As reported by Reuters, although Japanese Prime Minister Abe said to International Olympic Committee dignitaries in Buenos Aires last September “Let me assure you the situation is under control” at Fukushima Daiichi, in his successful bid to secure the 2020 Summer Games for Tokyo, it appears he was mistaken.
“It’s embarrassing to admit, but there are certain parts of the site where we don’t have full control,” Akira Ono told reporters touring the plant last week.
Ono is TEPCO's Fukushima Daiichi top manager.
He was referring to recent incidents, including TEPCO directly "203 tons [203,000 liters, or about 53,600 U.S. gallons] of highly radioactive water to the wrong building, flooding its basement. Tepco is also investigating a leak into the ground a few days earlier from a plastic container used to store rainwater. In February, a tank sprouted a 100-ton [100,000 liters, about 26,400 gallons] leak of radioactive water, the most serious incident since leaks sparked international alarm last year."
The ALPS (Advanced Liquid Processing System) was fabricated at Fukushima Daiichi by Toshiba with participation by Areva. It is designed to filter out some 60 radioactive substances from the constant flood of radioactive water at the site, including Cs-137 and Sr-90 contamination. However, apart from some test runs, ALPS has largely sat idle for the past two years. Just two days ago, "a ton [about 264 gallons] of radioactive water overflowed from a tank" in the ALPS system.
Thus, 440,000 tons [440,000,000 liters, or more than 116 million gallons] of highly radioactive water has accumulated in some 1,000 hastily built storage tanks, some of which have themselves failed, overflowed, or leaked, releasing large quantities of contamination into the soil, groundwater, and ocean.
Each week, TEPCO adds another two to three 1,000-ton [1,000,000 liters, or more than 264,000 gallons] storage tanks to deal with the non-stop deluge of radioactively contaminated cooling water needed to keep the melted cores in "cold shutdown," as well as the radioactive groundwater it mixes with in the basement levels of the shattered reactor buildings and damaged turbine halls.