Further reports were done. We need to ensure that we have evidence-based decision-making. Rather than relying on the 1997 report, we are relying on the 2017 report, which stated that there was no human health risk.
That said, we will undertake the update to the study to ensure that issues such as the one you're raising, as well as the ones the nations are raising, are addressed and are addressed in a way that is consultative.
Using the 1997 report is not evidence-based decision-making.