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  6. Designated Investigation Agency | Legal Compliance Soil Contamination Investigation Solution for GS Transactions

Designated Investigation Agency | Legal Compliance Soil Contamination Investigation Solution for GS Transactions

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Soil contamination survey

last updated:Aug 17, 2026

ジオテック
ジオテック
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Strict support for compliance with soil contamination countermeasures laws and regulations in gasoline station transactions! We reduce legal risks through phased sampling.

Soil contamination surveys during the sale of gas station land are essential procedures for compliance with the Soil Contamination Countermeasures Act and local government ordinances, as well as for preventing future legal liability risks. Our service, designated as a survey organization by the Ministry of the Environment, accurately and smoothly evaluates and visualizes the specific risks of hazardous chemicals associated with fueling stations. We can conduct comprehensive surveys covering gasoline components such as benzene, past additives like tetraethyl lead and 1,2-dichloroethane, as well as degreasers used in maintenance processes like dichloromethane and trichloroethylene, and contaminants from car wash detergents and refrigerants such as boron and fluorine, along with lead and cadmium related to batteries. After establishing risk areas in the first phase of historical investigation, we conduct soil gas and surface sampling in the second phase to assess the actual contamination. If necessary, we perform deep boring investigations and groundwater monitoring in the third phase to determine the three-dimensional extent of the contamination. Furthermore, we provide consistent support for the proper treatment analysis of demolition soil, strongly backing compliance with laws and facilitating smooth real estate transactions.

    Site and ground investigationGeological SurveyEnvironmental Survey
ガソリンスタンド2.png

Designated Investigation Agency | Legal Compliance Soil Contamination Investigation Solution for GS Transactions

ガソリンスタンド2.png
ガソリンスタンド2.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

As a designated investigation agency registered with the Ministry of the Environment, we provide high-precision survey techniques that fully comply with official methods. We have a comprehensive lineup of equipment, including soil gas sampling devices for measuring volatile organic compounds (VOCs), portable GC analyzers, surface sample collectors, and hydraulic boring machines. Our inspection items cover a wide range of specific hazardous substances, including VOCs such as benzene, dichloromethane, and trichloroethylene, heavy metals such as lead, cadmium, and hexavalent chromium, as well as boron and fluorinated compounds. We can quickly prepare formal investigation reports for administrative reporting and for attachment to sales contracts.

Price range

P3

Delivery Time

P4

Applications/Examples of results

It is ideal for confirming legal risks related to land sales and transfers due to the closure of gas stations, as well as for preparing administrative documents for submission. It can be used to provide objective evidence in response to inquiries from transaction partners regarding soil contamination, and to obtain data to support warranty clauses included in sales contracts. Additionally, it can be widely utilized in compliance management, such as assessing construction site ground risks when repurposing former gas station sites for other uses (stores, apartments, medical facilities, etc.), and for determining compliance for soil disposal associated with the removal of underground structures.

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Soil Contamination Survey | Soil Contamination Risk Assessment and Comprehensive Survey Guide for Compliance with Regulations in the Sale of Gas Station Properties | Geotech

Soil Contamination Survey | Soil Contamination Risk Assessment and Comprehensive Survey Guide for Compliance with Regulations in the Sale of Gas Station Properties | 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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