GOST EN 12766-2-2014 Petroleum products and used oils. Determination of polychlorinated biphenyls (PCB) and related products. Part 2. Determination of PCB content
2014GOST EN 12766-2-2014 Petroleum products and used oils. Determination of polychlorinated biphenyls (PCB) and related products. Part 2. Determination of PCB content