23. Airport Zone Volume Two 23.3.11.6. The discharge must be through a filtration system that removes at least 95% of particulate matter from the discharge. 23.3.12. Discharge of contaminants to air from the spray application of paint or adhesive coating materials of surfaces not within a spray booth, other than a road. 23.3.12.1. There must not be more than 5 litres of coating material applied per hour and not more than 20 litres of coating material applied per month. 23.3.12.2. Where there is a sensitive receptor on another property within 100m of where the spray coating is to occur, there must not be more than 0.5 litre of coating material applied per hour and not more than 5 litres of coating material applied per month. 23.3.12.3. Spray coating must not occur on surfaces of fixed structures that can practicably be dismantled and transported to a spray booth. 23.3.12.4. The coating material must not contain di-isocyanates or organic plasticisers. 23.3.12.5. The discharge must occur at least 10m from any sensitive receptor beyond the boundary of the property where spray coating is undertaken. 23.3.12.6. There must be no dispersal or deposition of particles beyond the boundary of the property where the discharge originates. 23.3.13. Discharge of contaminants to air from the production of fibreglass and other composite materials or from the production of plastic products and plastic moulding operations. 23.3.13.1. The fibre glassing must be undertaken inside a booth equipped with filtration, extraction and dispersion mechanisms to ensure 95% particulate removal. 23.3.13.2. The total amount of plastics moulded on the site must be less than 500kg per hour. 23.3.13.3. The total amount of fibreglass and resin used on the site must not exceed 50kg per hour. 23.3.13.4. The total mass of organic material discharges from the site must be less than 5kg per day. 23.3.13.5. A point of discharge to air must be 2m above the highest point of the building containing the operation or any building located within a radius of 2.5 times the height of the discharge. 23.3.13.6. The air discharge must be vertical. 23.3.14. Discharge of contaminants to air from the burning of solid fuel in a small scale solid fuel burning appliance. 23.3.14.1. The appliance must comply with the emission, operational and other requirements of Appendix 8 – Schedule 1. 23.3.14.2. The appliance must comply with the stack requirements of Appendix 8 – Schedule 2. 23.3.14.3. The appliance must only burn fuels approved for use in the appliance. 23.3.14.4. The appliance must be operated so that all reasonable steps are taken to minimise the amount of smoke discharged. 23 – 10