Receptor Number Base 2012 NO2
R9
R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29
68.
20.34 18.09 14.11 21.15 22.72 34.34 31.96 31.74 21.24 29.76 16.53 24.23 12.36 14.79 14.51 14.08 15.51 14.42 16.01 21.64 30.72
PM10 17.23
17.11 16.41 17.11 19.05 26.22 24.85 19.82 19.06 20.30 17.37 17.65 15.68 16.20 16.09 16.62 16.89 17.04 18.17 20.64 22.02
2018 ‘Without Proposed Project’ NO2
20.85 18.41 14.23 24.61 22.92 34.85 32.44 32.05 21.43 30.11 16.63 24.37 14.16 18.73 18.40 14.13 15.72 14.45 16.43 25.38 31.15
PM10 17.34
17.18 16.43 18.71 19.11 26.52 25.13 19.89 19.10 20.38 17.38 17.69 16.02 17.23 17.11 16.53 16.93 17.05 18.27 21.50 22.12
The results of the air quality assessment for the base year (2012), and year of construction ‘without proposed East Anglia THREE project’ (2018) scenarios show that concentrations of NO2 are below the annual mean air quality Objective of 40µg.m-3 at all identified receptor locations for the base and ‘without proposed East Anglia THREE project’ scenarios.
69.
In accordance with Defra guidance (Defra 2009), it may be assumed that exceedences of the 1-hour mean Objective for NO2 are unlikely as the predicted annual mean concentrations are less than 60µg.m-3.
70.
Concentrations of PM10 are below the respective annual mean Objective of 40µg.m-3. The short term PM10 Objective is predicted to be met at all identified receptor locations with no exceedences of the daily mean Objective of 50μg.m-3.
20.6 Potential Impacts 71.
Potential impacts from the proposed East Anglia THREE project may arise from:
Construction phase dust emissions; and Construction vehicle exhaust emissions.
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 20 Air Quality Page 26
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