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Canadian Association for Laboratory Accreditation Inc.

Building Laboratory Excellence

4301: Advanced Concepts for Control Charts

In Class - 1 Day
Virtual - 2 half days


This advanced course extends on the basic concepts from the introductory course. It takes a deeper look into evaluation techniques, especially control chart trend rules. In addition, It brings in real-world control chart situations - gathered from within the industry – that enable participants to grasp the complexities of control chart interpretation. It also outlines several specialized concepts such as outlier handling and control charting for multiple analyte techniques.

Who Should Attend

For all laboratory staff involved in the work of a laboratory with an ISO/IEC 17025 quality system who:

  • Conduct tests and calibrations
  • Conduct quality control analysis or assessment
  • Participate in PT / ILC
  • Manage the quality system
  • Manage the laboratory

Course Overview

This advanced course builds on the fundamentals learned in the introductory course. It covers advanced concepts in control chart interpretation, including rules and trends, outlier handling, and the use of control charts for multiple analyte methods. Time is dedicated to review of real-life upsets identified on control charts and beneficial approaches to investigation. Participants are encouraged to bring in control chart matters for open discussion.

Learning Objectives

  • Identify and resolve complex issues with control charts
  • Understand and interpret control charts
  • Use control charts to identify errors and nonconformances
  • Identify and interpret control chart issues using real-world examples
  • Brainstorm approaches to investigation
  • Understand advanced requirements for control chart management

Course Content

Operational use of Control Charts
  • Review of how to read a control chart
  • Control chart evaluation and rules
Errors and Nonconformance
  • Method blank control charts
  • Laboratory control sample (LCS) and certified reference material (CRM) charts
  • Recognizing drift
  • Duplicate control charts
  • Instrument QC charts
  • Matrix spike control charts
Process Improvement
  • Using information from control charts for process improvement
Control Chart Management
  • Outlier handling
  • Using charts for multiple analyte methods
  • Managing control charts
Open discussion
  • Use of trends in control chart intepretation
  • Review and discuss examples brought by course participants.
  • Real world examples of control chart issues and investigation