20.4.4 Cumulative Impact Assessment 54.
For a general introduction to the methodology used for the cumulative impact assessment, please refer to Chapter 6 Environmental Impact Assessment Methodology. This chapter focuses on those cumulative impacts that are specific to air quality.
55.
For further details of the methods used for the cumulative impact assessment for air quality, see section 20.7.
20.4.5 Transboundary Impact Assessment 56.
20.5 Existing Environment 20.5.1 Local Air Quality Management
20.5.1.1 Mid-Suffolk District Council 57. A review of MSDC’s latest review and assessment report (MSDC and BDC 2011) has identified that there are no AQMAs currently designated within the district. This is likely due to the fact that land-use in the district is predominately rural.
20.5.1.2 Suffolk Coastal District Council 58. A review of SCDC’s latest review and assessment report (SCDC 2013) has identified that two AQMAs have been declared for elevated NO2 levels. The closest AQMA to the onshore cable route is at Lime Kiln Quay Road and St John’s Street in Woodbridge, which is situated approximately 1.8km north-east of the onshore boundary.
20.5.1.3 Babergh District Council 59. A review of the latest review and assessment report for BDC (MSDC and BDC 2011) showed that there is currently one AQMA designated for exceedences of the annual mean NO2 Objective in Sudbury. The AQMA is located approximately 26km west of the onshore cable route and is not situated along the site access route.
20.5.1.4 Ipswich Borough Council (IBC) 60. A review of IBC’s latest review and assessment report (IBC 2013) showed that there are currently four AQMAs within the borough, all within Ipswich town centre, that have been declared for exceedences of the annual mean Objective for NO2. It is anticipated that all four AQMAs will be merged to form one large town centre-wide AQMA in the near future due to monitored exceedences of the Objective outside the existing designations. The closest AQMA to the onshore cable route is at the Norwich Road/Valley Road junction in Ipswich, which is situated approximately
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 20 Air Quality Page 22
There are no transboundary implications with regard to air quality.
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