JOHOR BARU: More than 150 light and heavy industries have been identified producing chemical waste similar to that discovered at the Tiong Nam Industrial Park and Desa Tropika Industrial Area, says Ling Tian Soon.
The Johor health and environment committee chairman Ling Tian Soon said that authorities have discovered that the waste is classified under codes SW323 and SW322, and added that it is typically associated with industrial by-products.