Following Adam’s previous piece on August 22 and our various subsequent posts the BBC now reports that Tepco made the initial readings using equipment that could only read emmissions of up to 100 millisieverts an hour, and got a reading of 100 millisieverts an hour.A second recording, using more sensitive kit, showed 1,800 millisieverts an hour.

The Independent has more here

If the story carries weight look for it have an undermining impact on the Nikkei and USDJPY later as before when the severity was raised to Level 3