| removal of bacterial and viral faecal indicator organisms in a waste stabilization pond system in choconta, cundinamarca (colombia). | a major objective for domestic wastewater treatment using waste stabilization pond systems is the removal of pathogenic microorganisms. traditional evaluation parameters for faecal contamination are the total and faecal coliforms. however, epidemiological studies, environmental resistance and the behaviour in the treatment systems, show that viruses are an important disease agent and even more resistant to disinfection than bacteria. therefore, it is important to introduce viruses as a faecal in ... | 2002 | 11833732 |