In the petrol-chemical industry, SHE programs evolved from multiple sources, such as the American Institute of Chemical Engineer's Center for Chemical Process Safety. In ExxonMobil, SHE programs are managed through the Operational Integrity Management System (OIMS), which draws upon those chemical industry best practices. OIMS is comprised of eleven key elements that define aspects of sound SHE operations. OIMS provides for definitions of what is expected as well as providing specific best practices.

Specific OIMS elements are:

  • Management Leadership, Commitment, and Accountability

  • Risk Assessment and Management

  • Facilities Design and Construction

  • Information/documentation

  • Personnel and Training

  • Operations and Maintenance

  • Management of Change

  • Third Party Services

  • Incident Investigation and Analysis

  • Community Awareness and Emergency Preparedness

  • Operations Integrity Assessment and Improvement

Unfortunately, the petrol-chemical industry—unlike some industries such as commercial nuclear power where clear SHE-security relationships are mandated—has typically not addressed security matters in development of best practices. For example, Nuclear Regulatory Commission (NRC) requirement NUREG/CR-1345 is entitled Nuclear Power Plant Design for the Reduction of Vulnerability to Industrial Sabotage and requires facilities to consider sabotage scenarios in design. No such recommended practice exists in the AICHE Center for Chemical Process Safety documentation.

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