Volume Two 9. Business 1 Zone 9.3.12. Discharge of contaminants to air within the Blenheim Airshed from the burning of solid fuel in a small scale solid fuel burning appliance installed after 9 June 2016. 9.3.12.1. The appliance must comply with the emission, operational and other requirements of Appendix 8 – Schedule 1. 9.3.12.2. The appliance must comply with the stack requirements of Appendix 8 – Schedule 2. 9.3.12.3. The appliance must burn only fuels approved for use in the appliance. 9.3.13. Discharge of heat and water vapour from cooling towers. 9.3.13.1. No more than 5MW of heat per hour must be discharged. 9.4. Discretionary Activities Application must be made for a Discretionary Activity for the following: [R, D] 9.4.1. Any activity provided for as a Permitted Activity that does not meet the applicable standards. [D] 9.4.2. Any use of land not provided for as a Permitted Activity or limited as a Prohibited Activity. [R] 9.4.3. Any discharge of contaminants into or onto land, or to air, not provided for as a Permitted Activity or limited as a Prohibited Activity. 9.5. Prohibited Activities The following are Prohibited Activities for which no application can be made: [D] 9.5.1. Heavy industrial activity. [R] 9.5.2. Discharge of contaminants to air from outdoor burning within the Blenheim Airshed, after 9 June 2016, unless the fire is used exclusively for the cooking or smoking of food for non-commercial purposes. [R, D] 9.5.3. The storage, reprocessing or disposal of hazardous waste into or onto land (other than into a lawfully established hazardous waste landfill). [R] 9.5.4. 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; 9 – 7