ONAS Glossary
الديوان الوطني للتطهير | http://www.onas.nat.tn/en/onas_glos...
It is the Glossary of ONAS site. ONAS was established by Law N° 73/1974, dated 3 August 1974, and was entrusted with the mission of management of the sanitation sector. The law establishing ONAS was amended by virtue of Law N° 41/1993, dated 19 April 1993, thus raising ONAS to the status of a main operator in matter of protection of the water environment and of combating pollution sources. ONAS is a public institution of an industrial and commercial character, enjoys civil status and financial autonomy and is placed under the authority of the Ministry of Environment and Sustainable Development.
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