Which element is part of an SOP for calibration procedures?

Which element is part of an SOP for calibration procedures?

• A. Scope
• B. Responsibilities
• C. Acceptance criteria
• D. Intervals

Answer: (C)

Acceptance criteria specify the allowable limits and passing conditions for calibration results. In a calibration SOP, you need a clear standard that says, for example, the instrument reading must be within a defined tolerance of the reference, or within a stated measurement uncertainty, at specific test points and conditions. This creates an objective decision point: if the result meets the acceptance criteria, the instrument is considered calibrated; if not, it’s flagged for re-calibration, adjustment, or repair, with the appropriate records and actions. Without acceptance criteria, the SOP would lack a concrete threshold to declare success, making decisions subjective and potentially harming quality and compliance. While scope, responsibilities, and intervals are common elements in SOPs, they do not by themselves define the decision threshold for calibration results.

Acceptance criteria specify the allowable limits and passing conditions for calibration results. In a calibration SOP, you need a clear standard that says, for example, the instrument reading must be within a defined tolerance of the reference, or within a stated measurement uncertainty, at specific test points and conditions. This creates an objective decision point: if the result meets the acceptance criteria, the instrument is considered calibrated; if not, it’s flagged for re-calibration, adjustment, or repair, with the appropriate records and actions. Without acceptance criteria, the SOP would lack a concrete threshold to declare success, making decisions subjective and potentially harming quality and compliance. While scope, responsibilities, and intervals are common elements in SOPs, they do not by themselves define the decision threshold for calibration results.