Around 55 000 tons of chemical warfare agents (CWA) were dumped into the Baltic Sea after the World Word II. Official dumpsites are Bornholm Deep and Gotland Deep, but there is evidence for their presence also in other places on the seafloor. Their metal shells are corroding and leaking to the environment at a rate that has not been measured so far. Moreover, a large-scale leakage in case of distu ...