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Dispersants

Read about Oil Spill Control Agents and New Zealand Oil Spill Control Agents including dispersants and how they are used for marine oil pollution response.

New Zealand Oil Spill Control Agents (NZOSCAs) - including dispersants

Dispersants are the most widely-known member of the group referred to as Oil Spill Control Agents or OSCAs.

In addition to dispersants, OSCAs also include:

  • surface cleaners or / washing agents
  • bioremediation agents
  • loose sorbents
  • degreasers
  • solidifying or gelling agents
  • emulsion breakers or / demulsifiers
  • herding agents
  • wicking agents.

 

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

Only approved OSCAs (NZOSCAs) can be applied to marine oil spills, and then only under specific circumstances and conditions.

Maritime NZ holds the NZOSCA Register, which lists the approved NZOSCAs. Each NZOSCA is subject to Standing Conditions and can only be used during an oil spill response if authorised by a marine oil spill contingency plan, or by the On-Scene Commander.

 

Currently, the following NZOSCAs are approved:

Radiagreen OSD

Dispersant (Type 2/3)

Approval conditions or requirements:

Standing Conditions (rule 132.65)

Approval date:

3 December 2004

Approval issued to:

Oleon NV

Applicant:

Oleon NV, Belgium

Shell Dispersant VDC (Slickgone LTSW)

Dispersant (Type 2/3)

Approval conditions or requirements:

Standing Conditions (rule 132.65)

Approval date:

24 March 1988

Approval issued to:

Shell Chemicals NZ Ltd

Applicant:

Dasic International Ltd, UK

Slickgone NS

Dispersant (Type 2/3)

Approval conditions or requirements:

Standing Conditions (rule 132.65)

Approval date:

15 February 2003

Approval issued to:

Spill Tech Pty Ltd

Applicant:

Dasic International Ltd, UK

Gamlen Oil Dispersant LT

Dispersant (Type 2/3)

Approval conditions or requirements:

Standing Conditions (rule 132.65)

Approval date:

9 October 1978

Approval issued to:

Gamlen Chemical Co. (N.Z.) Ltd., Auckland

Applicant:

Solenis, USA

Finasol OSR 52

Dispersant (Type 3)

Approval conditions or requirements:

Standing Conditions (132.65)

Approval date:

7 September 2017

Approval issued to:

Total Fluides SAS, France

Applicant:

Total Fluides SAS, France

Contact us

Please contact Maritime NZ if you are seeking approval for an OSCA. Testing requirements for your agent need to be discussed, prior to starting the approval process.