– The decomposition of the organic matter in sewage sludge by micro-organisms into carbon dioxide and water, in the presence of oxygen.

 – The rate at which biosolids can be applied which meets the nutrient requirements of a crop while preventing contamination of the soil, ground and surface waters.

 – The decomposition of the organic matter in sewage sludge by micro-organisms into methane, carbon dioxide and water, in the absence of oxygen.

 – Australian New Zealand Biosolids Partnership.

 – The use of biosolids for any purpose which provides benefit without harming or threatening public health and safety or the environment.

 – Sewage sludge that has been treated to reduce or eliminate health risks and improve beneficial characteristics. Biosolids are nutrient rich and may be suited to a range of beneficial uses in agricu [..]

 – Mixing of several products to form one product.

 – An area of vegetated land between an area of biosolids application and a drainage line, creek, river or sensitive area.

 – Colony Forming Unit (of faecal coliform bacteria) – A measure of viable bacterial or fungal numbers.

 – The process of assigning biosolids products into classes based on their quality. These classes vary from state to state. See individual state guidelines (Guidelines and regulations