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  6. Designated Investigation Agency | Preventing defects through voluntary investigations before real estate transactions and sales contracts for early assessment.

Designated Investigation Agency | Preventing defects through voluntary investigations before real estate transactions and sales contracts for early assessment.

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Soil contamination survey

last updated:Jun 28, 2026

ジオテック
ジオテック
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Pre-contract investigation to prevent hidden defects in real estate transactions. Early determination through soil contamination sampling to support faster transaction speed.

If soil contamination is discovered after the real estate sales contract, it can lead to long-term legal disputes such as damage claims or contract cancellations, resulting in significant losses for the company. This service is a self-investigation solution for soil conducted by the buyer or seller at the optimal timing before the contract, aimed at preventing troubles caused by such hidden defects. By evaluating the historical and geological risks of the target site and conducting precise soil contamination sampling before any legal obligations arise, we can quickly determine the presence of contamination. This allows for the advancement of safe real estate sales agreements while maintaining transaction speed. Based on the investigation results, it is possible to clearly specify the responsibilities for countermeasures and cost burdens in the contract, thereby completely eliminating future legal risks. As a neutral and rigorous designated investigation agency, we provide reliable environmental evidence and strongly support smooth land transactions without stagnation, as well as sound asset liquidity management for companies.

    Site and ground investigationGeological SurveyEnvironmental Survey
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Designated Investigation Agency | Preventing defects through voluntary investigations before real estate transactions and sales contracts for early assessment.

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

This service is a self-investigation specification that fully complies with the soil contamination countermeasure guidelines established by the Ministry of the Environment. Based on the identification of usage history through historical research, the sampling locations for soil contamination during on-site investigations are selected rationally. Sampling is conducted at 10-meter or 30-meter grid units, and the collection of soil gas, surface soil, and groundwater is carried out. Using officially registered analyses based on the Measurement Law, specific harmful substances such as heavy metals and volatile organic compounds are accurately quantified, resulting in a highly reliable report.

Price information

 

Price range

P3

Delivery Time

P4

Applications/Examples of results

It is used for the preliminary confirmation of contamination risks from underground facilities and specific hazardous substances before the conclusion of real estate sales contracts. In particular, it is ideal for due diligence conducted by the buyer when acquiring sites with a history of chemical industrial plants, printing companies, metal processing factories, etc. Additionally, it is widely used in practice when the seller aims to prove the land's soundness in advance to facilitate a smooth sale, or when real estate brokers ensure the safety of transactions and avoid dispute risks after mediation.

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Completely eliminate the risk of soil contamination defects through independent investigations and early assessments before the sales contract in real estate transactions | Designated investigation agency | Geotech

Completely eliminate the risk of soil contamination defects through independent investigations and early assessments before the sales contract in real estate transactions | Designated investigation agency | 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

ジオテック

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