ISO 45001 OHSMS Lead Auditor Certification Exam Blueprint

80Questions
70%Passing Score
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What This Exam Validates

The ISO 45001 OHSMS Lead Auditor Certification exam is administered by PECB and is designed to evaluate candidates across a complete set of 7 distinct domains. It assesses a candidate's detailed knowledge of occupational health and safety management system principles, fundamental audit concepts, preparation procedures, conduct guidelines, closing requirements, and audit program management across a total of 80 questions to ensure industry competence.

Who Should Take This Exam

Professionals pursuing formal auditor certification for occupational health and safety management systems. Candidates need to deeply understand auditing principles and occupational health and safety requirements.

Skills You Should Be Ready to Demonstrate

How to Prepare

Review all 7 exam domains in meticulous detail and study the official PECB exam guide carefully to understand every single topic completely. Practice answering questions matching the 80-total-question format and consistently aim to exceed the 70% passing score requirement before sitting for your official certification exam.

Domain Study Guidance

Fundamental principles and concepts of an occupational health and safety management system (OH&S MS): Study Guidance

This domain covers the fundamental principles and concepts of an occupational health and safety management system, ensuring candidates understand the core theoretical foundations required for effective health and safety implementation.

Occupational health and safety management system (OH&S MS): Study Guidance

This domain focuses heavily on the detailed structure and specific requirements of an occupational health and safety management system, preparing professionals to evaluate organizational compliance against established international standard benchmarks.

Fundamental audit concepts and principles: Study Guidance

This domain addresses fundamental audit concepts and principles that are absolutely necessary for conducting proper and objective management system audits across various complex organizational structures and operational environments.

Preparing an ISO 45001 audit: Study Guidance

This domain deals specifically with the necessary steps and administrative tasks required for preparing an ISO 45001 audit effectively, including document reviews, schedule coordination, and resource allocation strategies.

Conducting an ISO 45001 audit: Study Guidance

This domain focuses extensively on the procedural steps and practical tasks involved in conducting an ISO 45001 audit on-site, gathering objective audit evidence, and interviewing key personnel during the evaluation.

Closing an ISO 45001 audit: Study Guidance

This domain covers the vital activities required for closing an ISO 45001 audit, including drafting audit findings, preparing summary reports, and conducting formal closing meetings with client management teams.

Managing an ISO 45001 audit program: Study Guidance

This specific domain addresses the important responsibilities and overarching processes involved in managing an ISO 45001 audit program, ensuring continuous oversight, auditor competence maintenance, and proper program evaluation for compliance.

Exam-Day Guidance

Read every single examination question very carefully and manage your available test time effectively across all 80 questions to ensure you successfully meet the 70% passing score requirement.

Frequently asked questions

How many questions are on the exam?

The official certification exam consists of a total of exactly 80 questions covering all 7 distinct domains defined by PECB in the official documentation to ensure complete candidate readiness.

What is the passing score?

The official passing score required to successfully pass the certification exam and earn your professional credential is precisely 70% according to established PECB guidelines and policies.

How long is the exam?

You should always check directly with PECB to review the exact duration guidelines, time limits, and scheduling details regarding your upcoming examination process before test day arrives.

Who certifies this exam?

The ISO 45001 OHSMS Lead Auditor Certification is professionally administered, managed, and certified directly by PECB according to their well-established international industry standards and criteria.

Sources and Verification

Verified 2026-09-14

How this page was made

This informative preparation page was compiled using official PECB exam documentation and verified facts regarding the ISO 45001 OHSMS Lead Auditor Certification program details.

Exam Domains

1 Fundamental principles and concepts of an occupational health and safety management system (OH&S MS) 11%
2 Occupational health and safety management system (OH&S MS) 12%
3 Fundamental audit concepts and principles 19%
4 Preparing an ISO 45001 audit 12%
5 Conducting an ISO 45001 audit 20%
6 Closing an ISO 45001 audit 12%
7 Managing an ISO 45001 audit program 12%