(i) waste disposal (municipal waste disposal and industrial waste disposal).
(ii) industrial and commercial activities (mining, oil extraction and production, and power plants).
(iii) military (military sites and war affected zones).
(iv) storages (oil storage, obsolete chemicals storage, and other storages).
(v) transport spills on land (oil spill sites and other hazardous substance spills sites).
(vi) nuclear.
(vii) other sources.