Which method can be used to identify the accuracy of a calibration process?

The identification of the accuracy of a calibration process is primarily done through the use of reference standards. Reference standards are known quantities that provide a benchmark against which measurements can be compared. When a calibration process uses reference standards, it allows technicians to establish the degree of deviation between the measurement instrument's output and the established standard. This process is essential for ensuring that measurement instruments provide accurate and reliable readings, which is crucial in maintaining quality control in various industries.

While the other options may contribute to different aspects of the calibration process, they do not specifically determine accuracy in the same way that reference standards do. Comparative analysis with non-standard measurements may not provide a reliable indication of accuracy due to potential variability and lack of established benchmarks. Reviewing training documents focuses on personnel qualification rather than measurement accuracy. The certification of lab equipment is essential for verifying that instruments meet specific standards but does not directly measure the accuracy of the calibration process itself. Ultimately, reference standards are integral to establishing and validating the accuracy of calibration efforts.