ISO 17025 Accreditation/Quality Management SystemsPanel Discussion

ISO 17025

Presented by Louise Ogden

Minnesota Department of Agriculture 

Reference Materials Reference StandardsMeasurement Traceability

4.6 Purchasing and Supplies

5.4 Test and Calibration Methods and Method Validation

5.6 Measurement Traceability

Relevant sections of the standard

• Measurement Traceability 

• Reference Standard – shall be calibrated by a body that can provide traceability

• Reference Materials – shall where possible be traceable to SI units of measurement or to a Certified Reference Material

• SI units – International System of Units 

Definitions

Traceability

• Competency• Reference to SI

Units• Calibration

intervals

• Unbroken chain of comparisons

• Uncertainty of Measurement

• Documentation

• Volumetric (non‐Class A) flasks, burettes, pipettes

• Balances / Weight sets

• Centrifuge

• Microscopes

• Safety Cabinets

• DI/RO Water

• Thermometers

• Temperature Monitoring Systems

• Timers

• Chemicals

• Media

• Pipettes – mechanical, multi‐channel, electronic

Examples of items to trace IF qualitycritical to the method

Example Forms