Designated Investigation Agency | Article 3 Investigation in Relation to the Sale of Factory Land Due to the Abolition of Specific Facilities

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Soil contamination survey

last updated：Sep 07, 2026

ジオテック

Responding to legal Article 3 investigations during factory sales or M&A involving the abolition of specific facilities for the use of harmful substances. Visualizing environmental liabilities and mitigating dispute risks after the transfer.

This theme explains how to clarify environmental liabilities and mitigate management risks in the context of "soil contamination status investigations under Article 3 of the law during the sale or M&A of factory sites," accompanied by the abolition of specified facilities using harmful substances. With the submission of the notification of the cessation of use of specified facilities, landowners and others are obligated to conduct soil contamination status investigations based on the main text of Article 3, Paragraph 1 of the law. In this legal response, it is essential for both buyers and sellers to take the initiative in managing risks before the contract stage to prevent long-term legal troubles such as massive damage claims or contract cancellations due to the discovery of soil contamination after the transfer. GeoTech's investigation begins with a meticulous historical survey that comprehensively verifies past public notification documents and chemical usage history, accurately classifying the target site based on the risk of underground infiltration of specified harmful substances. Next, it arranges unit plots according to the risk categories and conducts soil gas surveys and precise soil sampling in accordance with public standards to establish numerical data as irrefutable legal evidence. We provide a seamless service from the preparation of reliable administrative reports to the submission to the prefectural governor, ensuring safe real estate transactions and the maintenance of asset value.

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basic information

This service is a plan that complies with the statutory investigation based on Article 3, Paragraph 1 of the Soil Contamination Countermeasures Act, specifically focused on environmental liability assessment in transactions such as sales and M&A. In Phase 1, the historical investigation meticulously verifies public notification documents and the usage history of specific hazardous substances, preparing a land classification map based on risk categories. In Phase 2, during the sampling process, unit plots are established using a 10m or 30m grid, and soil gas surveys, as well as surface and subsurface soil sampling, are conducted in accordance with official methods to establish numerical data. The entire process covers measurements by registered analytical institutions based on the Measurement Act, written audits by technical managers, and the preparation of regulatory format reports for submission to the governor.

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Applications/Examples of results

The main application scenarios include responding to soil contamination surveys under Article 3 of the law in connection with the sale, dismantling, and M&A of chemical plants, plating factories, and various manufacturing sites that had established facilities for the use of harmful substances. Proactive investigations are conducted prior to contracts to identify hidden defects that may exist in the land, with the aim of visualizing environmental liabilities. Based on established and accurate public analysis data, a defect liability clause is included in the sales contract that clearly states the responsibility for measures and cost burdens, enabling safe real estate transactions with controlled risks. Through reliable reporting of results to the governor, it is used to protect the company's social credibility and to build evidence for asset defense to eliminate long-term legal disputes after the transfer.