If you want to develop professional competencies in Chemical Laboratory Quality Control and Metrology, I highly recommend checking out Nordtest.

Their work can be described in three words: common sense, practicality, and simplicity.

• Nordtest Home Page -> Link
• Internal Quality Control – Handbook for Chemical Laboratories (Trollboken – Troll Book) -> Link
• Handbook for Calculation of Measurement Uncertainty in Environmental Laboratories -> Link