In February 2013, when we have resolved the problem on CO2 Recovery, the CO2 storage tank 2 volume is always at high level. In 1st week of February 2013, we noticed that the level at CO2 Storage tank was high already as indicated on icing of level pipe, and we estimate that the level is almost full already or around 19,000 kg. But the weight indicator registered 16,000 kg.