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  6. Designated Investigation Agency | A historical investigation that proves the seller's integrity and facilitates smooth real estate transactions.

Designated Investigation Agency | A historical investigation that proves the seller's integrity and facilitates smooth real estate transactions.

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Geographical and historical survey

last updated:Jun 29, 2026

ジオテック
ジオテック
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Preemptively clarify soil contamination risks and eliminate post-sale troubles! A voluntary historical investigation service that builds a strong trust relationship with buyers through honest information disclosure.

This is a voluntary land environmental survey service aimed at eliminating soil contamination risks in real estate transactions and ensuring safe land sales. As a designated investigation agency by the Ministry of the Environment, we conduct a thorough "historical land use survey (Phase 1)" of the target site, swiftly investigating its past land use history through public documents and old maps. Furthermore, if there are concerns about risks, we can seamlessly proceed to "sampling survey (Phase 2)," where we actually collect and analyze soil from the site. By establishing the safety of the underground as objective numerical data in advance, we prevent legal disputes such as claims for damages due to hidden defects or contract cancellations after the handover. We demonstrate the seller's integrity by making information transparent and disclosed, thereby building trust with the buyer and supporting smooth sales negotiations. We cater to diverse practical needs, such as the sale of operating factories or sites, and the evaluation of environmental liabilities associated with M&A, providing reliable evidence to protect the asset value of companies. Consultations and estimates are free of charge. This is the optimal voluntary soil contamination survey for seller-led transactions.

    Site and ground investigationGeological SurveyEnvironmental Survey
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Designated Investigation Agency | A historical investigation that proves the seller's integrity and facilitates smooth real estate transactions.

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photo1.png photo1.png SCSC2.JPG photo1.png photo2.png ジオテック.jpg
  • Related Link - https://www.jiban.co.jp/service/env/index.htm
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basic information

This is a specification for a reliable soil environment survey service designated by the Ministry of the Environment. We conduct historical surveys and sampling analyses in accordance with the Soil Contamination Countermeasures Act, various guidelines, and local government soil regulations using official methods. The survey process includes Phase 1 historical surveys using registries, old maps, and administrative information, followed by Phase 2 site surveys involving sample collection and chemical analysis. We target specific harmful substances such as volatile organic compounds, heavy metals, and pesticides, and issue high-precision analysis reports from specialized institutions registered under Article 107 of the Measurement Act. We will introduce optimal equipment suited to the site conditions, including portable boring machines that can be used in narrow spaces. We will respond with reliable technical specifications.

Price information

 

Price range

P3

Delivery Time

P4

Applications/Examples of results

It is used for evaluating land environmental risks before the conclusion of real estate sales contracts, confirming the presence or absence of voluntary soil contamination associated with factory reconstruction or closure, and assessing environmental liabilities related to the land owned by target companies in M&A (the risk of impairment of tangible transfer assets). Additionally, it serves as objective legal evidence for incorporating special provisions regarding warranty liability for defects after land transfer into contracts. Furthermore, it is an extremely suitable service for preemptive measures for mandatory investigations based on regulations when the development area exceeds 3,000 square meters, as well as for preliminary analysis to meet acceptance standards for construction-generated soil (excavated soil). It is widely adopted in various business scenarios to protect corporate social credibility and asset value.

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Designated Investigation Agency | Soil Contamination Survey | A voluntary historical investigation process to objectively prove the seller's integrity and prevent hidden defect troubles during real estate transactions | Geotech

Designated Investigation Agency | Soil Contamination Survey | A voluntary historical investigation process to objectively prove the seller's integrity and prevent hidden defect troubles during real estate transactions | Geotech

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Soil Contamination Survey and Historical Investigation Brochure for Real Estate Companies

Soil Contamination Survey and Historical Investigation Brochure for Real Estate Companies

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ジオテック

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