Coastal waters North Sea In the past century, around 1.6 million tons of conventional and 250 000 tons of chemical warfare agents (CWA) were dumped in the coastal waters of the North and Baltic Seas. Most of [...] 300,000 tons of explosives dumped in the Baltic Sea Find out more > Dialogue & Lectures Policy advice Federal/Länder Committee on the North Sea and Baltic Sea (BLANO) Member of the Technical Working Group [...] share of 300,000 tons lies in the Baltic Sea, especially in the Bay of Kiel and Lübeck, while around 1.3 million tons of munitions are still suspected in the North Sea. Areas off Spiekeroog and Wangerrooge