An estimated one million tonnes of non-chemical ammunitions, bombs, rockets and shells
1948 - 14,000 tonnes of rockets with phosgene poison gas warheads
1950 - 1960 up to two tonnes of low-level radio active waste
1981 - "small quantities of concrete waste", according to the British government
"Part or all of a 2,500 ton consignment of nuclear waste," according to environmentalists.
Dump may also have been used before the second World War, but all the records have been destroyed.
