Designated Investigation Agency | Do Not Halt Development Projects Due to Early Soil Contamination Assessment

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Soil contamination survey

last updated：Sep 07, 2026

ジオテック

Independent investigation to prevent delays in factory reconstruction and development. Smooth commencement and construction are achieved through preliminary soil contamination sampling and early assessment.

In projects involving the reconstruction of factories, redevelopment of operational sites, or acquisition of new development land, the discovery of soil contamination after construction begins poses the greatest management risk, leading to work stoppages, enormous additional costs, and significant delays in business plans. This service is a self-investigation solution strategically implemented at the planning stage or before the sales contract to completely prevent stagnation at such development sites. Based on advanced know-how as a designated investigation agency, we conduct reliable soil contamination sampling with a flexible schedule that does not interfere with the layout of existing buildings or operational processes. By early determining the presence of specific hazardous substances such as heavy metals and organic solvents, it becomes possible to advance changes in foundation design, select countermeasure methods, and secure appropriate treatment routes for construction-generated soil in advance. We establish a smooth construction process without setbacks, strongly supporting the overall acceleration of transactions and the reliable execution of corporate investment recovery plans.

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basic information

This is a self-investigation specification optimized for implementation at operating factories and buildings scheduled for demolition, linked to construction activities. In the historical investigation, past production lines and chemical substance usage reports are scrutinized. In the field survey, small and lightweight boring machines that can be brought into limited narrow spaces or low-ceilinged indoor areas are used to conduct accurate soil contamination sampling. Based on the official analytical methods announced by the Ministry of the Environment, we quickly carry out everything from sample collection to analysis and the creation of contamination depth mapping, providing technical data that is directly linked to design and construction management.

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Applications/Examples of results

It is utilized for the pre-confirmation of underground environmental risks during the reconstruction and plant updates of operating chemical plants, metal processing factories, and printing companies. It is also ideal for environmental due diligence in pre-sale investigations of land intended for redevelopment, as well as for the practical assessment of pre-contamination of construction-generated soil to comply with local government soil regulations. It is widely adopted to completely eliminate underground risks before construction begins, ensuring smooth collaboration with general contractors and construction companies, and demonstrating safety considerations for the surrounding environment.