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National Testing

Johkasou Operator Exam
　It is a national examination stipulated in Article 46 of the Johkasou Act, and is designated as a designated examination institution by the Minister of the Environment (Showa 59/９) and is implemented.
Johkasou Installation Worker Exam
　It is a national examination stipulated in Article 43 of the Johkasou Act, and is designated as a designated examination institution by the Minister of Land, Infrastructure, Transport and Tourism and the Minister of the Environment (Heisei 23/3).

Johkasou Operator Exam - Applicants who Passed

Johkasou Installation Worker Exam Passed

Johkasou Operator Exam - Questions and Answers (for ３ years)

Johkasou Installation Worker Exam - Questions and Answers (for ３ years)

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Public interest incorporated foundation
Japan Education Center of Environmental Sanitation
130-0024
２-23-３ Kikugawa, Sumida-ku, Tokyo
TEL: 03-3635-4880 (Switchboard),

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