Some of the key components to be evaluated when considering dredging as a clean-up method include: Removal of contaminated sediments from the waterbed is complex and demands thorough, detailed environmental assessments. Ultimately, the aim is to improve overall water quality and restore the health of aquatic ecosystems. Remediation dredging – sometimes called environmental dredging – helps responsible authorities comply with present environmental standards for the removal of dangerous contaminants. Presently national and international governing bodies have strict legislation about contaminants and their disposal, what is permissible and what is not. The whole world has become more environmentally conscious. In the last 25 years, environmental regulations have clearly changed. Contaminated sediments are often found in industrialised countries, where, historically speaking, few regulations for heavy industries were in place.
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