Volume Two 18. Open Space 2 Zone 18.3.10.8. The discharge must not occur within a Groundwater Protection Area. 18.3.10.9. The discharge must not occur within 50m of a bore unless the bore intercepts the confined layer of Riverlands FMU or the confined layer of the Wairau Aquifer FMU. 18.3.10.10. The discharge must not occur on a Soil Sensitive Area. 18.3.11. Geotechnical bore drilling for the purposes of investigation of sub-surface conditions. 18.3.11.1. The bore must be drilled by a Recognised Professional. 18.3.11.2. A copy of the bore log, including a grid reference identifying the bore location, must be supplied to the Council in a suitable electronic format within 20 working days of drilling of the bore. 18.3.11.3. On completion of the geotechnical investigation, the bore must be sealed or capped to prevent any potential contamination of groundwater. 18.4. Discretionary Activities Application must be made for a Discretionary Activity for the following: [R, D] 18.4.1. Any activity provided for as a Permitted Activity that does not meet the applicable standards. [D] 18.4.2. Any use of land not provided for as a Permitted Activity or limited as a Prohibited Activity. [R] 18.4.3. Any discharge of contaminants onto or into land, or into air, not provided for as a Permitted Activity or limited as a Prohibited Activity. 18.5. Prohibited Activities The following are Prohibited Activities for which no application can be made: [R] 18.5.1. Discharge of contaminants to air arising from the burning of any of the following materials: (a) Wood having a moisture content of more than 25% dry weight (b) Wood which is painted, stained, oiled or coated (c) Wood treated with preservatives or impregnated with chemicals, including but not limited to, wood treated with Copper-Chrome-Arsenic (CCA) (d) Pellets containing greater than 10 mg/kg (dry) of copper and 0.02 w-% (dry) of chlorine (e) Composite wood boards containing formaldehyde or similar adhesives, including but not limited to, chip board, fibreboard, particle board and laminated boards 18 – 7