Volume Two 4. Coastal Environment Zone 4.2.3.3. Standards 4.2.3.1 and 4.2.3.2 also apply to any alteration of an existing dwelling, visitor accommodation or other habitable building located within 300m of the closest frost fan selected for the purpose of Standard 4.2.3.1, where a new bedroom forms part of the alteration. For the avoidance of doubt only the new bedroom has to be treated in accordance with Standards 4.2.3.1 and 4.2.3.2. 4.2.3.4. For the purposes of Standards 4.2.3.1, 4.2.3.2 and 4.2.3.3, "frost fan" includes any lawfully established frost fan, and includes a proposed frost fan for which a resource consent has been granted and "site" has the meaning of "single land holding". 4.2.4. Odour. 4.2.4.1. The odour must not be objectionable or offensive, as detected at or beyond the legal boundary of the area of land on which the permitted activity is occurring. 4.2.5. Smoke. 4.2.5.1. The smoke must not be objectionable or offensive, as detected at or beyond the legal boundary of the area of land on which the permitted activity is occurring. 4.2.6. Dust. 4.2.6.1. 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. 4.2.7. Dust from any process vent or stack. 4.2.7.1. The dust must not contain hazardous substances. 4.2.7.2. 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. 4.2.7.3. Dust particles must not exceed 0.05mm size in any direction. 4.3. Standards that apply to specific permitted activities 4.3.1. Farming. 4.3.1.1. The farming must not include a dairy farm established after 9 June 2016. 4.3.2. Farm airstrip or farm helipad. 4.3.2.1. The airstrip or helipad must be integral to the use of the land on which the airstrip or helipad is located for farming. 4.3.3. Relocated building. 4.3.3.1. A building intended for use as a dwelling must have previously been designed, built and used as a dwelling. 4.3.3.2. All work required to reinstate the exterior must be completed within 6 months of the building being delivered to the site. This includes providing connections to all infrastructure services and closing in and ventilation of the foundations. The owner of the land on which the relocated building is to be located must certify to the Council, before the building is relocated, that the reinstatement work will be completed within the 6 month period. 4.3.3.3. The siting of the relocated building must also comply with Standards 4.2.1.1 to 4.2.1.16 (inclusive). 4 – 7