Policy
The PTL laboratory has a calibration plan to calibrate and/or verify its
equipment.
5.6.1 General
All equipment used for testing, including equipment for subsidiary measurements (e.g. for environmental conditions) having a significant effect on the accuracy or validity of the result of the test are calibrated before being put into service The laboratory has established
a program for the calibration of its equipment.
Such a program include a
system for selecting, using, calibrating, checking, controlling and maintaining
measurement standards, reference materials used as measurement standards, and
measuring and test equipment used to perform.
5.6.2 Specific requirements
5.6.2.1
Calibration
The PTL Laboratory is a testing
laboratory and hence this clause is not applicable to us.
5.6.2.2 Testing
5.6.2.2.1 All equipments
having significant effect on the test results are calibrated at NABL accredited
laboratories or NPL and thereby providing traceability to national standards
and hence to SI units.
When the situation arises that
associated contribution from the calibration contributes little to the total
uncertainty of the test result and calibration is not needed, the laboratory
ensures that the equipment used can provide the uncertainty of measurement
needed.
5.6.2.2.2 Where
traceability to SI units is not possible, traceability of measurements is
ensured through the use of certified reference materials from competent
suppliers, agreed methods and/or consensus standards which are clearly
described and by participation in inter laboratory comparisons where possible.
5.6.3 Reference standards and reference materials
5.6.3.1 Reference standards
The PTL Laboratory has a program
and procedure (PTL/QSP/17) for the calibration of its reference standards, by a
calibration body that is traceability to SI units.
Such reference standards are used for calibration only and calibrated before
and after any adjustment
5.6.3.2 Reference materials
PTL ensures that all the reference materials
used in the laboratory have traceability to SI units or they are certified
reference materials. Internal /working reference standards are checked to the
extent practicable and feasible.
Reference materials
are identified through a list and traceability is maintained.
5.6.3.3 Intermediate
checks
Intermediate checks are being carried out to
maintain confidence in the calibration status.
A documented procedure (PTL/QSP/17) and program has been prepared to carry out
intermediate checks.
5.6.3.4 Transport
and storage
The laboratory has procedure (PTL/QSP/17) for safe handling, transport,
storage and use of reference standards and reference materials in order to
prevent contamination or deterioration and in order to protect their integrity.
Precautions are taken at all stages to protect materials,
samples from damage during handling.
Records
A list of equipment has peen
prepared to show the calibration status
END OF THE DOCUMENT
3. PTL /QSP/03 Procedure for Purchasing, Services, and Supplies
4. PTL /QSP/04 Procedure for Service to the Customer
5. PTL /QSP/05 Procedure for Customer Complaints
6. PTL QSP/06 Procedure for Control of Non-Conforming Testing.
7. PTL /QSP/07 Procedure for Improvement
8. PTL /QSP/08 Procedure for Corrective Action
9. PTL /QSP/09 Procedure for Preventive Action
10. PTL /QSP/10 Procedure for Control of Records
11. PTL /QSP/11 Procedure for Internal Audit
12. PTL /QSP/12 Procedure for Management Review
13. PTL /QSP/13 Procedure for Training
14. PTL /QSP/14 Procedure for Housekeeping
15. PTL /QSP/15 Procedure for Estimation of Uncertainty of measurement
16. PTL /QSP/16 Procedure for Equipment
17. PTL /QSP/17 Procedure for Measurement Traceability and Calibration
18. PTL /QSP/18 Procedure for Sampling
19. PTL /QSP/19 Procedure for Handling of Test and Calibration Items
20. PTL /QSP/20 Procedure for Assuring the Quality of Test
21. PTL /QSP/21 Procedure for Reporting of Results
22. PTL/QSP/22 Procedure for use of NABL Symbol
Note: Replace DTL with PTL for Drug Testing Laboratory.
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