ISO 45001 Internal Auditor Training in USA
Occupational Health & Safety Management System Internal Auditor Course — Practical Workplace Auditing, Hazard Assessment and ISO 19011 Techniques
Develop practical skills to plan, conduct, report and follow up internal audits of an organization’s Occupational Health and Safety Management System. Learn how to review hazard identification, worker consultation, operational controls, applicable safety requirements, incident investigations and corrective action evidence.
ISO 45001:2018 with Amendment 1:2024 is the current standard. A revision (ISO/DIS 45001) is in development and not yet published.
Current standard
Learn the current ISO 45001 occupational health and safety standard
ISO 45001:2018 remains current. Amendment 1:2024 asks organizations to consider whether climate change is a relevant issue in their context and among interested-party requirements; it does not require a separate climate register or emissions target. The revision is a draft, so no transition period exists yet.
- March 2018ISO 45001:2018 published
- 2024Amendment 1:2024 (climate action changes)
- May 2026ISO 19011:2026 published
- Expected 2027Revised ISO 45001 (draft; date not confirmed)
ISO: ISO 45001 (opens in a new tab) · ISO: Amendment 1:2024 (opens in a new tab) · ISO: ISO 45001 revision (opens in a new tab) · ISO: ISO 19011 (opens in a new tab)
Course recognition
Understanding ISO 45001 internal auditor course recognition
The IAS accreditation page lists this course among EAS-certified internal auditor courses. The ISO 45001 Lead Auditor course is separately CQI-IRCA certified as PR357; that reference does not apply here. Completing the course does not authorize third-party audits or give professional registration.
| What | Meaning and status |
|---|---|
| Course achievement | Evidence you met the course requirements |
| Internal auditor competence | Knowledge, skills, experience, objectivity and your organization’s requirements |
| CQI-IRCA Lead Auditor course | A separate product (PR357) |
| Professional registration | A separate process with its own criteria |
| Certificate issuer and wording | EAS; confirm |
| Assessment and pass mark | EAS lists continuous assessment and examination; pass mark to confirm |
| Recognition marks | None used until confirmed |
The course
Develop the skills to audit occupational health and safety management systems
An internal OHSMS audit evaluates the management system. A workplace safety inspection examines specific conditions. A regulatory inspection assesses legal obligations under a regulator’s authority. They complement each other but are not the same.
- OHSMS principles and PDCA
- Audit planning, scope and criteria
- Hazard identification and risk assessment
- Worker participation
- Operational controls
- Audit evidence
- Nonconformity reporting
- Corrective action and follow-up
Who should attend
Who should attend?
Choose a role to see why the course is relevant and what to know first.
Prerequisites
Is ISO 45001 internal auditor training suitable for you?
Prior audit experience is not required. Helpful: basic ISO 45001 concepts, workplace safety, your organization’s processes, PDCA, basic risk assessment and communication skills. Nothing you enter is stored.
Two-day syllabus
Explore the two-day ISO 45001 internal auditor training program
A proposed curriculum to reconcile with EAS’s approved course, which lists six modules. Self-paced learning does not include the live workshops.
EAS’s current course modules
- Introduction to OH&S Management System
- Structure and overview of ISO 45001 requirements
- Auditing OH&S risk management
- Audit concepts
- Planning and conducting an internal audit
- Reporting and following up an internal OH&SMS audit
Requirements explorer
Learn to evaluate each ISO 45001 requirement
Clauses 4–10 in plain English. Read the published standard for the requirements; this is not its text.
Hazard workshop
Practice reviewing workplace hazard identification
Select a fictional workplace, then step through hazards, the risk assessment, controls and audit questions. No approved risk assessment is produced, and no real facility is declared safe.
Hierarchy of controls
Learn the hierarchy of controls
Auditors check whether the organization’s process considered the higher controls first. PPE alone is rarely sufficient, the hierarchy does not replace mandatory legal controls, and nothing here is a site-specific engineering recommendation.
Worker consultation
How to audit worker consultation and participation
A fictional factory holds monthly safety meetings, but there is little evidence worker input affects decisions. A signed attendance sheet does not by itself show effective participation.
OSHA vs ISO 45001
Understanding US workplace safety law and ISO 45001
OSHA requirements apply under federal law or an approved state plan, and obligations differ by workplace. ISO 45001 certification is not OSHA compliance, and OSHA does not certify ISO 45001.
| OSHA | ISO 45001 | |
|---|---|---|
| Governing authority | US Department of Labor (OSHA) and state plans | ISO; certification by accredited bodies |
| Legal status | Legally enforceable where standards apply | Voluntary unless required by contract |
| Purpose | Set and enforce minimum workplace safety and health requirements | Provide a management system to prevent injury and ill health and improve performance |
| Hazard control | Specific standards for specific hazards; general duty clause | Hierarchy of controls applied through risk-based planning |
| Worker rights and participation | Rights such as reporting hazards and protection from retaliation | Consultation and participation of non-managerial workers required in the system |
| Inspection vs audit | Government inspection | Management system audit |
| Enforcement | Citations and penalties | Nonconformities; certificate may be suspended or withdrawn |
| Certification | None for management systems | Optional certification by an accredited body |
| Records | Injury and illness recordkeeping rules apply to many employers | Documented information as the system requires |
| Training | Required by specific standards | Competence as the system determines |
Fictional legal register: adequately managed?
| Requirement | Area | Identification | Evaluation | Your view |
|---|---|---|---|---|
| Machine guarding standards | Machinery | Identified; owner: Engineering | Last evaluated 2026-03 | |
| Hazard communication requirements | Chemicals | Identified; owner: EHS | Never evaluated | |
| Recordkeeping of injuries and illnesses | Records | Identified; owner: HR | Evaluated 2026-01 | |
| Customer contractor safety requirements | Other requirement | Not in register | — | |
| State plan requirements | State | Identified; owner unassigned | Not evaluated |
OSHA (opens in a new tab) · OSHA: safety management (opens in a new tab)
OSHA VPP
Understanding Voluntary Protection Programs and ISO 45001
VPP is OSHA recognition with its own application and onsite review. ISO 45001 certification does not qualify an employer for VPP, and no claim is made about how many VPP sites hold ISO 45001.
| OSHA VPP | ISO 45001 | |
|---|---|---|
| What it is | OSHA recognition of worksites with strong safety and health programs and low injury rates | A voluntary international OHSMS standard |
| Who decides | OSHA, after an application and onsite review | An accredited certification body, after certification audits |
| Pathways | Site-based, mobile workforce and corporate | Any organization, any size |
| Review cycle | Every three to five years | Surveillance audits and recertification every three years |
| Inspection effect | Participants are not subject to OSHA programmed inspections while in good standing | No effect on OSHA inspections |
| Relationship | Separate application and recognition | ISO 45001 certification does not qualify an employer for VPP |
ANSI/ASSP Z10
Comparing US and international OH&S management system frameworks
Certification or conformity under one framework does not automatically establish conformity with the other.
| ISO 45001 | ANSI/ASSP Z10 | |
|---|---|---|
| Origin | International (ISO) | US (ANSI/ASSP) |
| Current edition | ISO 45001:2018 with Amd 1:2024; revision in development | ANSI/ASSP Z10.0-2019 |
| Purpose | Requirements for an OHSMS | Requirements for an OHSMS |
| Worker participation | Consultation and participation of non-managerial workers | Employee participation |
| Risk management | Hazards, OH&S risks and opportunities | Risk assessment and prioritization |
| Integration | Harmonized structure shared with ISO 9001 and ISO 14001 | Designed to work with other management systems |
| Certification | Third-party certification widely available | Not typically used for third-party certification |
| Equivalence | Conformity to one does not establish conformity to the other | Same |
Checklist builder
Create practical ISO 45001 internal audit questions
Educational output only: no conformity decision, and no checklist suits every workplace.
Audit program builder
Learn to plan an OHSMS internal audit program
ISO 45001 requires audits at planned intervals; it does not require every process to be audited every year. This builds a fictional sample program.
Impartiality and competence
Who can perform internal ISO 45001 audits?
Auditors need relevant knowledge, audit skills and objectivity. Internal auditors do not have to be external contractors, and course completion does not establish competence in every industry. A small business has one EHS coordinator and several operations managers.
| Assignment | Your view |
|---|---|
| The EHS coordinator audits the risk assessments they wrote | |
| The warehouse manager audits production machinery controls | |
| The production manager audits the warehouse traffic plan | |
| The production manager audits guarding on their own lines | |
| The EHS coordinator audits incident investigations they facilitated | |
| An external contract auditor audits the OHSMS once a year |
Interview simulator
Practice interviewing workers, supervisors and managers
Choose a fictional interviewee and the questions you would ask. No real workplace or employee data is used.
Mock workplace audit
Practice an ISO 45001 internal audit
A fictional US manufacturing facility with twelve audit areas. An educational simulator, not an EAS examination, and it certifies nothing.
Contractors and procurement
Auditing contractor and outsourced safety arrangements
A fictional manufacturer uses four kinds of contractors. Outsourcing does not remove the organization’s workplace safety responsibilities.
Management of change
Evaluating safety implications of operational changes
A fictional plant installs a new press line. Step through what an auditor checks. Nothing here approves a real change.
Emergency preparedness
How to review emergency preparedness and response
High-level fictional examples. No response instructions for real incidents, and no generic plan meets every legal obligation.
Incident investigation
How internal auditors evaluate incident investigation and follow-up
Not every incident is a nonconformity; auditors evaluate the process. Nothing here is a legal determination on reporting or liability.
Correction, corrective action or effectiveness check?
| Action | Your view |
|---|---|
| Isolating the damaged ladder after the fall | |
| Changing the inspection system so ladders are checked before each shift | |
| Checking ladder inspection records for three months | |
| Retraining one operator after a near miss | |
| Redesigning the walkway to separate forklifts and pedestrians | |
| Reviewing near-miss trends after the walkway change |
Findings laboratory
Practice writing evidence-based ISO 45001 findings
State the requirement, the evidence and the finding. Never invent evidence, and grade findings only under your organization’s audit method.
Audit evidence
What is effective OH&S internal audit evidence?
Fictional comparisons. Weak evidence tells you to look further; it is not automatically a nonconformity.
| Area | Strong evidence | Weak evidence |
|---|---|---|
| Worker consultation | Several forms of evidence: minutes with worker-raised items and actions, hazard reports from workers, consistent interviews. | Only a manager’s statement. |
| Hazard controls | Controls observed in place, with inspection and monitoring records. | An outdated procedure with no operational evidence. |
| Contractor safety | Induction, hazard information, permits and supervision records. | An approved contractor list alone. |
| Incident investigation | Investigation with causes, actions and an effectiveness review. | Incidents closed without evaluation. |
| Training | Evidence of competence for the task. | Attendance alone where competence evaluation is needed. |
ISO 19011:2026
Use the latest management system audit guidance
ISO 19011:2026 is the current edition. It is guidance, not a certifiable management system standard.
Choosing a course
Which ISO 45001 auditor course is right for you?
The internal auditor course does not authorize third-party audits, and the Lead Auditor course alone does not permit every certification audit activity.
| ISO 45001 Internal Auditor | ISO 45001 Lead Auditor | |
|---|---|---|
| Duration | Two days / 16 hours, as advertised | Five days / 40 hours |
| Focus | Internal OHSMS audits | Leading audits, including certification audit concepts |
| Planning | Audit plans and checklists | Audit programs, team planning, Stage 1 and Stage 2 |
| Interviews | Workers, supervisors, managers | Plus leading an audit team |
| Assessment | End-of-course assessment under EAS rules | Continuous assessment and written examination |
| Recognition | EAS certified, as listed by IAS (no CQI-IRCA reference) | CQI-IRCA certified, PR357 |
| Third-party auditing | Does not authorize third-party audits | A training step; certification bodies set further requirements |
Integrated auditing
Understanding integrated management system auditing
All three share Clauses 4–10. Training in one standard does not qualify an auditor for the others.
| ISO 45001 | ISO 14001 | ISO 9001 | |
|---|---|---|---|
| Focus | Occupational health and safety | Environmental management | Quality management |
| What is managed | Workplace hazards and OH&S risks | Environmental aspects and impacts | Product and service conformity |
| Who is protected | Workers and others at the workplace | The environment | Customers |
| Key participation | Consultation and participation of workers | Interested parties | Customer focus |
| Typical evidence | Risk assessments, permits, incident records, consultation | Monitoring data, permits, waste records | Inspection records, customer feedback |
| Shared structure | Clauses 4–10 (harmonized structure) | Clauses 4–10 | Clauses 4–10 |
Industries
US industry applications
Examples are fictional. The course does not make anyone a technical safety specialist in every industry.
Delivery formats
Choose your ISO 45001 internal auditor training format
Availability, assessment and certificate are confirmed per format. Self-paced completion is not equivalent to 16 hours of live participation.
Training dates
Upcoming ISO 45001 internal auditor training dates in USA
The IAS schedule lists two ISO 45001:2018 Internal Auditor virtual sessions, 9:00–18:00 with no time zone stated. They are confirmed before registration.
| Course | Edition | Provider | Start | End | Time zone | Format | Duration | Fee | Status | Enquire |
|---|
Assessment and certificate
How assessment and certification work
EAS lists continuous assessment and an examination; IAS advertises an end-of-course assessment. No pass mark is published, and format differences are confirmed with EAS. ISO does not issue training certificates, the certificate is not a professional auditor license, and competence is not automatic.
EAS: training certificate search (opens in a new tab)
- Course exercises
- Tutor-led formats.
- Knowledge checks
- During the course.
- End-of-course assessment
- Type confirmed by EAS.
- Achievement criteria
- Confirmed by EAS.
- Reassessment
- Where EAS rules permit.
- Certificate
- EAS; wording and verification to confirm.
Fees and corporate training
ISO 45001 internal auditor training fees in USA
Quoted in USD once approved. No prices or discounts are published, and corporate training is not claimed to be cheaper. Groups can request in-house delivery.
- Classroom
- Request course fee
- Live virtual
- Request course fee
- Self-paced
- Request course fee
- Corporate in-house
- Request a group quotation
- Confirmed with your quotation
- Materials, assessment, certificate, taxes, payment, cancellation and refund terms
Registration
Register for ISO 45001 internal auditor training
Send a registration or information request. A coordinator confirms dates, fees and availability. You are registered only after written confirmation.
Enrollment journey
From enquiry to certificate
An enquiry does not reserve a seat.
- 1
Explore the current ISO 45001 standard
- 2
Review course recognition
- 3
Understand the two-day syllabus
- 4
Explore the audit exercises
- 5
Check course suitability
- 6
Choose a delivery format
- 7
Select a real course date
- 8
Review fees
- 9
Submit a registration request
- 10
Receive confirmed enrollment
- 11
Attend or access training
- 12
Complete the assessment
- 13
Receive the applicable certificate
- 14
Apply your skills in internal OHSMS audits
Tutors and responsibilities
Learn from experienced occupational health and safety auditing professionals
Tutor profiles will appear once verified. Certification-body accreditation is not proof of internal auditor course recognition.
| Responsibility | Organization | Status |
|---|---|---|
| Markets the course in the US | IAS | Confirmed |
| Delivers training | EAS | As advertised |
| Conducts assessments | EAS | Confirm rules |
| Issues certificates | EAS | Confirm wording |
| Provides online access | EAS portal | Confirm terms |
| Handles fees | IAS or EAS | Confirm |
| Handles complaints | IAS and EAS | Confirm process |
| Handles resits | EAS | Confirm rules |
FAQ
ISO 45001 internal auditor training questions
76 answers. EAS confirms course rules when you enrol.
What is ISO 45001 Internal Auditor Training?
A two-day course that teaches you to plan, conduct, report and follow up internal audits of an occupational health and safety management system.
What is ISO 45001:2018?
The international standard for OH&S management systems, published March 2018.
Is ISO 45001:2018 still current?
Yes, together with Amendment 1:2024. A revision is under development.
What is the 2024 amendment?
Amendment 1:2024 adds climate change to the issues an organization considers in its context, where relevant, and to interested-party requirements. It does not require a separate climate register or emissions target.
Is ISO 45001:2026 published?
No. No new edition has been published as of November 1, 2026.
What is ISO/DIS 45001?
The draft international standard for the revision. It is not final; publication is expected in 2027 but no date is confirmed.
What is ISO 19011:2026?
The current guidelines for auditing management systems, published May 2026.
What is an OHSMS?
A management system for preventing work-related injury and ill health and providing safe and healthy workplaces.
What does an internal auditor do?
Plans and conducts audits, collects evidence, reports findings and follows up corrective action.
What is the purpose of Clause 9.2?
It requires internal audits at planned intervals to check the OHSMS conforms and is effectively implemented and maintained.
What is hazard identification?
An ongoing process to find sources of potential injury and ill health, including routine and non-routine work.
What is an OH&S risk assessment?
Evaluating OH&S risks from identified hazards, considering existing controls.
What is the hierarchy of controls?
Elimination, substitution, engineering controls, administrative controls, then PPE.
What is worker consultation?
Seeking workers’ views before making decisions.
What is worker participation?
Involving workers in decision-making on OH&S.
What are legal and other requirements?
Laws, regulations and other requirements such as contracts or codes the organization must or chooses to meet.
What is operational control?
Planning and controlling processes to eliminate hazards and reduce OH&S risks.
What is contractor safety management?
Coordinating procurement with contractors so their work and the organization’s activities are controlled.
What is management of change?
Planning temporary and permanent changes so new hazards and risks are identified and controlled.
What is emergency preparedness?
Planning, training and testing responses to potential emergencies.
What is incident investigation?
Determining causes of incidents, with worker involvement, and acting to prevent recurrence.
How does ISO 45001 differ from OSHA?
OSHA requirements are legally enforceable where they apply; ISO 45001 is a voluntary management system standard.
Does ISO 45001 replace OSHA compliance?
No.
Is ISO 45001 certification required by OSHA?
No. OSHA does not require or certify ISO 45001.
Does ISO 45001 certification qualify an employer for OSHA VPP?
No. VPP has its own application and onsite review.
What is ANSI/ASSP Z10?
The US OHSMS standard; the current edition is ANSI/ASSP Z10.0-2019.
Who should attend?
EHS managers, safety officers, occupational health professionals, internal auditors, supervisors, construction safety coordinators, operations, HR and procurement staff, and IMS auditors.
Is the course suitable for beginners?
Yes. Prior audit experience is not required.
Are there prerequisites?
IAS recommends basic ISO 45001 or OH&S knowledge, PDCA, knowledge of your operations and English communication.
Is previous auditing experience necessary?
No.
How long is the course?
Two days.
Is it two days?
Yes, for tutor-led delivery.
Is it 16 hours?
Tutor-led internal auditor courses are advertised as 16 hours; we confirm for this course.
What will I learn on Day 1?
ISO 45001 requirements, hazard control fundamentals and audit planning.
What will I learn on Day 2?
Conducting audits, evaluating controls, reporting and corrective action.
Does it include practical exercises?
Yes, in tutor-led formats.
Does it include a mock workplace audit?
Yes, as a role-play in the proposed syllabus. EAS confirms the approved exercises.
Will I learn to create audit checklists?
Yes.
Will I learn to interview workers?
Yes.
What is objective evidence?
Verifiable records, statements of fact or observations.
What is an audit nonconformity?
Non-fulfilment of a requirement, supported by evidence.
Does the course teach root cause analysis?
It teaches how to evaluate root cause analysis in incident investigations and corrective action.
Does it teach corrective action verification?
Yes.
How often must OHSMS internal audits be conducted?
At planned intervals set by the program. No fixed annual frequency is required.
Can an employee audit their own department?
They should not audit their own work; impartiality depends on the circumstances.
Do internal auditors need training certificates?
ISO 45001 requires competence, not a specific certificate.
Does the course qualify me as a safety officer?
No.
Does it qualify me to perform government safety inspections?
No. Regulatory inspections are carried out under government authority.
Is the Internal Auditor course CQI-IRCA certified?
No. CQI-IRCA certification (PR357) applies to the Lead Auditor course.
Is the course EAS certified?
IAS lists it among EAS-certified internal auditor courses.
What is the difference between Internal Auditor and Lead Auditor?
Internal auditor training is two days and focused on your own OHSMS; Lead Auditor is five days, covers leading audits and is CQI-IRCA certified.
What is PR357?
The CQI-IRCA reference for the ISO 45001 Lead Auditor course, not this course.
Who delivers the course?
EAS, IAS’s training partner.
Who issues the training certificate?
EAS, on successful completion; we confirm the wording.
Is the certificate issued by ISO?
No. ISO does not issue training certificates.
Can the certificate be verified?
EAS offers a training certificate search.
Does the certificate expire?
EAS confirms whether an expiry date appears.
Is classroom training available?
Ask us; no public venue is published.
Is virtual training available?
Yes. The IAS schedule lists virtual sessions on November 7–8 and December 19–20, 2026.
Is self-paced online training available?
Yes, through the EAS portal.
Is 30-day portal access included?
The IAS internal auditor directory advertises 30-day self-learning access; we confirm it for this course.
Do all formats have the same assessment?
Not confirmed. Self-paced has no live workshops.
Is there a final examination?
Yes, an end-of-course assessment.
What is the passing mark?
Not published. We confirm it when you enrol.
Can I retake the assessment?
Where EAS rules permit.
What are upcoming USA training dates?
Virtual sessions on November 7–8 and December 19–20, 2026 are listed on the IAS schedule. Confirm before registering.
What time zone is used?
The schedule lists 9:00–18:00 without a time zone. We confirm it with you.
How much does training cost?
Request a fee. No price is published until approved.
Is corporate group training available?
Yes.
Can the training be conducted at our workplace?
Yes, where approved.
Does training guarantee employment?
No.
Can I audit ISO 14001 after this course?
The audit method carries over, but you also need ISO 14001 knowledge.
Can I audit ISO 9001 after this course?
The method carries over, but you also need ISO 9001 knowledge.
What is the cancellation policy?
See the refund policy and your quotation.
How do I register?
Use the registration form. A coordinator confirms dates, fees and availability.
What happens after registration?
You receive confirmation and joining instructions only once your place is confirmed in writing.
Related courses
Training and certification resources.
- ISO 45001 Lead Auditor
- ISO 14001 Internal Auditor
- ISO 9001 Internal Auditor
- Internal Auditor training
- Lead Auditor training
- ISO training
- Foundation training
- Training schedule
- ISO 45001 certification
- Accreditation information
- About IAS
- IAS Insights
- Contact IAS USA
- How to get ISO certification (blog)
- Frequently asked questions
- Training nomination form (DOC)
- Course or service brochure (PDF)