Safety Certifications (CHST, OHST, CSP)

Professional safety certifications show that you have a certain level of knowledge and experience. They’re different from OSHA 10 and 30 cards, which are awareness training. Many employers and owners prefer or require certified safety staff on large projects.

Common certifications

These are offered by the Board of Certified Safety Professionals (BCSP), the best-known accredited certifying body in the U.S. Requirements change; the summaries below are general.

CertificationWho it’s forTypical requirements
STS (Safety Trained Supervisor) and STSC (construction)Foremen, supervisors and craft leadersSupervisory experience plus safety training hours; exam
CHST (Construction Health and Safety Technician)Field safety staff in constructionSeveral years of construction safety experience, with safety as a significant part of the job; exam
OHST (Occupational Hygiene and Safety Technician)Safety and health technicians in general industrySeveral years of experience with safety and health duties; exam
ASP (Associate Safety Professional)Safety professionals on the path to CSPA degree (or qualifying credential) and safety experience; exam
CSP (Certified Safety Professional)Senior safety professionals and managersA bachelor’s degree, several years of professional safety experience, and a qualifying credential such as the ASP; exam

Other credentials

Getting certified

Watch for look-alikes. Some “certifications” are just certificates from a short online course. Check whether a credential is accredited (for example, by ANSI or NCCA) before paying.

Standards & references

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