The World Aquatics Championships open water events proceeded on Wednesday (Jul 16) afternoon, after water quality results showed “significant improvement”. Three samples taken along the competition course at 5pm on Tuesday showed the levels of E. coli bacteria falling between the ranges of “good” to “excellent”. Andrea Heng and Hairianto Diman find out more from Emeritus Professor Ng Wun Jern from the School of Civil and Environmental Engineering, NTU about the safety issues relating to E. coli bacteria.

The World Aquatics Championships open water events proceeded on Wednesday (Jul 16) afternoon, after water quality results showed &ldquo;significant improvement&rdquo;. Three samples taken along the competition course at 5pm on Tuesday showed the levels of E. coli bacteria falling between the ranges of &ldquo;good&rdquo; to &ldquo;excellent&rdquo;. Andrea Heng and Hairianto Diman find out more from Emeritus Professor Ng Wun Jern from the School of Civil and Environmental Engineering, NTU about the safety issues relating to E. coli bacteria.

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The best interviews from CNA938 on Singapore news, current affairs, health, entertainment and money.

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The best interviews from CNA938 on Singapore news, business updates, entertainment and food.