Statutory guidance: SR2009 No 4: combustion of biogas in engines at a sewage treatment works
Updated: We updated SR2009 No 4: combustion of biogas in engines at a sewage treatment works.
Standard rules and generic risk assessment for compression and spark ignition engines with an aggregated total rated thermal input of less than 5 megawatts to burn biogas produced from the digestion of sewage sludge at a sewage treatment works.
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