地ち層そう処しょ分ぶん

noun

geological disposal; deep geological disposal

Technical term used in nuclear waste management, referring to burying high-level radioactive waste deep underground in stable geological formations.

• 高こうレベル放ほう射しゃ性せい廃はい棄き物ぶつの地ち層そう処しょ分ぶんは、安あん全ぜん性せいの確かく保ほが最さい大だいの課か題だいだ。

  Ensuring safety is the biggest challenge for geological disposal of high-level radioactive waste.

• 地ち層そう処しょ分ぶんの候こう補ほ地ち選せん定ていには、地ち質しつ調ちょう査さが欠かかせない。

  Geological surveys are essential for selecting candidate sites for geological disposal.