Chapter 38 - Conservation Zone 38.1.4.2 Aerial Application of Deadly Poisons on Public Land 38.1.4.2.1 The aerial application of sodium monofloracetate (1080) on publicly owned land is a Permitted Activity subject to the following standards and conditions: a) The concentration of sodium monofloracetate in baits does not exceed 0.15%weight/weight; and b) The application rate of toxic carrot bait does not exceed 15kg/ha at 0.15% weight/weight sodium monofloracetate concentration bait; and c) The application rate of toxic cereal based bait does not exceed 6kg/ha at 0.15% weight/weight sodium monofloracetate concentration bait; and d) Baits will only be applied subject to conditions specified by the Medical Officer of Health. Advisory Note Where baits are applied to land administered by the Department of Conservation additional restrictions may be imposed by the Department. 38.1.6 Clean fill • The discharge into and onto land of any cleanfill contaminant other than: • Hazardous substances; • Combustible or organic materials; • Any other contaminant subject to chemical or biological breakdown; or • Liquids or sludges is Permitted Activity provided that the following conditions are met. 38.1.6.1 Conditions a) That the material must not be deposited within riparian management zones as specified in the schedule of water bodies and Table 1 in Appendix I and as mapped in Ecology Maps in Volume Three, or in a manner or location where the General Conditions for Land Disturbance can not be complied with. b) That the filled area is covered with at least 200mm of topsoil, when infilling has been completed, to allow the site to return to a natural vegetated state. 38.1.7 Land Disturbance 38.1.7.1 Land Disturbance - General Conditions Any land disturbance activity which meets the conditions below is a Permitted Activity. a) Any increase in the concentration of suspended sediment shall not be more than 20% as measured by the ‘black disk’ method, notwithstanding that the concentration of suspended sediment in run-off water shall not exceed 200 grams/cubic metre at any point of discharge to any receiving water. The effects on the receiving water are to be measured at a distance downstream of two widths of the receiving watercourse or 50 metres, whichever is the lesser; 38 - 5