Quality Assurance / Quality Control Center


Quality policy 
Assurance of the highest level of quality in all our testing activities.

Compliance of Quality Analysis / Quality Control Center activities with the requirements of LST EN ISO/IEC 17025 Standard.

Pursuit of recognized standing among the clients and consumers of our products both domestically and abroad. 


Impartiality and Operational Integrity

Quality Assurance / Quality Control Center will not engage in any activity that could pose the risk of eroding public confidence in our competence, impartiality and integrity.

Quality Assurance / Quality Control Center decisions are based exceptionally on the obtained test results. Such decisions are not, and cannot be affected by any interests or third parties.


All and any information on external clients and test results for the samples provided by our clients are considered to be confidential.



1979 - Crude Oil Refinery Mažeikių Nafta Central Laboratory commenced its activities.

2001 - Central Laboratory of the Company was reorganized by establishing Quality Assurance / Quality Control (QA/QC) Center.

2005 - Quality Assurance / Quality Control Center was accredited for its conformity to the international Standard LST EN ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories. The Center is accredited to perform petroleum product tests and manual sampling.

The accreditation was delivered by the Lithuanian National Accreditation Bureau which is a party to the Multilateral Recognition Arrangements of the European Accreditation (EA) signed in the areas of calibration, testing and product certification.


ORLEN Group brands