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Morthen (H1)<br />

Brampton-en-lemorthen<br />

(H2)<br />

Thurcroft (H3)<br />

Ulley (H4)<br />

Penny Hill (H5)<br />

Brampton Villa<br />

(H6)<br />

Aston (H7)<br />

Hardwick (H8)<br />

Table 9.4 Exceedances of the ETSU-R-97 Derived Night-Time Criterion Curves<br />

by the Predicted LA90 Wind Farm Noise Immission Levels at each of the Noise<br />

Assessment Locations<br />

Location<br />

218<br />

Wind Speed<br />

3 4 5 6 7 8 9 10 11 12<br />

Prevailing Background Noise Level: Night Time 43.8 44.5 45.3 46.2 47.3 48.5 49.8 51.3 - -<br />

Noise Criterion : ETSU-R-97 48.8 49.5 50.3 51.2 52.3 53.5 54.8 56.3 - -<br />

Predicted Wind Turbine Noise LA90 - 39.6 40.7 40.8 40.8 40.8 - - - -<br />

Exceedance Level LA90 - -9.9 -9.5 -10.4 -11.5 -12.7 - - - -<br />

Prevailing Background Noise Level: Night Time 43.8 44.2 44.4 44.8 45.7 47.1 48.6 49.9 - -<br />

Noise Criterion : ETSU-R-97 48.8 49.2 49.4 49.8 50.7 52.1 53.6 54.9 - -<br />

Predicted Wind Turbine Noise LA90 - 41.5 42.7 42.7 42.7 42.7 - - - -<br />

Exceedance Level LA90 - -7.7 -6.7 -7.1 -8.0 -9.3 - - - -<br />

Prevailing Background Noise Level: Night Time 43.7 44.0 44.5 45.3 46.6 48.0 49.2 49.5 - -<br />

Noise Criterion : ETSU-R-97 48.7 49.0 49.5 50.3 51.6 53.0 54.2 54.5 - -<br />

Predicted Wind Turbine Noise LA90 - 36.6 37.7 37.8 37.8 37.8 - - - -<br />

Exceedance Level LA90 - -12.4 -11.7 -12.5 -13.8 -15.2 - - - -<br />

Prevailing Background Noise Level: Night Time 40.3 40.5 41.5 43.4 46.1 49.2 52.0 53.5 - -<br />

Noise Criterion : ETSU-R-97 45.3 45.5 46.5 48.4 51.1 54.2 57.0 58.5 - -<br />

Predicted Wind Turbine Noise LA90 - 44.2 45.4 45.4 45.4 45.4 - - - -<br />

Exceedance Level LA90 - -1.3 -1.1 -3.0 -5.7 -8.8 - - - -<br />

Prevailing Background Noise Level: Night Time 48.3 48.5 48.7 49.1 49.8 50.9 52.5 54.6 - -<br />

Noise Criterion : ETSU-R-97 53.3 53.5 53.7 54.1 54.8 55.9 57.5 59.6 - -<br />

Predicted Wind Turbine Noise LA90 - 46.6 47.8 47.8 47.8 47.8 - - - -<br />

Exceedance Level LA90 - -6.9 -5.9 -6.2 -6.9 -8.0 - - - -<br />

Prevailing Background Noise Level: Night Time 43.8 44.2 44.4 44.8 45.7 47.1 48.6 49.9 - -<br />

Noise Criterion : ETSU-R-97 48.8 49.2 49.4 49.8 50.7 52.1 53.6 54.9 - -<br />

Predicted Wind Turbine Noise LA90 - 42.3 43.5 43.5 43.5 43.5 - - - -<br />

Exceedance Level LA90 - -6.9 -5.9 -6.3 -7.2 -8.5 - - - -<br />

Prevailing Background Noise Level: Night Time 35.2 35.1 35.4 36.3 37.9 39.7 41.3 41.8 - -<br />

Noise Criterion : ETSU-R-97 43.0 43.0 43.0 43.0 43.0 44.7 46.3 46.8 - -<br />

Predicted Wind Turbine Noise LA90 - 35.0 36.2 36.3 36.3 36.3 - - - -<br />

Exceedance Level LA90 - -8.0 -6.8 -6.7 -6.7 -8.4 - - - -<br />

Prevailing Background Noise Level: Night Time<br />

43.5 43.4 43.4 44.0 45.5 47.5 49.2 49.4 - -<br />

Noise Criterion : ETSU-R-97 48.5 48.4 48.4 49.0 50.5 52.5 54.2 54.4 - -<br />

Predicted Wind Turbine Noise LA90 - 38.9 40.0 40.1 40.1 40.1 - - - -<br />

Exceedance Level LA90 - -9.5 -8.3 -8.9 -10.4 -12.4 - - - -<br />

Penny Hill Wind Farm<br />

Environmental Statement

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