This Regulation determines the rules for the correct, controlled and safe use of sludge for agriculture purposes and/or related agricultural land activities and the requirements that sludge must meet in order to ensure a safe and non-harmful impact on human health, soil and environment (including the rules for frequency of sludge testing).Sludge, object of this text, is a semi-solid slurry and can be produced as sewage sludge from wastewater treatment processes or as a settled suspension obtained from conventional drinking water treatment and numerous other industrial processes.The Annex is part of this text (it also provides the list of official values for quantities of heavy metals that can be added annually in agricultural land, here based on ten years average).
Implements: Law on waste management. (2013-11-28)
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The Bulgars, a Central Asian Turkic tribe, merged with the local Slavic inhabitants in the late 7th century to form the first Bulgarian state. In succeeding centuries, Bulgaria struggled with the Byzantine Empire to assert its place in the Balkans, but by the end of the 14th century the country was overrun by the Ottoman Turks. Northern Bulgaria attained autonomy in 1878 and all of Bulgaria became independent from the Ottoman Empire in 1908. Having fought on the losing side in both World Wars, Bulgaria fell within the Soviet sphere of influence and became a People's Republic in 1946.