Companies that dump their waste chemicals into the sewage system will now be up against a smarter opponent. National water agency PUB has installed a S$2.5mil (RM6.25mil) network of 40 sensors across the island to help nab such offenders. They can detect up to 400 chemicals and are sensitive enough to pick up highly diluted concentrations of the substances. Previously, PUB officers had to check the sewers with hand-held devices to identify toxic compounds like solvents and paint.
Read More
