The radiation levels of the first samples of seawater collected by the Environment Ministry since the crippled Fukushima nuclear power plant began to release treated water were below detectable limits, it said Sunday.Based on the analysis of seawater sampled Friday morning, the concentrations of tritium -- a radioactive material that cannot be removed even after the treatment of contaminated water generated at the Fukushima plant -- were at levels that "would have no adverse impact on human health and the environment," the ministry said.Amid persistent public concern in neighboring countrie…READ FULL ARTICLE