The researchers synthesized various block copolymers (BL01 to BL05) using different ratios of styrene (St), ...
"The inspection found that the source of the odour pollution was due to a chemical leak known as poly methacrylic acid (PMAA) from a storage tank, which is a liquid product produced by the premises.
which is believed to be a scheduled substance, poly methacrylic acid (PMAA), to overflow into drains up to Sungai Kuang.