Canada’s Pest Management Regulatory Agency (PMRA) has opened a public consultation on its proposal to renew registration for copper thiocyanate in antifouling paints.
The biocidal substance is undergoing a standard re-evaluation, according to the rules of Canada’s Pest Control Products Act.
In its proposed re-evaluation decision, PMRA says copper thiocyanate is eligible to stay on the Canadian market because its human health and environmental risks are acceptable.
The substance has low toxicity and low potential for exposure when products containing it are applied according to the label directions, the agency says.
It expects aquatic environments to be exposed to copper leachates from treated boats. But when used as directed, the potential risk is acceptable, it says.
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