Marlborough Sounds Resource Management Plan 36.4.3.9.2 Standards a) The establishment of a landfill over an unconfined aquifer shall be prohibited; b) The landfill shall be sealed such that leachate cannot escape except through a controlled structure; c) Any leachate discharge shall be collected and disposed of in an appropriate manner, for example by recycling through the landfill or by treatment; d) The landfill shall be managed in a manner that minimises intrusion from external sources of water; e) Discharged material shall not be placed within 1500 metres of a surface waterbody; f) As far as practicable, only wastes that can safely be accommodated in the landfill without adverse effects on the environment beyond the site are to be discharged; g) No gaseous substance or substance likely to form a noxious, reactive or toxic gas (other than landfill gas) once placed in the landfill, is to be discharged; h) Tip face burning shall be a Prohibited Activity; i) Prior to commencing operation, a contingency plan shall be prepared, designed to remedy or mitigate any actual or potential adverse environmental effects that might arise, beyond those permitted by the consent from the operation of the landfill (including effects that may arise after waste disposal operations have ceased). The contingency plan shall include details of proposed environmental indicators, and trigger levels for implementation of relevant parts of the contingency plan; j) The consent holder shall ensure that all staff and other persons engaged at the landfill are fully aware of the consent conditions; k) The consent holder shall undertake monitoring of the following groundwater quality parameters at three monthly intervals: • PH Total Alkalinity • Temperature Ammoniacal Nitrogen • Conductivity BOD5 / COD • Nitrate Nitrogen Chloride • Hardness Iron (soluble) l) The landfill shall be registered on the Hazards Register; and m) No hazardous waste may be disposed of in the landfill unless: • Accepted hazardous wastes are mixed with mature refuse appropriately, and disposed in discrete cells with low permeability capping and lining material; • The landfill site and operation has leachate capture and either; recirculation, treatment, or disposal to sewage treatment facility; 36 - 38