To obtain a method for purifying contaminated soil and contaminated ground water which is capable of performing purification being small-scale, needing substantially no after-treatment after a purification work, and being highly efficient.
A well 1 is drilled in soil contaminated with a chemical, a purification device 9 composed of a cylindrical container and a purifying material 7 is set in the ground water in the well 1, and the ground water in the well 1 is forced to pass into the purifying material 7. The purification device 9 is provided with the cylindrical container 11 which contains the purifying material 7 and a pump 15 which is formed in the cylindrical container 11 and forces the ground water to pass into the purifying material 7 in the cylindrical container 11.
ISHII MUTSUMU
KUSAMA TOMONORI
KAMIYA MITSUAKI
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