Designated Investigation Agency | Soil Contamination Investigation Solutions for GS Site Redevelopment
Soil contamination survey
Promoting the safe conversion and sale of former gas station sites! We provide one-stop support from historical research to detailed analysis and soil disposal.
To smoothly complete the redevelopment of former gas station sites and land transactions, a planned soil contamination survey that aligns with the development process is essential. Our company provides one-stop support as a designated investigation agency, from historical surveys to detailed analysis, consideration of countermeasures, and confirmation of soil disposal. We can address a wide range of hazardous substances, including benzene from the refueling process, past tetraethyl lead and 1,2-dichloroethane, dichloromethane and trichloroethylene from maintenance pits, boron and fluorine from car wash and rust prevention agents, as well as lead, cadmium, arsenic, and selenium associated with electrical components and batteries. After identifying risk areas in Phase 1 historical surveys, we conduct soil gas and surface sampling in Phase 2 to quickly determine the presence of contamination. If contamination is confirmed, we establish the three-dimensional extent of contamination through boring investigations in Phase 3 and propose optimal countermeasure methods according to the redevelopment budget. Including soil analysis during removal work, we comprehensively support the success of business transformation.
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basic information
We provide a consistent investigation system through advanced equipment and technical know-how unique to designated investigation agencies. We are equipped with compact sampling machines that can accommodate narrow GS sites and indoor pits, portable VOC analysis equipment for field use, and deep boring equipment. We comply with official analysis for Class 1 volatile organic compounds (such as benzene and dichloromethane), Class 2 heavy metals (such as lead, cadmium, hexavalent chromium, arsenic, and selenium), Class 3 specific hazardous substances, and even boron and fluorine compounds. We create high-quality reports within short timeframes, contributing to adherence to development schedules.
Price information
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Price range
P3
Delivery Time
P4
Applications/Examples of results
After the closure of a gas station, the land can be utilized for land transactions, changes in use for condominiums, commercial facilities, medical and welfare facilities, and redevelopment projects. It is effective for pre-confirmation of development permit applications and building confirmation applications, as well as for risk screening materials in financial institution loan assessments. Additionally, it can be used as a residual soil determination test necessary for selecting disposal sites for construction-generated soil associated with demolition and excavation work. It is widely adopted to prevent troubles in land transactions, achieve rapid business transitions, and ensure safe post-use of the site.
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