Soil Contamination Survey for Real Estate Development | Geotech (Designated Survey Agency)

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Soil contamination consulting

last updated：Sep 07, 2026

ジオテック

Support for soil contamination risk assessment for obtaining development permits.

In real estate development and land acquisition, the risk of soil contamination due to past land use can lead to unexpected additional costs and delays in development. The presence or absence of soil contamination is also an important consideration in the development permit acquisition process. Geotech, as a Ministry of the Environment designated investigation agency, assesses and evaluates soil contamination risks based on reliable technical specifications, from historical land use surveys (Phase 1) to general surveys (Phase 2) and detailed surveys (Phase 3). This helps reduce risks associated with development and supports a smooth acquisition of development permits. 【Usage Scenarios】 - Before starting new real estate development projects - Risk assessment before land acquisition - Confirmation of soil contamination status before development permit application - Demolition and redevelopment of existing buildings 【Benefits of Implementation】 - Reduction of soil contamination risks associated with development - Clear identification of the presence of hazardous substances through reliable soil general surveys (Phase 2) conducted before construction, along with comprehensive support for the preparation of reports for administrative submission.

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basic information

【Features】 - Support from Phase 1 (historical investigation) to detailed investigations based on regulations - Development of optimal investigation plans tailored to customer objectives and land risks - One-stop provision of purification measures, construction, and management in case soil contamination is detected - Reliability as a Ministry of the Environment designated investigation agency - Ownership of a compact boring machine "SCSC" capable of operating in narrow spaces and indoors 【Our Strengths】 Geotech provides "total ground services," offering a one-stop solution for all ground-related tasks, including ground investigations, reinforcement design, construction, building differential settlement correction work, and soil contamination investigation and remediation projects. With extensive experience and proven technology, we comprehensively support our customers in managing soil contamination risks in real estate development.

Price information

Please consult us as it depends on the details of the investigation.

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Applications/Examples of results

Conducting "Historical Investigation (Phase 1)" and soil contamination risk screening assessment before commencing urban development and real estate development. Soil gas and soil sampling on-site in compliance with legal obligations and municipal regulations, along with precise testing for hazardous substances. Environmental hazardous substance assessment tests for construction-generated soil (excavated soil) associated with land development and demolition work, and preparation of environmental investigation reports under the name of a designated investigation agency.