Unacceptable!

The image above is from the Lervik WF in Sweden

No wonder people are getting sick!

Professor Ken Mattson, Professor in Scientific computing, Upsalla University, project leader and modeling expert and his team at RHOWS have perfected SoundSim360 a simulation tool that can predict sound propogation over vast distances, terrain and structures including infrasound.

This reveals noise levels of 80 to 105 dB in homes!

For perspective, 105 dB is the rating for the audible spectrum AT THE SOURCE for a Vestas V150 turbine.

More perspective:

In the UK, the maximum permissible sound level for infrasound in the workplace is generally governed by the Control of Noise at Work Regulations 2005. While there isn't a specific legal limit for infrasound, which is defined as sound below 20 Hz, employers are required to assess and manage risks associated with noise exposure.

For regular sound exposure, the action level is 80 dB(A), and the limit value is 87 dB(A). For infrasound, while specific limits may not be defined, the general principle is to minimize exposure to levels that could cause harm or discomfort. Employers should conduct risk assessments and implement measures to reduce exposure to infrasound when necessary.

It's important to consult with relevant health and safety guidelines and organizations, such as the Health and Safety Executive (HSE), for more detailed information and specific recommendations.

In the UK, the acceptable sound level for wind farm noise at residential properties is typically guided by the "ETSU-R-97" guidelines, which were established for assessing the noise from wind turbines. According to these guidelines, the recommended noise limits are:

1. **Daytime (07:00 - 23:00)**: The noise level should not exceed 35 dB(A) or the background noise level plus 5 dB(A), whichever is higher.

2. **Nighttime (23:00 - 07:00)**: The noise level should not exceed 43 dB(A) or the background noise level plus 5 dB(A), whichever is higher.

Additionally, the guidelines emphasize the importance of assessing the impact of wind turbine noise on the local community and suggest that developers take measures to minimize noise impact where necessary. Local planning authorities may also impose specific conditions based on individual site assessments. It is always best to refer to local regulations and planning policies for the most accurate information.

Again, ETSU-R-97 ONLY ADDRESSES THE AUDIBLE SPECTRUM ABOVE 20 Hz

It is likely that 30% of the population are sensitive to infrasound. Coincidentally about the same as for migraine sufferers! Animals certainly are.

THIS DEMANDS ACTION!!

We have to lobby for this tool to be applied for all UK onshore wind farm applications. Our health and wellbeing depends on it!