leakage(The accidental, uncontrolled discharge or seepage of liquids, gases and other substances to unintended and unwanted locations, frequently causing risks of damage or harm to persons, property or the environment)
lease(Any agreement which gives rise to relationship of landlord and tenant (real property) or lessor and lessee (real or personal property). Contract for exclusive possession of lands or tenements for determinate period. Contract for possession and profits of lands and tenements either for life, or for certain period of time, or during the pleasure of the parties)