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Unofficial English explanation: Japanese laws and official Japanese-language sources control.

Asbestos CheckEvidence-based checks before construction work in Japan

Japan asbestos requirements

Asbestos pre-work check

Answer practical project questions to organize the Japanese pre-work survey, qualification, reporting, notice and record points that may need confirmation.

Important: This is an unofficial English explanation of Japan-specific requirements. Japanese laws and official Japanese-language sources control. No qualified or legal review is provided.
Verifying the current rule status…

Questions about this check

Does this tool determine whether asbestos is present?

No. It organizes reference points from your answers. It does not inspect materials, perform laboratory analysis or make a legal determination.

Is an asbestos survey unnecessary below 80 m² or ¥1 million?

No. Those figures mainly relate to government reporting thresholds. They do not by themselves remove the separate pre-work survey question.

Where are my answers processed?

Checker inputs are processed in your browser. The result is kept in browser session storage and is not included in the page URL.

Read the pre-work survey guide and verify every material point using the linked official Japanese sources.