Designated Investigation Agency | High-precision analysis that meets the acceptance criteria for large amounts of residual soil.

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Soil survey

last updated：Jun 26, 2026

ジオテック

High-precision analysis that meets the acceptance criteria for large amounts of residual soil.

This is a large-scale project-specific research solution designed to comprehensively address the disposal challenges of a significant amount of construction-generated soil and residual soil from root excavation that arise from large-scale urban redevelopment and extensive infrastructure construction. As a designated research institution by the Ministry of the Environment, we conduct precise soil analysis based on official methods and efficient sampling surveys on a large scale, providing evidence to reliably demonstrate compliance with the strict acceptance standards required by various disposal sites and municipalities. We accurately zone the unique soil contamination risks of vast sites through preliminary historical investigations, optimizing analysis costs while ensuring thorough risk management without oversight. This completely eliminates the substantial loss risks associated with waiting times for dump trucks due to delivery refusals and project delays caused by the discovery of contamination during construction. With GeoTech's overwhelming mobility and reliable data, we strongly drive down the costs of large-scale construction and ensure adherence to schedules. This service is the optimal choice for thoroughly reducing your business risks and maximizing cost performance, serving as a solid foundation for ensuring safety in many construction projects.

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basic information

This is a specification for analysis and measurement methods compliant with official standards, designed to handle high-density and large sample sizes to ensure the progress of large-scale development is not halted. In addition to testing the leaching and content of first, second, and third category specific harmful substances, it quickly processes multi-sample bulk analysis necessary for managing large amounts of excavated soil. Sampling is conducted by simultaneously deploying multiple large self-propelled boring machines, allowing for the reliable collection of soil cores at specified depths from vast areas in a short period through dry excavation, with measurement certificates issued. Throughout all processes, we ensure reliable evidence without data tampering, delivering highly reliable results promptly to our customers.

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Applications/Examples of results

It is utilized for pre-inspection of large amounts of excavated soil generated from railway, road, large-scale residential land development, and commercial development of large factory sites. In simultaneous applications for disposal at multiple private landfills and reclaimed land, it aims to provide timely official evidence that meets each acceptance standard, facilitating smooth soil removal linked to dump truck scheduling plans. This system is widely adopted by purchasing managers of construction companies' joint ventures and site managers in various scenarios dealing with large amounts of excavated soil. It is an essential system for eliminating barriers to construction progress in advance and achieving a high level of cost reduction while fully complying with regulations.