Occupational safety standards system. Respiratory protective devices. Method of test. Part 6. Determination of carbon dioxide content of the inhalation air
Air quality. Measurement of stationary source emissions. Requirements for measurement sections and sites and for the measurement objective, plan and report
Anodic earthing of the electrochemical protective installations against corrosion of underground metal constructions. Methods for determining the biocorrosion aggressiveness of soils and their impact on underground metal constructions