Related to this article..950,000,000,000 Bq/m3 of Cs-134/137 from reactor2 seawater trench shaft [URL]   According to Tepco, significantly high level of radioactive material was detected from reactor3 trench shaft too. The location is on the sea side of reactor3. It’s the shaft connected to the seawater trench. (1m depth under contaminated water) Cs-134 : 13,000,000,000 Bq/m3 Cs-137 : 26,000,000,000 Bq/m3 All β : 32,000,000,000 Bq/m3 Chloride concentration : 16,000 ppm   Generally the radioactive density is lower than reactor2 trench … Continue reading 39,000,000,000 Bq/m3 of Cs-134/137 measured from reactor3 seawater trench shaft