The Two Greatest Sins Regarding Significant Digits. 1  Writing more digits in an answer (intermediate or final) than justified by the number of digits in the data. 2  Rounding-off, say, to two digits in an intermediate answer, and then writing three digits in the final answer.
The below principals of HACCP are explained to understand how to implement HACCP. 1  Analyze hazards. 2  Identify critical control points. 3  Establish preventive measures with critical limits for each control point.  Establish procedures to monitor the critical control points.
You can think of ISO 22000 as a standard that takes the approach of ISO 9001 as a management system, incorporates the hygiene measures of Prerequisite programs, and adds HACCP principles and criteria. You now have the best of the management system approach added to the well established PRP and HACCP programs.