Cover -- Copyright -- Contents -- Introduction -- Occurrence -- Guidelines -- Formation -- Chemistry of chlorination and chloramination - some basics -- Pathways for the formation of nitrosamines -- Identifying Systems at Risk -- Drinking water -- Recycled water -- Risk checklists -- Monitoring for Nitrosamines and Precursors -- General principles -- Drinking water -- Benchmarking -- Investigative sampling -- Routine monitoring -- Additional monitoring -- Recycled water -- Effluent to be used for augmentation of drinking water -- Effluent will not be used for augmentation of drinking water -- Control Measures -- Background -- Minimising formation -- Removal of nitrosamines -- Applying control measures -- At the source -- In the plant -- In the distribution system -- Summary -- References.