But a 2015 assessment showed small spikes in the level of PCB contamination in sediment and fish in the lagoon, that’s why the Coast Guard wants to conduct a new round of probe in 2017.

But a 2015 assessment showed small spikes in the level of PCB contamination in sediment and fish in the lagoon, that’s why the Coast Guard wants to conduct a new round of probe in 2017.

The U.S. Coast Guard has completed drafting the scope of work related to further investigation into polychlorinated biphenyl, or PCBs, and other chemical contamination in and around Cocos Island. It’s ...