Some of the documentation includes radioactivity monitoring levels, how people were irradiated and government evacuation plans, material not yet released, authority officials said.
The digitization will not include privately owned material compiled by the Tokyo Electric Power Co., operator of the power plant affected by the earthquake and tsunami, the Tokyo newspaper Yomiuri Shimbun reported Monday.
The newspaper added the process of digitization and uploading of the material to the Internet, will take about two years, adding the documents have been stored by a variety of government entities in Fukushima and Tokyo.
"The volume of documents is so huge that many have been left wherever they were put," the authority official told the newspaper.
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