What are my children exposed to? Why I want testing for cancer-causing chemicals

People live near a lagoon. They are worried. They think there are dangerous chemicals in the water. They want to know if these chemicals can cause cancer. They want tests to find out.

The lagoon is called "a shame on Britain." People are concerned about PCBs. PCBs are chemicals. They can be harmful. The people want to be safe. They want to know what their children are exposed to.