Staff
Key Technical Staff
-
Toshiyuki Toyoguchi : Waste Management, Asbestos, and Rare Metals
Vice Chair, Sustainable Society Promotion Consultants Association
Director, National Council for Proper Asbestos Disposal
Director, Japan Asbestos Countermeasure Technology Association
Fellow Member, Japan Society of Material Cycles and Waste Management -
Yohei Kawanaka : Atmospheric Environment
Ph.D. (Engineering)
Professional Engineer (Environmental Engineering) -
Masashi Sugie : Soil, Water Quality, and Waste Management
Ph.D. (Agriculture)
Professional Engineer (Comprehensive Technical Management / Environmental Engineering)
Certified Environmental Measurement Analyst (Concentration)
Committee Member, Water Quality and Soil Technology Committee, Japan Environmental Measurement & Chemical Analysis Association
Part-time Lecturer, Faculty of Agriculture, Tokyo University of Agriculture and Technology
Part-time Lecturer, Faculty of Science and Engineering, Meisei University -
Yoshiaki Ishii : Environmental Analysis
Professional Engineer (Environmental Engineering)
Certified Environmental Measurement Analyst (Concentration)
Class 1 Environmental Measurement Analyst (Field 3)
Director, Japan Society for Environmental Chemistry
Chair, Ultra Trace Analysis Research Group (UTA), Japan Environmental Measurement & Chemical Analysis Association -
Yukiko Iida : Occupational Health and Asbestos
Ph.D. (Engineering)
Visiting Lecturer, Kochi University Medical School
Certified Health Supervisor (Industrial Hygiene Engineering)
Class I Working Environment Measurement Expert (Organic Solvents, Dust, Specified Chemical Substances, Metals)
Evaluation Committee Member, Ministry of Health, Labour and Welfare (FY2022 Procurement Testing for Respiratory Protective Equipment Performance Assurance)
Editorial Manager, Journal of Hazardous Materials
Secretariat, Japan Branch, Asian Network of Occupational Hygiene
Delegate, Japan Society for Occupational Health
Secretariat and Planning Committee Member, Occupational Hygiene Technology Division, Japan Society for Occupational Health
Committee Member, Asbestos Analysis Research Committee, Japan Environmental Measurement & Chemical Analysis Association
Planning Committee Member, Comprehensive Asbestos Countermeasure Research Group
Steering Committee Member, Fit Test Research Group
Number of Certified Professionals
| Professional Engineer (Comprehensive Technical Management) | 1 |
|---|---|
| Professional Engineer (Civil Engineering) | 2 |
| Professional Engineer (Environmental Engineering) | 20 |
| Professional Engineer (Sanitary Engineering) | 1 |
| Doctoral Degree | 5 |
| Certified Environmental Measurement Analyst | 38 |
| First-Class Civil Engineering Construction Management Engineer | 6 |
| First-Class Certified Building Construction Management Engineer | 1 |
| Second-Class Civil Engineering Construction Management Engineer | 1 |
| Real Estate Transaction Specialist | 7 |
| Occupational Hygienist | 1 |
| Work Environment Management Specialist | 6 |
| Occupational Health Consultant | 1 |
| Working Environment Measurement Expert (Class I & II) | 49 |
| Chemical Substance Management Specialist | 3 |
| Odor Judge | 16 |
| Licensed Surveyor | 3 |
| Assistant Licensed Surveyor | 11 |
| Asbestos Work Supervisor | 31 |
| Certified Building Asbestos Surveyor (Specified & General) | 24 |
| Certified Asbestos Building Structure Inspector | 5 |
| Certified Asbestos Analysis Technician (A/B Rank) | 6 |
| Completion of Polarized Light Microscopy Training for Asbestos (Building Material Qualitative Analysis Expert Course) | 3 |
| Passed the Asbestos Qualitative Analysis Proficiency Test for Building Materials (Engineers) | 1 |
| Certified Soil Contamination Investigation Manager | 20 |
| Certified Geotechnical Investigator (Soil & Groundwater Contamination) | 1 |
|---|---|
| Soil Environment Supervisor | 2 |
| Soil Environment Conservation Specialist | 1 |
| Soil Environmental Risk Manager | 2 |
| Certified Environmental Assessor | 4 |
| Pollution Control Manager (Water, Air, Dust, Noise & Vibration) | 52 |
| Pollution Control Manager (Dioxins) | 19 |
| Specified Chemical Substances Work Supervisor | 18 |
| Organic Solvent Work Supervisor | 16 |
| Lead Operations Supervisor | 7 |
| Tetraalkyl Lead Operations Supervisor | 8 |
| Poisonous and Deleterious Substances Handling Supervisor | 6 |
| Specified Toxic Substances Researcher | 4 |
| Industrial Waste Management Supervisor (Specially Controlled Waste) | 11 |
| Hazardous Materials Handler (Class A & B) | 3 |
| Radiation Protection Supervisor (Class I & II) | 5 |
| X-ray Work Supervisor | 1 |
| Pharmacist | 1 |
| Medical Laboratory Technologist | 1 |
| Biotechnology Specialist | 1 |
| Operations chief of hazardous work of oxygen deficiency and hydrogen sulphide | 33 |
| Commercial Diver | 4 |
| Biotope Manager | 2 |
| Environmental Counselor | 2 |
| Arborist | 1 |
| Information Technology Engineer (Class I & II) | 3 |
As of July 2026
