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bacteriasimple, single-celled microscopic organisms (2) |
baseline datadata collected at the start of an intervention to provide comparison for the data collected later (15) |
baseline positionthe situation in an area before the start of an intervention (such as the launch of a WASH programme) (3) |
biochemical oxygen demand (BOD)amount of oxygen required by micro-organisms to break down the organic material in an effluent (4) |
biodegradablecapable of being broken down by biological processes (7) |
biodegradationbreaking down (decomposition) of organic substances by bacteria and other micro-organisms (4) |
biogasmixture of methane (about 60%) and carbon dioxide produced by decomposition of organic material by micro-organisms (5) |
biogas latrinetype of latrine where the excreta undergoes anaerobic digestion to produce biogas (5) |
blackwaterwastewater that contains urine and faeces (1) |