investigation Product List and Ranking from 232 Manufacturers, Suppliers and Companies | IPROS

Last Updated: Aggregation Period:Aug 12, 2026~Sep 08, 2026
This ranking is based on the number of page views on our site.

investigation Manufacturer, Suppliers and Company Rankings

Last Updated: Aggregation Period:Aug 12, 2026~Sep 08, 2026
This ranking is based on the number of page views on our site.

  1. ジオテック Tokyo//Other construction industries
  2. null/null
  3. サンウェイ Aichi//Service Industry
  4. 4 TRAWE main office Saitama//Other construction industries
  5. 5 日本海上工事 Tokyo//General contractors and subcontractors

investigation Product ranking

Last Updated: Aggregation Period:Aug 12, 2026~Sep 08, 2026
This ranking is based on the number of page views on our site.

  1. Sunway Corporation Limited - Company Profile サンウェイ
  2. Anhydrous Soil and Groundwater Investigation Machine ECOPROBE EP-26
  3. Penetrating Adhesive Method Primer "Penetrating KS Primer" 日本海上工事
  4. 4 Soil and groundwater investigation boring machine GEOPROBE 66DT
  5. 5 Underwater survey using an ROV equipped with a 3D scanner. いであ

investigation Product List

301~330 item / All 910 items

Displayed results

Designated Investigation Agency | Independent Investigation of Soil Contamination in Large-Scale Development | Geotech

To prevent delays in large-scale development projects for logistics warehouses and commercial facilities, we eliminate soil risks through buyer-led historical investigations and sampling.

This is a soil contamination self-investigation solution specialized for developers and construction companies planning the construction of logistics warehouses, distribution centers, and large commercial facilities before land acquisition. In the development of vast land, the past usage patterns are often diverse, and overlooking partial contamination risks can be fatal. This service aims to fully protect the interests of the buyer by first thoroughly examining the historical usage of the entire site through a "buyer-side historical investigation." In areas where the possibility of contamination cannot be completely ruled out, a "voluntary Phase 2 sampling investigation" is quickly deployed to directly detect and evaluate soil gas and harmful substances underground through official analysis. This prevents the greatest development risk of exposing contaminated soil after construction begins, which could lead to long-term halts in construction work and the collapse of business plans and tenant attraction. By obtaining accurate risk information in advance, it enables proper management of the project budget and negotiations for land price reductions, guiding the project to success on schedule.

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  • Site and ground investigation
  • Environmental Survey
  • Geological Survey
  • investigation

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Designated Investigation Agency | Voluntary Soil Contamination Survey by Official Analysis | Geotech

We thoroughly track the history of past hazardous substance usage and identify underground contamination risks through strict sampling by the buyer and high-precision official analysis.

This is a technology-oriented buyer-side self-investigation solution that thoroughly identifies the residual risks of various specific hazardous substances that were used in the past at sites such as chemical plants and metal processing facilities, and completely clarifies the reality of underground contamination through the highest precision official analysis. Since soil contamination cannot be confirmed visually, the success or failure depends on how deeply the past operational realities can be traced. In this service, the "buyer-side historical investigation" meticulously analyzes the history of raw material usage, manufacturing processes, drainage system diagrams, and Safety Data Sheets (SDS) from the Showa era with professional scrutiny, listing all substances that pose risks without omission. The subsequent field investigation conducts a "voluntary Phase 2 sampling survey" using the most suitable construction method for the target substances, and precise analysis in milligram and microgram units is performed in the lab according to the official methods designated by the Ministry of the Environment. This approach minimizes the development risks of incurring enormous purification costs or project setbacks due to overlooked contamination after purchase, ensuring reliable safety.

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  • Site and ground investigation
  • Dismantling and moving
  • Other civil engineering services
  • investigation

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Designated Investigation Agency | Historical research to prevent the cancellation of land transactions and facilitate sales negotiations.

Elimination of the risk of contract cancellation due to contamination discovered just before delivery! An investigation that proves safety based on reliable data and accelerates land sale negotiations.

This is a land environmental survey solution designed to preemptively avoid the worst-case scenario where soil contamination is discovered just before a land transaction, causing negotiations to come to a complete halt or fall through. Utilizing our extensive know-how as a designated survey organization, we visualize potential risks stemming from the land's past usage history at an early stage. By preparing solid evidence from the initial stages of the sales contract negotiations, we dramatically reduce the buyer's anxieties and psychological barriers, strongly supporting a smooth transaction completion on schedule. This is an essential practical measure to prevent unnecessary time loss and unexpected costs, establishing a safe and reliable real estate transfer process. It is also highly effective during factory rebuilds or asset reorganizations. This plan serves as an environmental measure solution that reliably demonstrates the safety of the underground during real estate sales, sincerely protecting the company's social credibility and the valuable asset value of the land. Please feel free to entrust us with your needs.

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  • Site and ground investigation
  • Environmental Survey
  • Geological Survey
  • investigation

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Designated Investigation Agency | Professional Pre-Contract Historical Site Investigation to Eliminate Underground Risks Before Handover

Preventing fatal troubles that arise after the contract and safeguarding the project! Conducting contract practice investigations to eliminate uncertainty and ensure safe asset acquisition.

This is a preliminary investigation aimed at eliminating the fatal delay issues that can cause a project to come to a complete halt when soil contamination is discovered after contract signing or construction commencement, specifically for professionals involved in real estate development, large-scale land alteration, and factory reconstruction. By completely eliminating uncertainties regarding the land's history at the optimal timing before handover, and ensuring that underground risks are manageable, we can prevent disruptions to development schedules and project budgets. Our objective and accurate environmental risk management, tailored to professional practices, strongly supports the advancement of safe and reliable projects. This plan serves as an environmental countermeasure solution that provides solid evidence of underground safety during real estate sales, sincerely protecting the company's social credibility and the asset value of important land. Please feel free to entrust this to us with confidence.

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  • Site and ground investigation
  • Dismantling and moving
  • Other civil engineering services
  • investigation

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Designated Investigation Agency | Investigation to Prevent Stagnation in Transactions of Cleaning Sites

To facilitate the land transaction of the former cleaning store site, we will prevent transaction delays or cancellations through an immediate soil contamination survey conducted by a designated investigation agency.

This service is a comprehensive soil contamination investigation solution aimed at real estate brokerage companies and developers, designed to promote real estate transactions of former cleaning store sites safely and with a sense of urgency. In cleaning stores and factories, there are concerns about the residual risks of chemicals associated with the maintenance of past facilities and equipment, in addition to chlorine-based organic solvents such as tetrachloroethylene used in the cleaning process. GeoTech Co., Ltd. quickly arranges a historical investigation (Phase 1) that analyzes past operational history and notification information from the perspective of a designated investigation agency, a current condition survey (Phase 2) tailored to the building's status and site restrictions, and a detailed investigation (Phase 3) to determine the extent of contamination, including investigations of residual soil associated with construction. By gathering accurate and objective investigative evidence, we prevent legal risks and issues related to disclosure deficiencies in important matters. We ensure transparency that all transaction parties can agree upon and strongly support the success of land sales and negotiations for changes in use.

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  • Site and ground investigation
  • Environmental Survey
  • Geological Survey
  • investigation

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Designated Investigation Agency | Legal Compliance Soil Contamination Investigation Solution for GS Transactions

Strict support for compliance with soil contamination countermeasures laws and regulations in gasoline station transactions! We reduce legal risks through phased sampling.

Soil contamination surveys during the sale of gas station land are essential procedures for compliance with the Soil Contamination Countermeasures Act and local government ordinances, as well as for preventing future legal liability risks. Our service, designated as a survey organization by the Ministry of the Environment, accurately and smoothly evaluates and visualizes the specific risks of hazardous chemicals associated with fueling stations. We can conduct comprehensive surveys covering gasoline components such as benzene, past additives like tetraethyl lead and 1,2-dichloroethane, as well as degreasers used in maintenance processes like dichloromethane and trichloroethylene, and contaminants from car wash detergents and refrigerants such as boron and fluorine, along with lead and cadmium related to batteries. After establishing risk areas in the first phase of historical investigation, we conduct soil gas and surface sampling in the second phase to assess the actual contamination. If necessary, we perform deep boring investigations and groundwater monitoring in the third phase to determine the three-dimensional extent of the contamination. Furthermore, we provide consistent support for the proper treatment analysis of demolition soil, strongly backing compliance with laws and facilitating smooth real estate transactions.

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  • Site and ground investigation
  • Environmental Survey
  • Geological Survey
  • investigation

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Designated Investigation Agency | Soil Contamination Investigation Solutions for GS Site Redevelopment

Promoting the safe conversion and sale of former gas station sites! We provide one-stop support from historical research to detailed analysis and soil disposal.

To smoothly complete the redevelopment of former gas station sites and land transactions, a planned soil contamination survey that aligns with the development process is essential. Our company provides one-stop support as a designated investigation agency, from historical surveys to detailed analysis, consideration of countermeasures, and confirmation of soil disposal. We can address a wide range of hazardous substances, including benzene from the refueling process, past tetraethyl lead and 1,2-dichloroethane, dichloromethane and trichloroethylene from maintenance pits, boron and fluorine from car wash and rust prevention agents, as well as lead, cadmium, arsenic, and selenium associated with electrical components and batteries. After identifying risk areas in Phase 1 historical surveys, we conduct soil gas and surface sampling in Phase 2 to quickly determine the presence of contamination. If contamination is confirmed, we establish the three-dimensional extent of contamination through boring investigations in Phase 3 and propose optimal countermeasure methods according to the redevelopment budget. Including soil analysis during removal work, we comprehensively support the success of business transformation.

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  • Site and ground investigation
  • Dismantling and moving
  • Other civil engineering services
  • investigation

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Site Investigation | Technical Proposal to Prevent Excessive Pile Lengths for Small Steel Buildings by Comparing Neighboring Data

By analyzing ground survey and neighboring data, we reduce the excess pile length of small-scale steel buildings. This prevents over-design and balances construction costs with safety.

In steel frame buildings constructed on narrow plots, there is a risk that designers, fearing potential dangers due to insufficient ground investigation data and location restrictions, may fall into "over-design" by extending piles deeper than necessary. Excessive pile lengths lead to increased material costs for steel pipe piles and longer construction durations, putting pressure on the overall construction costs. GeoTech addresses this risk of over-design by integrating space-saving ground investigations conducted in the limited area of the site with a rich database of surrounding ground data. By precisely cross-checking the continuous impact and torque data obtained from on-site investigations with nearby standard penetration test column diagrams, we completely eliminate uncertainty and clearly determine the depth and angle of the bearing layer. We calculate the shortest and optimal pile length on a per-unit basis, directly linked to the load conditions of the superstructure, significantly reducing unnecessary material and construction costs. We propose a highly practical solution that simultaneously establishes structural safety and drastically reduces total construction costs.

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  • Site and ground investigation
  • Geological Survey Company
  • Geological Survey
  • investigation

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Drone Roof Inspection × Sprayed Roof Renovation Method 'SOSEI Method'

With a sophisticated drone, safely inspect roofs from above! You can check the condition of the roof in real-time on the spot. Damaged areas can be identified immediately.

The "SOSEI Method" is a unique technique developed by Toyoko that allows for waterproofing, reinforcement, and insulation to be performed in a single application, making it suitable for the renovation of slate roofs. It involves spraying three layers of special resin to seamlessly integrate the surface. Additionally, we conduct a site survey when preparing estimates, and if requested, we can deploy a drone. 【Approved by the Aviation Bureau!】 Toyoko has received permission and approval from the Aviation Bureau, allowing flights across "all of Japan." 【Flight restriction areas due to population density】 Flights are possible by registering the flight plan with the "Drone Information Infrastructure System" each time. Toyoko registers and implements flight plans as needed, ensuring safe flights. <Advantages of using drones for roof inspections> ■ No worries about stepping on slate roofs, ensuring safety ■ No risk of high-altitude falls ■ Immediate confirmation of roof conditions ■ Roof inspections can be completed in a short time <Our company's drones> ■ Flight permission and approval from the Aviation Bureau ■ Manufactured by "DJI," the world's largest company with a 70% global market share ■ Capable of capturing high-quality images with 12 million pixels and 4K video ■ Equipped with omnidirectional obstacle detection sensors *You can view the materials from "PDF Download." Please feel free to contact us.

  • Earthquake-resistant construction method
  • Heat insulation and heat shielding methods
  • investigation

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Is the building healthy? 【Exterior wall inspection by Nippon Biso】

To understand the deterioration conditions and their causes in order to take appropriate measures early.

As time passes, buildings deteriorate, and various issues arise. Many of these aging phenomena not only reduce the basic performance of the building but, if left unattended, can lead to serious deterioration that affects the building's lifespan. To prevent this, it is important to first understand the deterioration conditions and their causes, and to take appropriate measures early on. At Nippon Biso, we consider this investigation and diagnosis work to be fundamental to exterior wall renewal projects. We are engaged in researching various investigation methods and developing more effective investigation and diagnosis techniques, including the accumulation of "live" data that serves as clues for judgment. The purpose of investigating and diagnosing the exterior walls is to create documentation for determining the timing, content, and methods of renewal work focused on the exterior walls. The investigation and diagnosis involve identifying the types, locations, and quantities of damages and issues that have occurred, as well as determining their causes, which will serve as valuable foundational data for renewal design, alongside assessing the future impact on the building.

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  • Renovation and repair methods
  • investigation

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Investigation of solar power generation equipment malfunctions

We will propose solutions to your problems with solar cell modules and solar power generation equipment, utilizing our expertise in fault detection.

● Evaluation/Analysis of Solar Cell Modules We conduct failure analysis and performance evaluation of solar cell modules. - Non-destructive testing: We reveal failure conditions through EL measurements and output measurements equivalent to product shipment inspections. - Destructive testing: We identify the causes of failure through cross-sectional component analysis of defective parts. ● On-site Investigation We investigate the damage to solar panels caused by natural disasters and the causes of power generation decline. - We propose appropriate methods, starting with measurements by Solament, to investigate failure conditions and causes. - Based on the investigation results, we will submit an investigation report to the insurance company.

  • Solar power generation equipment
  • investigation

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Authenticity investigation (comparative observation)

Compare the genuine or standard products with the items under investigation! Investigate whether there have been any silent changes, etc.

At AITES, we conduct "Authenticity Investigations (Comparative Observations)." We compare the item under investigation with genuine or standard products to examine differences in structure and to check for any silent changes. We support various observations, including visual inspections, unboxing observations, electrical property measurements, destructive and non-destructive observations, reliability testing, and material investigations. 【Features】 ■ Comparison of the item under investigation with genuine or standard products ■ Investigation of differences in structure and checks for any silent changes *For more details, please refer to the PDF document or feel free to contact us.

  • Analysis and prediction system
  • investigation

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Surface wave exploration method to eliminate unnecessary improvement work with highly accurate ground investigation methods.

Non-destructive testing that does not damage the ground for residential use! Reduce unnecessary ground improvement and piling work to cut costs!

The "Surface Wave Exploration Method" is a ground investigation technique that applies weak vibrations to the ground using a vibrator and analyzes the propagation conditions and speed of surface waves (seismic waves) with detectors (sensors). Ground data can be collected up to a depth of 10 meters, even in the presence of gravel and stones. By predicting the stratigraphic composition, it enables area-based analysis and allows for the extreme prediction of differential settlement possibilities. High-precision analysis reduces unnecessary ground improvement and pile construction, leading to cost reduction. Additionally, it decreases CO2 emissions generated by large machinery and soil contamination caused by ground improvement. 【Features】 ■ Five measurements are taken within the site → Survey points are established at the four corners and the center of the planned building location → This allows for a comprehensive assessment of ground conditions and predictions of internal stratigraphic inclinations ■ Accurate figures that do not rely on human intuition ■ Measurement is done over an area rather than a point → Measurement: the range between detectors (typically a circular area of 50 cm) → It is possible to obtain average ground information rather than partial information due to gravel or foreign objects. For more details, please contact us or download the catalog.

  • Geological Survey
  • Non-destructive testing
  • investigation

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Investigation of Unknown Water, Water Level, and Flow Rate

From screening to detailed investigation! Suitable for understanding the current situation and planned maintenance management.

Our company conducts "unknown water, water level, and flow rate surveys." We visualize the concentration levels of unknown water through screening using three types of water level chips. We also carry out monitoring of unknown water occurrence points using manhole stations. From screening to detailed investigations, you can rely on Pentaf. Please feel free to contact us when needed. 【Features】 ■ Screening of unknown water using water level chips ■ Quantification of unknown water by block using flow meters ■ Monitoring of unknown water occurrence points using manhole stations ■ Matrix evaluation of water level risks based on sunny/rainy weather and half/full pipe standards, along with the development of hazard maps *For more details, please refer to the PDF materials or feel free to contact us.

  • Sewerage facilities
  • Environmental Survey
  • Other measuring instruments
  • investigation

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Investigation: Soil contamination survey

Our company is a designated investigation agency under the Soil Contamination Countermeasures Act.

On February 15, 2003, the "Soil Contamination Countermeasures Act" was enacted. To investigate soil contamination, an investigation based on the law is required. Please feel free to contact us regarding investigations related to specific hazardous substances, from surveys of target sites at the time of discontinuation to investigations related to land transactions.

  • Geological Survey
  • investigation

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Analysis of the atmosphere

We assist in accurate environmental management through precise measurement and analysis.

We will measure the particulate matter, NOx (nitrogen oxides), SOx (sulfur oxides), HCl (hydrochloric acid), etc., in the flue gas of boilers, generators, dryers, incinerators, and other equipment subject to the Air Pollution Control Act.

  • Environmental Survey
  • investigation

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Survey method developed to conduct only accurate construction: Structural survey.

A survey method developed to conduct only accurate construction work - Structural Survey.

The issues with the building, referred to as the "biggest problem," become unclear due to the evaluation points. This can lead to situations where construction is carried out to raise evaluation points even in areas that do not need to be publicly announced. Therefore, the Earthquake Research Institute has developed a survey method called structural investigation to clearly identify the "problems" and narrow down the construction, thereby reducing construction costs and ensuring that only necessary work is performed. 【Features】 - Conducts ground investigations such as differential settlement, ground subsidence, and ground loosening. - Investigates foundation shape, cracks, openings, number of anchor bolts, etc. - Assesses horizontal rigidity, including the rigidity of the first-floor ceiling and second-floor underfloor. - Investigates the transmission of forces from upper and lower floors, the strength of joints, wall quantity, wall arrangement balance, decay, and termite damage, including the vertical ratio of shear walls. ● For other functions and details, please contact us.

  • Earthworks
  • Pile and foundation work
  • Geological Survey
  • investigation

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Consulting business: Geological surveys and drilling

Listening to the messages from the earth...

We provide accurate basic data and abundant geological information through reliable investigation and analysis techniques, continuously making proposals for design and construction. Additionally, we prioritize environmental-related services, including investigations and measures for soil and groundwater contamination, as well as proposals to restore to "clean water and soil."

  • Other civil engineering works
  • investigation

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Type of inspection: Air survey

We are working to preserve and create living environments focused on the atmospheric environment.

We conduct measurements of air emissions, odors, noise, and vibrations from factories and business establishments, as well as planning for investigations, analyses, and countermeasure predictions in the general environment.

  • Incinerators and chimneys
  • Other civil engineering services
  • investigation

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Type of inspection: Noise and vibration survey

Noise refers to the general term for sounds that people perceive as "unpleasant," and its intensity is measured in "decibels."

Vibration pollution refers to the sensation of vibrations, either directly or indirectly, caused by ground vibrations generated by business activities, which propagate to buildings and other structures. To protect a comfortable environment, standards established by laws and regulations are in place. Our company conducts measurements and analyses of noise and vibration levels at environmental and source locations based on the Noise and Vibration Control Act, focusing on achieving a comfortable living and working environment.

  • Other civil engineering works
  • Other civil engineering services
  • investigation

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Construction consultant services - geological survey

Geological survey related to construction work.

In construction work, the ground plays various roles as a material for structures, as a support foundation for structures, and in terms of stability, the influence of groundwater, and the impact on the ground environment. Since the survey results are used as reference materials for planning, design, and construction at various stages of construction work, geological surveys need to be conducted using methods selected according to the situation and purpose at each site.

  • Bridge Construction
  • Other civil engineering works
  • Geological Survey
  • investigation

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Cavity Investigation

High-performance, high-precision multifunctional radar system in use! Capable of surveying tunnels, coastal protection, and more.

In the "Cavity Survey," we quickly and accurately investigate, digitize, and analyze cavities in the ground, tunnel walls, concrete, and underground buried pipes using a high-performance, high-precision multifunctional radar system. Additionally, our company offers a wide range of civil engineering-related services, including deteriorated concrete repair work and general civil engineering projects. 【Locations where cavity surveys can be conducted】 ■ Sewage treatment facilities ■ Tunnels ■ Coastal protection *For more details, please refer to the PDF document or feel free to contact us.

  • Earthworks
  • Site and ground investigation
  • investigation

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Material and Defect Analysis: Physical Property Investigation

Investigation using microhardness tester (DUH), dynamic mechanical analysis (DMA), and viscoelastic measurement (rotational rheometer), etc.!

Mitsuba Environmental Solutions conducts "physical property investigations." We mainly perform tensile tests, bending tests, and compression tests on resin materials, as well as hardness measurements, microhardness testing, and viscoelasticity tests. For example, in differential scanning calorimetry (DSC), we can evaluate the thermal properties of materials (such as endothermic and exothermic reactions due to melting and crystallization, glass transition, specific heat capacity, and thermal history) based on changes in heat flow when the temperature is varied. [Target] ■ Tensile tests, bending tests, compression tests (mainly for resin materials) ■ Hardness measurements (Rockwell hardness, Vickers hardness), microhardness testing (DUH) ■ Viscoelasticity tests (DMA, rheometer) ■ Thermal properties: DSC, TGA, TMA *For more details, please refer to the related links or feel free to contact us.

  • others
  • investigation

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Material Analysis Business Services

Equipped with a Samarl FE electron gun and the latest EDS/WDS.

We provide consultations on various issues related to quality control analysis of defective or defective products and intermediates, analysis of abnormalities or foreign substances in raw materials, composition investigation of products, intermediates, and raw materials, as well as the environmental impact of products, regardless of whether they are organic or inorganic.

  • Other construction services
  • investigation

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"Yuarlab" service that provides cutting-edge devices and engineers.

State-of-the-art electron microscope supported by excellent technicians.

When you feel various anxieties, such as having highly confidential development products, investigating the causes of complaints, not having an analysis lab in-house, lacking time, or not being able to use what you have freely, you can easily utilize the "Yua Lab" service as if it were your own lab.

  • Other construction services
  • investigation

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Comprehensive Water Research Institute - River, Marine, and Reservoir Survey

We conduct a wide range of services, including water quality surveys in public water areas, water quality surveys related to dredging work, and environmental surveys at water supply sources.

Public water areas (rivers, seas, lakes, etc.) have environmental standards and discharge standards established by the Water Pollution Prevention Act, the Special Measures Act for Lake Water Quality Conservation, and various local government ordinances. We conduct everything from field surveys to analysis and report preparation.

  • Water quality/pH measuring device
  • Environmental Survey
  • investigation

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Comprehensive Water Research Institute Soil Contamination Survey

I have experience in planning, investigation, and analysis in accordance with the Soil Contamination Countermeasures Act and various regulations.

We will conduct soil contamination surveys and analyses based on the Soil Contamination Countermeasures Act. In April 2010, the Soil Contamination Countermeasures Act was amended, requiring notification to the prefectural governor when changing the land characteristics of 3,000 square meters or more, thereby expanding the scope of regulation. We will assist in understanding the risks of soil contamination in environmental management systems (ISO 14001) at business sites and during real estate transactions.

  • Water quality/pH measuring device
  • Environmental Survey
  • investigation

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Jasco piping deterioration diagnosis survey endoscopic examination

An endoscope is inserted through the water supply terminal or cleaning port to visually observe and record the occurrence of rust lumps and blockage conditions inside the pipe using camera and video recording.

It is possible to directly visually inspect the piping that was actually used and estimate its remaining lifespan.

  • Non-destructive testing
  • investigation

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