Biofilm
Water Treatment for Closed Heating and Cooling Systems (BG 50/2021), second edition, by Dr Pamela Simpson, published by BSRIA in 2021, defines a biofilm as: ‘A mass of bacteria and other microorganisms and particles embedded in an exopolymer attached to a surface.’
Water safety in buildings, published by the World Health Organization in 2011, defines Biofilm as: ‘A slimy matrix produced and inhabited by bacteria, which enables the bacteria to adhere to a surface and carry out certain essential biochemical processes.’
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