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  6. Designated Investigation Agency | Seller-led Transaction Promoting Independent Soil Investigation | Geotech

Designated Investigation Agency | Seller-led Transaction Promoting Independent Soil Investigation | Geotech

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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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Measures to maintain an advantage over the buyer in land sale negotiations and to avoid liability for contractual nonconformity by taking the initiative in a voluntary land history investigation beforehand.

In real estate transaction negotiations, information asymmetry can lead to significant disadvantages for the seller. Particularly, the risk of soil contamination underground can result in the buyer seizing the initiative if preventive measures are not taken in advance, leading to excessive claims of defects in the sale, deductions for exorbitant remediation costs, and an inability to refuse unfair liability for contract nonconformity. This environmental document proposes a strategic approach for sellers to proactively conduct "voluntary soil investigations" to fully grasp the initiative in transactions. By completing voluntary historical investigations before the contract and accurately understanding the presence of specific harmful substances within their own company, sellers can engage in assertive negotiations that anticipate the buyer's moves. Evidence of safety backed by precise sampling and official analysis becomes the best defense against the buyer's excessive anxieties and unjust demands, scientifically disproving them. The high-precision reports provided by the designated investigation agency, Geotech, grant sellers absolute negotiating superiority, firmly enabling the sale of assets under the most favorable conditions for their company.

    Site and ground investigationDismantling and movingOther civil engineering services
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Designated Investigation Agency | Seller-led Transaction Promoting Independent Soil Investigation | Geotech

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photo8.png photo2.png photo1.png photo6.png photo8.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 highly accurate and dense voluntary soil survey that strongly supports seller-led strategic negotiations. In historical investigations, in addition to scrutinizing public documents, a chronological analysis of land modifications will be conducted to logically reinforce the absence of defects. In field surveys, a smart sampling grid will be arranged according to contamination risk classifications, designed efficiently to maximize proof effectiveness with a minimal number of sampling points. Analysis will be conducted at a registered laboratory based on strict official methods, rapidly confirming data on the leaching and content of specific harmful substances, thereby creating reliable documentation that can be immediately utilized in negotiations.

Price information

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Price range

P3

Delivery Time

P4

Applications/Examples of results

It is utilized to reject unreasonable price offers and excessive environmental risk hedge demands from the buyer's side during negotiations for the sale of large factory sites and commercial real estate, in order to establish a seller-led advantageous transaction scheme. It is presented as definitive evidence of safety during the final price negotiations before the sales contract is concluded, and is used to secure favorable seller indemnity clauses. Additionally, it serves as an optimal standard disclosure document to smoothly and profitably advance auction-type (bidding-type) sales procedures while simultaneously disclosing clean environmental information to multiple potential buyers.

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Explanation materials for voluntary soil surveys to achieve advantageous land transactions led by sellers | Designated survey organization | Geotech

Explanation materials for voluntary soil surveys to achieve advantageous land transactions led by sellers | Designated survey organization | 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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