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Cornwall Energy Recovery Centre (CERC), St Dennis

Cornwall Energy Recovery Centre (CERC) at St Dennis (also known as St Dennis incinerator) started operating in March 2017.  Cornwall Council receive regular enquiries from the public regarding monitoring of air quality and the following provides details of the arrangements.

Cornwall Council provides a grant to an Independent Accountable Body to undertake soil and air quality monitoring in relation to the CERC at St Dennis.  It is important to ensure that the monitoring is independent from Cornwall Council to maintain transparency, and is the reason for the appointment of an Independent Accountable Body.  No air quality monitoring relating to the CERC is being carried out directly by Cornwall Council.  The Department for Environment, Food and Rural Affairs (Defra) sets minimum threshold criteria where monitoring of roads, industrial activities etc are required by Local Authorities.  These thresholds have not been met, meaning that monitoring is not required.  An Air Quality Management Area (AQMA) would only be required where monitoring or pollution modelling indicates that there is a risk that UK air quality standards will not be met.

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St Dennis Parish Council undertook the role of Independent Accountable Body until the end of 2015.  Baseline air quality monitoring was carried out during 2014 and 2015. 

St Stephen in Brannel Parish Council has now entered into an agreement with Cornwall Council to take on the role of Independent Accountable Body.  Initially monitoring of fine particles in the air (microscopic solid or liquid matter) will be undertaken, possibly followed by other pollutants, and monitors will be located around the Clay Country.  Data will periodically be made available to the public by St Stephen in Brannel Parish Council via their website.

Monitoring of stack emissions is undertaken 24 hours a day, seven days a week and are controlled via an Environmental Permit issued by the Environment Agency.  Once analysed stack emissions data will be made available on the CERC biosite in retrospective monthly batches.  In addition information on the compliance of the site in accordance with the requirements of the Environmental Permit will be available from the Environment Agency upon request.

You can find more information on our Cornwall Energy Recovery Centre page.