Unknown pollutant killing marine specimens at research centre

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GEORGE TOWN: Live marine specimens in a laboratory in Teluk Bahang are dying from a pollutant that “invaded” the lab via sea water.

Although scientists have yet to identify the pollutant killing their specimens, the result was the stench of hydrogen sulfide – a toxic gas released by decaying organic matter – fuming out of the sea water used in the Centre for Marine and Coastal Studies .

She suspected a chemical pollutant and sent water samples to the chemistry team in Universiti Sains Malaysia yesterday for testing. Woo explained that when sea cucumbers feel threatened, they eject parts of their guts to scare off possible predators. Woo said they had eliminated wea­ther problems and the earlier inter-monsoon period was not to blame.“Although it felt hot last month, it was the usual inter-monsoon.

Cemacs senior science officer Sim Yee Kwang ran a dissolved oxygen test at the farms and found the DO level at 3.32 yesterday.

 

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