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Dumping standards for both jurisdictions in New Zealand are derived from the 1996 Protocol to the International Convention on the Prevention of Marine Pollution by Dumping of Wastes and Other Matter 1972 (the 1996 Protocol), to which New Zealand is a party.
The global aim of the 1996 Protocol is to:
“protect and preserve the marine environment from all sources of pollution and take effective measures, according to scientific, technical and economic capabilities, to prevent, reduce and where practicable eliminate pollution caused by dumping or incineration at sea of wastes or other matter.”
Refer to the IMO London Convention website ››
The 1996 Protocol embodies the precautionary approach to dumping waste at sea. Rather than setting out what wastes may not be dumped, the 1996 Protocol provides a ‘reverse list’ which defines categories of wastes that may be considered for dumping at sea, provided the applicant can demonstrate no adverse effects will result.
  Waste Categories (PDF -77Kb)
A key principle of the 1996 Protocol is the consideration of avoidance,
re-use and minimisation of waste sources in order to minimise the
amount of material that is required to be dumped at sea. This principle
is a well-established requirement of the New Zealand domestic legislation.
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