Designated Investigation Agency | Conducting geological surveys to mitigate environmental liabilities in M&A and ascertain asset value.

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Geographical and historical survey

last updated：Sep 07, 2026

ジオテック

Accurately visualize invisible environmental liabilities in corporate M&A and asset valuation! A historical investigation method to preemptively block the impairment risk of tangible fixed assets.

In corporate M&A, business succession, and asset evaluation of owned land, invisible soil contamination becomes a "hidden environmental liability" that significantly undermines the true value of tangible fixed assets. This service thoroughly examines the historical manufacturing, use, and disposal records of specific hazardous substances on the land owned by the target company, providing a management risk management solution to financially assess future environmental risks. It supports the management's prompt and accurate decision-making and preemptively mitigates the risks of asset transfer and impairment, thereby establishing financial soundness and true corporate value in M&A based on objective data. This plan serves as an environmental countermeasure solution that reliably demonstrates the safety of underground areas during real estate sales, sincerely protecting the company's social credibility and the asset value of important land. Please feel free to entrust this to us with confidence.

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basic information

This is the basic specification for soil environment measurement conducted by designated survey organizations that meet the strict standards of the Ministry of the Environment. It fully covers the standard process based on the Soil Contamination Countermeasures Act, from Phase 1 document investigation and hearings to Phase 2 on-site sample collection. It addresses all items of specified harmful substances of Type 1, Type 2, and Type 3, and conducts sampling and measurement in accordance with official methods. Using high-precision analytical equipment registered as a measurement certification business, accurate values are calculated, and detailed investigation reports with legal evidential capacity are prepared. We are equipped with specialized equipment that adapts to various field environments, including simple mechanical boring technology (SCSC) that allows for rapid continuous soil sample collection even in indoor, sloped, or confined workspaces.

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It is utilized for legal obligation surveys based on Article 3 of the Soil Contamination Countermeasures Act during the closure or demolition of facilities that use specific hazardous substances, such as factories, gas stations, printing companies, and dry cleaners, as well as for voluntary environmental risk management associated with partial land sales or development activities. It is optimal for sellers in real estate transactions to demonstrate the safety of underground conditions in advance as a risk hedge against liability for defects, and for buyers to conduct due diligence when objectively evaluating potential purchase sites. Furthermore, it is frequently used as a preliminary analysis survey to fully meet the acceptance criteria of construction-generated soil (excavated soil) regulations established by various municipalities, including those in the metropolitan area (such as the five-point mixed method and pinpoint sampling).