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  6. Designated Investigation Agency | Reducing investigation costs through early assessment to promote real estate transactions.

Designated Investigation Agency | Reducing investigation costs through early assessment to promote real estate transactions.

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Soil contamination investigation

last updated:Jun 28, 2026

ジオテック
ジオテック
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A self-conducted survey to visualize underground risks while keeping costs down. Accelerating transaction speed through efficient soil contamination sampling and early assessment.

Soil contamination surveys in real estate transactions often become a bottleneck due to high analysis costs and long investigation periods, which can halt sales negotiations. This service is designed as a pre-sale self-investigation solution that prioritizes cost-effectiveness to dramatically alleviate such financial burdens and time losses. Utilizing advanced analytical capabilities as a designated investigation agency, we clearly assess the risk of the target site during the historical investigation phase. By accurately planning and executing soil contamination sampling in areas with a high potential for contamination, we optimize the number of samples collected to the necessary minimum, significantly reducing analysis costs. This allows for rapid early determination of underground environmental risks, enabling swift decision-making that prevents delays in real estate transactions and strongly promotes overall speed. Even if contamination is discovered, we can select pinpoint optimal methods based on detailed distribution data, thereby minimizing future remediation costs.

    Site and ground investigationDismantling and movingOther civil engineering services
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Designated Investigation Agency | Reducing investigation costs through early assessment to promote real estate transactions.

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  • Related Link - https://www.jiban.co.jp/service/env/index.htm
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basic information

This is a self-investigation specification that pursues cost performance and speed, focusing on efficiency. Based on past geological history analysis, areas at risk of contamination by specific harmful substances are classified into three levels. Precise soil contamination sampling is concentrated only in high-risk areas, while sampling in low-risk areas is simplified, significantly reducing investigation costs. Analysis is conducted based on reliable methods established by the Ministry of the Environment, and a report is created that encompasses necessary and sufficient geological risk data and evidence.

Price information

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Price range

P3

Delivery Time

P4

Applications/Examples of results

It is optimal for use in the sale of factory sites owned by medium-sized and small enterprises, as well as for risk confirmation practices before real estate sales contracts for those who want to conduct environmental due diligence within a limited budget. It is highly effective in the land acquisition practices of buyers who want to reliably check hidden defect risks in the land while keeping costs down, and in the environmental management practices of sellers who wish to prove soil safety as evidence with the minimum necessary costs in advance, thereby facilitating smooth asset liquidity and speeding up transactions.

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Promoting low-cost real estate transactions through soil contamination sampling and early assessment that reduce unnecessary expenses | Designated Investigation Agency | Geotech

Promoting low-cost real estate transactions through soil contamination sampling and early assessment that reduce unnecessary expenses | Designated Investigation Agency | Geotech

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Soil contamination survey

Soil contamination survey

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ジオテック

ジオテック

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