Roofing, hydraulic-insulating, flexible, bitumen-based materials and polymeric (thermoplastic or elastomer) materials. Method determination of watertightness
Brown coals, hard coals and anthracites. Methods for determination of beryllium, boron, manganese, barium, chromium, nickel, cobalt, lead, gallium, vanadium, copper, zinc, molybdenum, yttrium and lanthanum