Volume Two 11. Business 3 Zone 11.2.7. Dust. 11.2.7.1. The best practicable method must be adopted to avoid dust beyond the legal boundary of the area of land on which the activity is occurring. 11.2.8. Dust from any process vent or stack. 11.2.8.1. The dust must not contain hazardous substances. 11.2.8.2. The particulate discharge rate from any air pollution control equipment and dust collection system must not exceed 250mg/m at any time, corrected to 0°C, 3 1 atmosphere pressure, dry gas basis. 11.2.8.3. Dust particles must not exceed 0.05mm size in any direction. 11.3. Standards that apply to specific permitted activities 11.3.1. Large format retail. 11.3.1.1. A landscaped area of a minimum width of 3m must be established along all road boundaries and any adjoining zone, and must be planted with a minimum of one tree for every 10m of frontage. Trees must not be planted a distance of more than 25m apart or closer than 5m. At the time of planting, the trees must have a minimum height of 1.5m. 11.3.1.2. Hours of operation: (a) An activity must only occur during the hours of 7.00 am to 10.00 pm Monday to Sunday (inclusive). (b) Delivery and waste collection vehicle movements must only occur during the hours of 7.00 am to 10.00 pm Monday to Saturday (inclusive) or during the hours of 9.00 am to 7.00 pm Sundays. 11.3.2. Park or reserve. 11.3.2.1. The park or reserve must be owned, managed or administered by the Marlborough District Council. 11.3.2.2. All activities within the park or reserve must also comply with the rules of the Open Space 1 Zone. 11.3.3. Excavation or filling. 11.3.3.1. Excavation or filling must not occur within 8m of the landward toe of a stopbank and the depth of excavation must not exceed 20% of the distance between the landward toe of the stopbank and the excavation. 11.3.3.2. The maximum volume of excavation must not exceed 50m per Computer 3 Register within any 12 month period, unless the excavation is to establish the foundation for a large format retail building. 11.3.3.3. The maximum volume of filling must not exceed 50m per Computer 3 Register within any 12 month period, unless the filling is associated with the establishment of the foundation for a large format retail building. 11.3.3.4. No excavation or filling must occur on land with a slope greater than 10°. 11.3.3.5. There must be no excavation in excess of 10m within a Groundwater 3 Protection Area. 11 – 3