The operator of the plant is confident it is safe, some say there are other risks that make not releasing the wastewater worse, most opposition is limited to saying hasn't been enough study, one scientist in particular says it is unsafe. We'll see what ends up happening later this month.
“a lack of adequate and accurate scientific data supporting Japan’s assertion of safety”.
“The risk of another earthquake or a typhoon causing a leak of a tank is higher, and they’re running out of space.”
“The concept of dilution as the solution to pollution has demonstrably been shown to be false, [...] [t]he very chemistry of dilution is undercut by the biology of the ocean.”
“I think it is important to evaluate the long-term environmental impact of these radionuclides,”
“We have confirmed that the tritium concentrations in the bodies of marine organisms reach equilibrium after a certain period of time and do not exceed the concentrations in the living environment,” [...] The tritium concentrations then decrease over time once the organism is returned to untreated seawater.
The IAEA [...] is expected to release a final report on the site and the plan for the wastewater release later in June.