Presumption that occupier caused discharge etc

If any segment or element of the environment is polluted as a result of a discharge, emission or deposit of any substance from or on any premises on which there is conducted any commercial or industrial undertaking, the occupier of the premises is deemed to have polluted that segment or element of 142 Environmental Protection the environment unless the occupier adduces evidence that the discharge, emission or deposit was unrelated to the commercial or industrial undertaking. ship.