Köck M
Hygiene-Institut, Universität Graz, Osterreich.
Geogr Med Suppl. 1989;2:39-60.
Sludge contains all types of pathogenic organisms originating from the drainage system of the population. Decontamination is difficult and expensive, it is ranging from thermal-chemical to radioactive treatment of the materials. Suitable treatment and use of sludge can really reduce the health hazards to the population.