Which of the following actions is NOT required for controlling measurement standards?

The action of relying solely on NIST-issued measurement standards is not a requirement for controlling measurement standards, although it is beneficial. Organizations can utilize a variety of recognized measurement standards, both national and international, as long as they are appropriate for the calibrations being performed. This flexibility allows organizations to choose standards that suit their specific needs or contexts and still ensure accurate and reliable measurements.

The other options highlight essential actions for effective measurement control. Regularly auditing measurement processes ensures that they are functioning correctly and helps identify areas for improvement or necessary compliance with standards. Implementing quality control checks is crucial for verifying that measurements are within acceptable limits and maintaining consistency over time. Providing training on measurement techniques is foundational for ensuring that all personnel involved in the measurement process are competent, which directly impacts the reliability of measurement results.