Soil contamination survey [Providing highly accurate and reliable investigation and analysis]

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last updated：Aug 08, 2018

Official site

We provide highly accurate and reliable soil contamination surveys!

Under the Soil Contamination Countermeasures Act (Soil Contamination Act), owners of land that was a factory or business site related to the use of specified harmful substances that have been discontinued must have the soil contamination status of that land investigated by a designated investigation agency and report the results to the governor of the prefecture. Additionally, some ordinances may have a broader scope of application for soil contamination investigations than the Soil Contamination Countermeasures Act. For example, the Tokyo Metropolitan Environmental Protection Ordinance requires that when a factory or designated work site is discontinued or removed, not only current but also past handled harmful substances must be investigated, and land alterations of 3,000 m² or more are also subject to investigation. Nisshin Environmental Investigation Center is a designated investigation agency and also an environmental measurement certification business, so if the possibility of soil contamination cannot be ruled out based on the investigation of materials, we will provide highly accurate and reliable investigation and analysis in accordance with the legally prescribed methods (official methods). *For details, please request materials or view the PDF data from the download.

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【Investigation and Countermeasure Flow】 - Confirm the possibility and extent of contamination by harmful substances based on land use history. - Conduct a surface soil distribution survey in areas with potential contamination and confirm and assess the contamination status according to standards. - At locations where contamination is confirmed, conduct vertical distribution surveys and groundwater surveys to confirm and assess the depth of contamination and the status of groundwater contamination. - Propose and implement various countermeasures according to the contamination situation. 【Analysis Items】 - Volatile Organic Compounds (VOCs): Class 1 Specified Harmful Substances - Heavy Metals, etc.: Class 2 Specified Harmful Substances - Pesticides, etc.: Class 3 Specified Harmful Substances 【Analysis Methods】 - GC/MS Analysis Method → Capable of identifying and quantifying substances, allowing for high-precision analysis even in samples with multiple substances at low concentrations. - ICP Emission Analysis Method → Qualitatively determines which metal elements are present in the sample and is suitable for low-concentration analysis. - HPLC Analysis Method → Each substance has a short retention time on the stationary phase, providing high separation and detection capability, allowing for analysis down to low concentrations. ● For more details, please contact us or refer to the catalog.