SHAH ALAM: Perak River, Kuantan River and Terengganu River which are well-known among anglers, are among 11 rivers in the country detected to have the most hazardous chemicals, namely arsenic and benzo(a)pyrene from used motor oil, which could pose a cancer risk when exposed, reports Sinar Harian.
According to an analysis of polycyclic aromatic hydrocarbons (PAHs) by a collaboration of Universiti Putra Malaysia (UPM), Universiti Malaya (UM) and Tokyo University, Japan, the highest concentration of benzo(a)pyrene was found in the Klang River.
