The Laboratory applies certified and non-certified testing methods. Certified methods applied in the Lab are listed in the laboratory scope of accreditation. Development of the testing Laboratory is mainly directed toward the petroleum industry and their founder NIS j.s.c. Novi Sad.

The Laboratory has a professionally trained and skilled management and technical staff performing their duties as per job descriptions and it has the technical resources for independent performance of activities. The professional competence of the staff is ensured by planning and implementation of trainings in testing and also in maintenance and permanent improvement of the management system.

The Laboratory is an independent organizational entity performing laboratory tests. Independence and prevention of the conflict of interest are ensured in the way that the Manager of the Section for Control and Laboratories reports directly to the Director of "NAFTAGAS-Tehnicki servisi" as is clearly defined by the internal organization and job schedule and definition of obligations and duties.

The Laboratory quality policy and the documented procedures are directed towards ensuring the protection of confidential information and user's ownership rights as well as towards raising the level of user's confidence in the competence, impartiality, fairness and professional approach. Observance of ISO/IEC 17025, SRPS ISO 9001:2008, and SRPS ISO 14001:2005 standards is fully supported by the top management.

The Laboratory applies testing methodologies in accordance with the SRPS and international standards.

If the client does not specify a testing method or if a method proposed by the client during negotiations is obsolete or unsuitable the method must be mutually agreed upon, taking into consideration the fact that the Laboratory applies standardized methods. 

Laboratory tests by means of non-certified methods: