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Chapter 14: Discharges to Land and Water

14.7 Rules - Dyes and Tracers

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Rule Activity Classification Conditions/Standards/Terms Control/Discretion Non-Notification
14-20 Discharges^ of dye and salt tracers The discharge^ of dye and salt tracer material, excluding radioisotope tracers, into surface water^ pursuant to s15(1) RMA. Permitted
  1. The dye or salt tracer material discharged^ must not exceed 20 l of dye in solution, 10 kg of salt, or 100 l of salt solution.
  2. The Regional Council and the relevant Territorial Authority^ must be notified in writing of the proposed discharge^ at least 24 hours prior to the discharge^. Such notification must include:
    1. the name and contact details of the person responsible for the discharge^
    2. the purpose and nature of the discharge^
    3. the nature of the tracer including its type, colour, and product name and description
    4. the location, timing and duration of the discharge^.
  3. The dye or salt tracer must not be a hazardous substance in terms of the Hazardous Substances and New Organisms Act 1996.
  4. There must be no discharge^ to any rare habitat*, threatened habitat*, at-risk habitat* or reach of a river^ or its bed^ with a Schedule B Value of Natural State or Sites of Significance - Aquatic.
  

Rule Guide:
  1. Some discharges in rare habitats*, threatened habitats* and at-risk habitats* are regulated by Rules 13-8 and 13-9.
  2. Discharges in a reach of a river with a Schedule B Value of Natural State or Sites of Significance - Aquatic are regulated by Rule 14-25.
Discharges at other locations are regulated as follows:
  1. Activities not covered by rules - Discharges of radioisotope tracers and other tracers pursuant to s15(1) RMA that are not covered by the rule above are a discretionary activity under Rule 14-30.
  2. Activities that do not comply - Discharges of dyes and tracers pursuant to s15(1) RMA that do not comply with the permitted activity rule above are a discretionary activity under Rule 14-30.

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