CONTAMINATED SOIL INVESTIGATION AND TREATMENT DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a contaminated soil investigation and treatment device capable of measuring and investigating the concentration of soil gas in the depth direction, and performing contamination treatment of a spot.;SOLUTION: The contaminated soil investigation and treatment device includes a sampling tube 3 having a suction hole for taking the soil gas, a soil gas sensor 4 provided vertically movably in the sampling tube 3, seal bodies 7 provided on an upper part and a lower part of the soil gas sensor in the slide contact state on the inner surface of the sampling tube, a wire 9 having a built-in signal wire of the soil gas sensor and connected to the soil gas sensor, a concentration measuring device 12 connected to the signal wire in the wire, a suction tube 15 introduced into a space partitioned by the upper-part and lower-part seal bodies of the soil gas sensor, a suction pump 19 connected to the suction tube, and a soil gas purification device 20 connected to the suction pump.;COPYRIGHT: (C)2009,JPO&INPIT