The Quality Assurance (QA) requirements for Continuous Emissions Monitoring Systems (CEMS), also known as Automated Measuring Systems (AMS), are specified in the CEN standard EN 14181 which defines three Quality Assurance Levels - QAL1 (certification), QAL2 (calibration) and QAL3 (control). Click to read more.
The concept of bitterness can be somewhat complicated for beer consumers. The International Bitterness Units (IBU) scale offers a snapshot solution to know what's in store for your beer at hand.
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