Occupational safety is the discipline of protecting workers from workplace hazards: falls, struck-by, chemical exposure, ergonomics, noise, confined spaces, and electrical contact. The field goes by several names depending on company and region (HSE, EHS, SHE, HSSE), and the people doing the work carry a long list of job titles including Safety Manager, Industrial Hygienist, EHS Director, and Health and Safety Officer. It is legit confusing. At SIL Safe we refer to all of them collectively as occupational safety, because the looseness of the language tends to obscure the underlying point: it is a single distinct discipline.
This matters for functional safety because the two get conflated constantly. They share the word “safety” and live in the same facilities, but the training, credentials, and standards do not cross. A Certified Industrial Hygienist (CIH) is not on a track to a Certified Functional Safety Expert (CFSE), and asking an HSE manager to “handle the SIL stuff” is a common and costly mistake. We wrote a full article on the difference, Functional Safety Is Not the Same as Occupational Safety.
Key Points
- Protects workers from workplace hazards: PPE programs, ergonomic assessments, exposure monitoring, confined space permits, and incident investigation for personnel injuries.
- Goes by many names (HSE, EHS, SHE, HSSE) with practitioners carrying a long list of titles (Safety Manager, Industrial Hygienist, EHS Director, Health and Safety Officer); SIL Safe refers to all of them collectively as occupational safety.
- Distinct from functional safety: different credentials (CSP and CIH versus CFSE and CFSP), different math, different standards. The competencies do not transfer between disciplines.
Example
A site with an industry-leading Total Recordable Incident Rate (TRIR) under its HSE manager can still have an unmanaged management-of-change backlog, overdue SIS proof tests, and eroded layers of protection. The Baker Panel report after Texas City documented exactly that pattern at BP. Personnel injury statistics are an occupational metric, not a leading indicator of functional safety health.
See Also: process safety, OSHA, PSM
Cited Sources