Jialing river hydrologic station usually detection sediment concentration rather than the suspension density. However,dry mud quantity calculation of sludge for exhausting sludge system of water plants adopts the conversion ofsuspended solids / turbidity. This inconformity brings inconvenient and error to test the water quality. The applicability of sediment / turbidityinstead ofsuspended solids/turbidityis investigated. In order to overcome the problems,as for the water in Guangyuan section of Jialing Rive...