Management System

安全は全てに優先する 安全は全てに優先する

Policy and Basic Approach

The Mitsui Chemicals Group places top priority on safety for the Group’s sustainable growth. Safety is the foundation of society’s trust, and at the same time, ensuring safety increases our manufacturing quality, leading to improvement of corporate value from the financial viewpoint.
With this approach, we established a management policy that states “Safety is our top priority,” and our Responsible Care Policy declares that, “We pledge that safety is our top priority and will focus on achieving zero accidents and occupational injuries.” Top management repeats this as the President’s message, etc. to all the Group employees on many occasions, such as in opening addresses, plants visits, Safety Day messages, and in Company newsletters.

The Mitsui Chemicals Group understands the key to realizing this vision of safety and accident prevention is to maintain a high level of safety regardless of the diversification of employees, facilities, and technologies as business globalization and business portfolio reform progresses. In line with this vision, we strive to provide education and training to employees to be able to put fundamental safety initiatives into practice, globally promote the safety culture, and introduce and disseminate new safety technologies.

All employees of the Mitsui Chemicals Group including contractors are committed to relentlessly implementing the safety culture, reaffirming their heartfelt commitment to the pledge “safety is essential and for the benefit, not only of ourselves, but also our families, colleagues, and society as a whole.”

System and Responsible Officers

Assigning the president as the Chief and the director in charge of the Production & Technology Center as the person directly responsible, the Safety & Environment Technology Division formulates, disseminates and promotes the safety and prevention strategy. The Responsible Care Committee examines strategy progress and identifies subsequent challenges based on the strategy review and environmental analyses obtained within and outside of the Group in order to create an annual plan and a medium to long-term plan.

The Company holds Health and Safety Committee meetings that include the participation of the responsible officers and labor union members for each site. The Safety and Environment Technology Division regularly checks the achievement of the priority issue targets relating to safety and prevention at domestic bases and ascertains the progress made. In addition, the Division collects, consolidates, and analyzes information on the occurrence of any serious accident and information on occupational accidents in the entire Group and shares that information throughout the Group.
Management and labor union members in the Head Office hold regular Health and Safety Committee meetings to deliberate issues relating to occupational health and safety. At these meetings, the attendees report on and deliberate issues relating to occupational safety and health, including occupational accidents.

Internal Audit

The Internal Control Division conducts environmental & safety audits (for environmental protection, safety and prevention) at Works and laboratories of the Mitsui Chemicals Group.

Environmental & Safety Audit
(safety and prevention)
Confirms that the policy of "safety is our top priority" is being comprehensively implemented, that activities are being organized to eliminate accidents and occupational injuries and that there is compliance with the relevant laws and regulations. Indicates nonconformities that require revision or improvement.
Scope: Works and laboratories of Mitsui Chemicals Inc. and its subsidiaries and affiliates
Frequency: Once every one to three years (depending on size, business type and management level of the audited organization)

Goals and Results


KPI Scope FY2019 FY2020 Medium to
Goals Results Level
Goals Goals
Number of major accidents *1 Mitsui Chemicals Group 0 0 0 0 ongoing (FY2025)
Number of abnormal conditions / accidents *2 Mitsui Chemicals Group 5 or less 18 7 or less

*1Major accidents:
Accident with a severity level of 18 points or more, as specified by the Japan Petrochemical Industry Association (JPCA) under Center for Chemical Process Safety (CCPS) evaluation procedures.

*2Abnormal conditions/accidents:
Although under JPCA accident criteria having an intensity level of less than 18 points, conditions/accidents that the Company judges should be monitored under Company standards in consideration of the relevant laws and regulations.

Occupational injury

KPI Scope FY2019 FY2020 Medium to
Goals Results Level
Goals Goals
Number of serious accidents *1 Mitsui Chemicals Group 0 0
Significant occupational injury frequency *2 Mitsui Chemicals Group 0.15 or less 0.31 0.15 or less (FY2025)
Mitsui Chemicals, Inc.*3 0.00 0.15 or less
Domestic Subsidiaries & Affiliates 0.83 0.15 or less
Overseas Subsidiaries & Affiliates 0.62 0.15 or less
Construction subcontractors 0.25 0.23 or less

*1Serious Occupational Injuries:
Occupational injuries that fall under disability grades 1 to 7, causing death, injury or illness.

*2Significant occupational injuries:
“Significant Occupational Injuries(SOIs)” refer to occupational injuries that resulted in absence from work or death. SOIs also include lighter occupational injuries that, due to the potential danger in the cause of the injury, could have led to absence from work or death. SOIs do not include those injuries that are not directly related to operations.

*3Includes contractors operating on site.

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