Conventional traps and filters mountedwith suction systems are able to capture some of the amalgamwaste, and the rest ends up into the municipal sewer system.
Additional systems should therefore be used. Adegbembo et al. (2002)showed that ISO certified separators (International Organisationfor Standardisation 11143, 2008) used in connection with dentaldevices can result in a 99.4% reduction in mercury concentrationin the discharged waste water