Ores, coal, graphite and soot particles, and oil and grease products are mo
st widely spread technogenic components of the bottom sediments. A high lev
el of pollution in the bottom sediments (25%) has been identified in the co
astal zone of the industrial centres such as Mariupol', Taganrog and Yeysk.
Annual loads of technogenic materials entering the bay area have been esti
mated.