ltd
Slickgone NS Dispersant (Type 2/3)
Approval conditions or requirements:
  1. This approved dispersant shall not be used except for the purpose of combatting marine oil spills subject to an approved marine oil spill contingency plan.
  2. The approved dispersant shall not be used except in accordance with application procedures and guidelines recommended by the manufacturer.
  3. Each batch of the approved dispersant shall be tested to ensure it complies with the specifications set out for Type 2 and Type 3 dispersants under Marine Protection Rule - Part 132.9(1). Copies of all such test certificates shall be provided to the Director prior to distribution of the dispersant.
  4. If the composition of the approved dispesant or its technical specifications change from the details given in the application for approval dated 20 January 2003 and submitted to the Director, the graantee is required to nitify the Director.
Approval date: 15 February 2003
Approval issued to: Spill Tech Pty Ltd
Gamlen Oil Dispersant LT Dispersant (Type 2/3)
Approval conditions or requirements:  
Approval date: 9 October 1978
Approval issued to: Gamlen Chemical Co. (N.Z.) Ltd., Auckland

About NZOSCA approval

Any product that is used or discharged into New Zealand waters for the purpose of an oil spill response must be approved by Maritime NZ prior to use. Approval is required under Marine Protection Rule Part 132 (New Zealand Oil Spill Control Agents).

Marine Protection Rules Part 132

Dispersants are the most commonly known group of NZOSCA. All groups that require approval are:

  • dispersants
  • surface cleaners/washing agents
  • bioremediation agents
  • loose sorbents
  • degreasers
  • solidifying or gelling agents
  • emulsion breakers/demulsifiers
  • herding agents
  • wicking agents.
Related information:
Beach clean up

Responding to spills and pollution

Read more