Mesothelioma News Firm fined for exposing workers near Chester to deadly dust By Mesothelioma News October 8, 2013 October 8, 2013 Mesothelioma News GrowHow UK has been fined 60,000 after about 50 workers were exposed to asbestos fibres which could cause lung cancer or fatal mesothelioma in later life. Firm fined for exposing workers near Chester to deadly dust Asbestos fiber found in rock at proposed mine site