Endotoxin emissions from commercial composting activities

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Bioaerosols are airborne particles of microbial, plant or animal origin and may be thought of as 'organic dust'. There is a growing recognition amongst scientists that there are potential health risks associated with inhalation of bioaerosols. These health risks include infections and irritations of the respiratory system. There is evidence that bioaerosols are generated at some waste facilities and therefore scientific research is needed to find the best way of managing these facilities to minimise health risks to the people who work there and also people living nearby. This project aims to develop new knowledge of a specific bioaerosol component of concern known as endotoxin. Endotoxin is a constituent of many bacteria found in compost and is known to cause adverse health effects including respiratory disease and lung damage if inhaled. However, the extent of the risk to the public from endotoxin released from composting facilities is unknown. This project aims to find out how much endotoxin is released from composting facilities, how far it will travel and whether the concentrations found in air from composting facilities could potentially affect the health of people living close to these facilities.