エコシステムエンジニアリング List of Products and Services

This document is a handbook that teaches the necessary procedures for soil contamination work. It includes numerous sections on how to conduct soil contamination surveys, administrative procedures, and how to carry out remedial work. Each section features illustrations and detailed explanations, making it a user-friendly resource. We encourage you to read it. 【Contents (partial)】 ■ What is the Soil Contamination Countermeasures Act? ■ How to conduct soil contamination surveys ■ Differences between areas requiring notification during changes in characteristics and areas requiring measures ■ How to proceed with administrative procedures ■ How to carry out remedial work 1 *For more details, please refer to the PDF document or feel free to contact us.

• Civil Engineering Method

The "PRB method" involves the installation of a permeable reactive barrier (PRB) downstream of contaminated groundwater to prevent the spread of contamination. After the installation of the PRB, groundwater monitoring becomes the primary task, and it is maintenance-free. Additionally, the development of a construction method using a three-axis auger eliminates the need for retaining wall construction, making it applicable even to deep contaminated groundwater (up to 40 meters underground). 【Features】 ■ Maintenance-free (only monitoring is conducted) ■ Does not hinder the natural flow of groundwater ■ Reliable diffusion prevention measures ■ Applicable to deep contaminated groundwater as well *For more details, please download the PDF or contact us.

• Civil Engineering Method

The "DIM Method" is a technology that directly mixes special iron powder for soil purification into the ground to clean contaminated soil affected by organic chlorinated compounds in situ. In addition to being able to directly access deep contamination sources, it can supply the required amount of iron powder in a dry form, making it less likely for ground softening to occur after construction. 【Features】 ■ Direct purification of contamination sources ■ Iron powder mixing is possible even for deep contamination ■ Since only iron powder is supplied in a dry form, ground softening is less likely to occur ■ Fundamental purification without excavation (no need for retaining wall work) *For more details, please download the PDF or contact us.

• Special Construction Method
• Ground foundation construction method