General QAQC Procedures for Testing Laboratories

What are the possible implications arises from unfit measurement ?

• Undetected hazards

• Financial gains

• Threat of life

• Injustice

What are the recommendations to improve reliability of measurement?

• Unvalidated methods

• Accreditation

• Proficiency testing

• Irregular maintenance

Draw a Shewhart control chart of calibrated pipette throughout a 12-month monitoring period.

What is the criteria for a Reference Material ?

• Material should be heterogenous

• Material should be stable

• Matrix not necessarily same as real samples

• Not fit for intended use

Within how many years must an accredited laboratory shall participate in at least one available PT activity relevant to its scope of accreditation for each field?

• 1

• 2

• 3

• 4

Why are Internal Quality Audits necessary for Laboratory ?

• Auditing improves consistency of quality within the laboratory

• Auditing improves the awareness of quality

• Ensures compliance with regulations and standards

• Enhances supply chain transparency