Fracking firm Cuadrilla has published its environmental monitoring data, relating to methane levels at its Preston New Road site.
The figures contain hundreds of thousands of separate air quality readings and has been posted on Cuadrilla's website as part in line with its Environmental Management and Monitoring Plan (EMMP), as required by a range of regulators such as Lancashire County Council, the Environment Agency, Health and Safety Executive and Oil and Gas Authority.
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