GOST R 51330.11-1999 Explosionprotected electrical apparatus. Part 12. Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
GOST R 51330.5-1999 Explosionprotected electrical apparatus. Part 4. Method of test for ignition temperature
GOST R 8.580-2001 State system for ensuring the uniformity of measurements. Determination and application of precision data in relation to petroleum products tests methods
GOST R ISO 14001-2007 Environmental management systems. Requirements with guidance for use
GOST R ISO 3675-2007 Crude petroleum and liquid petroleum products. Laboratory hydrometer method for determination of density