Dr Piyush Tailor

Objective:
To check stability of retained sample
Requirement:
Testing sample

Procedure
- The examined samples are stored for 24 hours at at 2-8℃ for re-examination if required.
- To check the stability of retained sample, every monthly one sample is rerun after 24 hours and result is compared with previous result.
- There should be positive linear association between two run.(R squared value between 0.5-1) Documentation

The records of stability of retained samples are documented in file C/Records/file/22/internal maintenance record.