The ocean is humanity's common good, not Japan's private sewer, and to dump the nuclear-contaminated water into the ocean is "extremely selfish and irresponsible," Chinese Foreign Ministry Spokesperson Wang Wenbin said on Wednesday.

According to Japanese media, a report recently released by Tokyo Electric Power Company (TEPCO) shows that the radioactive element Cs-137 in black rockfish caught in the harbor of the Fukushima Daiichi Nuclear Power Plant in May far exceeded safety levels, reaching 18,000 Bq/kg, 180 times that of the standard maximum stipulated in Japan's food safety law.(Xinhua)