A controversial pollution case involving...Newmont Mining Corp., should be left to Indonesian courts, the government said...a government-commissioned probe...found sediment in Buyat Bay near a mine run by PT Newmont Minahasa Raya had significant levels of arsenic and mercury...Newmont maintains...it followed Indonesian laws [&]...was vindicated by two earlier studies -- one by the Indonesian government and another by the World Health Organisation -- which concluded Buyat Bay was not polluted.