Designated Investigation Agency | Comprehensive and Rapid Soil Contamination Survey | Geotech

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Soil contamination survey

last updated：Sep 07, 2026

ジオテック

To avoid delaying investment decisions for purchases, we provide a rapid survey that seamlessly integrates historical research, voluntary sampling, and contamination assessment.

This is a highly efficient, seamless self-investigation solution that meets the demands of purchasing agents who want to quickly assess soil contamination risks to the fullest extent within the limited negotiation period for land sales. The traditional method of splitting orders among multiple investigation companies by phase can lead to significant time losses in vendor selection and information handover, risking delays in investment decisions for purchases. Our service fully utilizes our expertise as a designated investigation agency by the Ministry of the Environment, integrating the entire process from the start of the "buyer-side historical investigation" to on-site "voluntary Phase 2 sampling investigation" in cases of suspected contamination, rapid official analysis, and final contamination risk assessment into a single seamless line. By flexibly organizing our own high-speed drilling equipment and specialized teams, we dramatically shorten lead times, swiftly eliminate critical development risks such as construction delays and project stagnation, and lead time-sensitive business deals to success with overwhelming speed.

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basic information

We adopt advanced speed investigation specifications to achieve both short delivery times and high precision. In historical investigations, we conduct high-speed analysis of a digitized land history database to immediately construct risk profiles. In the sampling process, we utilize rapid soil gas suction sampling technology and a self-propelled simple boring machine that minimizes setup time, significantly compressing on-site construction time. The sampled materials are directly transported to our partnered express analysis laboratory, where high-precision quantitative analysis compliant with official methods is determined and reported within industry-leading short delivery times.

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Applications/Examples of results

It is introduced during participation in time-limited real estate auctions, negotiations for the sale of commercial and logistics land with tight schedules, and due diligence in urgent business restructuring or M&A by factory management. Amidst looming deadlines for investment decisions, it is utilized as a strategic speed audit tool to quickly quantify underground environmental contamination liabilities and expedite the internal investment approval process. It is chosen as reliable evidence to swiftly determine the feasibility of purchases and secure deals under favorable conditions ahead of competitors.