PECB ISO/IEC 17025 Lead Assessor study materials
PECB ISO/IEC 17025 Lead Assessor study resources

PECB ISO/IEC 17025 Lead Assessor study plan

PECB ISO/IEC 17025 Lead Assessor · Give each week a clear focus.

8 weeks · About 7 hours per week

Week 1

Fundamental principles and concepts of a Laboratory Management System (LMS) & Laboratory Management System (LMS)

  • Map every clause of ISO/IEC 17025:2017 (structural requirements 4, resource requirements 5, process requirements 6-7, management requirements 8) into a personal one-page outline you can redraw from memory

  • Explain to a hypothetical lab manager how impartiality, confidentiality, and risk-based thinking connect to the standard's structure

  • Distinguish management system requirements from technical requirements and give two examples of each from a lab you know

  • Define key vocabulary (impartiality, complaint, proficiency testing, decision rule, metrological traceability) in your own words without copying the standard's text

Your checkpoint

A hand-drawn clause map of ISO/IEC 17025:2017 with all main clauses and a one-line purpose for each

Week 2

Laboratory Management System (LMS) & Managing an ISO/IEC 17025 internal audit program

  • Build a clause-by-clause checklist for management system requirements (clause 8) covering documented information, control of records, actions to address risks and opportunities, improvement, and corrective action

  • Draft the skeleton of an internal audit programme for a fictional 25-person calibration lab, including audit criteria, scope, frequency, and auditor competence needs

  • Identify which audit programme elements satisfy clause 8.8 and which satisfy clause 8.9

  • Write three sample nonconformity statements drawn from the management system clauses and classify each by severity

Your checkpoint

A complete internal audit programme document for a fictional lab, with schedule, criteria, and auditor competence matrix

Week 3

Fundamental concepts and principles of assessment

  • Compare the audit principles of integrity, fair presentation, due professional care, confidentiality, independence, and evidence-based approach and describe a realistic failure of each

  • Differentiate audits from inspections and from proficiency testing, using concrete lab examples

  • Explain the difference between a finding, an observation, a nonconformity, and an opportunity for improvement in ISO/IEC 17025 assessment language

  • Practice writing an audit conclusion that stays within the audit scope and cites objective evidence

Your checkpoint

A one-page comparison table of audit types plus five practice conclusions each tied to stated objective evidence

Week 4

Preparation of an ISO/IEC 17025 assessment

  • Draft a full assessment plan for a fictional testing lab, including objectives, scope, criteria, schedule, team roles, and sampling approach

  • Write an opening meeting agenda and a document review checklist covering the quality manual, scope of accreditation, and key procedures

  • Identify the information to request before the on-site visit and explain why each item matters to the assessment

  • Assess a fictional lab's readiness by scoring its documented information against clauses 4 through 8

Your checkpoint

A complete assessment plan package (plan, opening agenda, document request list) for a fictional lab

Week 5

Conducting an ISO/IEC 17025 assessment

  • Design interview questions that test whether staff understand impartiality, confidentiality, and their own authority to stop nonconforming work

  • Plan a technical trace exercise through one test method, from sample receipt to report, noting where records should exist

  • Write five nonconformity records that each state the requirement, the objective evidence, and the gap, without prescribing the fix

  • Explain how to handle a disagreement with an auditee during the assessment while preserving independence and evidence-based conclusions

Your checkpoint

A set of ten interview questions and five fully written nonconformity records with cited evidence

Week 6

Closing an ISO/IEC 17025 assessment & Preparation of an ISO/IEC 17025 assessment

  • Draft a closing meeting agenda that covers findings, conclusions, and next steps, and rehearse delivering it aloud

  • Write a post-assessment report structure that separates findings by clause and by severity and includes a clear recommendation

  • Design a corrective action review process that tests root cause analysis rather than accepting restated problems

  • Plan how to verify effectiveness of corrective actions at a follow-up visit

Your checkpoint

A complete closing meeting pack: agenda, sample assessment report, and corrective action tracking template

Week 7

Managing an ISO/IEC 17025 internal audit program & Fundamental concepts and principles of assessment

  • Build an auditor competence and evaluation scheme aligned with clause 6.2 and the audit programme

  • Create a risk-based audit schedule that justifies frequency by process risk rather than equal intervals

  • Draft an audit report template that records criteria, evidence, findings, and conclusions for internal audits

  • Design a process for tracking audit findings to closure and reporting audit results to top management

Your checkpoint

An internal audit report template and a risk-based annual schedule with written justification for each frequency

Week 8

Fundamental principles and concepts of a Laboratory Management System (LMS) & Laboratory Management System (LMS) & Fundamental concepts and principles of assessment & Preparation of an ISO/IEC 17025 assessment & Conducting an ISO/IEC 17025 assessment & Closing an ISO/IEC 17025 assessment & Managing an ISO/IEC 17025 internal audit program

  • Complete two timed practice assessments covering all seven domains and review every wrong answer to its source clause

  • Redraw the clause map from week one from memory and correct gaps against the standard

  • Write a personal list of the ten concepts you most often confuse and resolve each one with a short written explanation

  • Rehearse explaining a lead assessor's duties from planning through closure in under five minutes

Your checkpoint

A consolidated error log from practice assessments with clause references and resolved explanations for each mistake

Milestones

Week 2: You can explain the structure of ISO/IEC 17025:2017 and the purpose of each main clause without notes, and you have a working internal audit programme document

Week 4: You can produce a complete assessment plan and document request list for an unfamiliar lab in under 90 minutes

Week 6: You can write a nonconformity record with requirement, evidence, and gap in under 10 minutes, and you have a full closing pack ready

Week 8: You score at least 80 percent on both timed practice assessments across all seven domains and your error log shows no repeated clause-level mistakes