Patent ID: 7287934

Claim:
In a system for effecting various kinds of monitoring for wastes subjected to underground stationary disposal within a disposal space constructed in the ground, a monitoring system for stratum disposal wastes, comprising: a monitoring device installed within the disposal space or a rock bed nearby the disposal space; a relay installed within a vertical shaft, a gallery or a bored hole; and a management device installed on or in the ground; wherein said monitoring device accommodates, in an airtight container, a power supply and a transmitter/receiver for transmitting, by radio, measured data sent from a sensor and receiving, by radio, a control signal sent from the management device, said relay is remote of each of said monitoring device and said management device and accommodates, in an airtight container, a power supply and a transmitter/receiver for effecting, by radio only, relay of signals sent from the monitoring device and the management device, said relay further including means for noise removal and signal correction of relayed signals sent to the monitoring device and the management device, said management device includes a signal transmitter/receiver, a data processing device, a data output device and a data input device, and said system is configured to allow said monitoring device to transmit, by radio, the measured data of items relating to the over-pack, the rock bed or the gallery support, said relay to effect the relay of said data signal, and said management device to receive said data signal.