GOST R 50922-96

Peat and products of its processing for agriculture. Methods for determination of ammonia nitrogen

State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for means measuring electrical capacity and tangent loss angle

Standard radionuclide solutions and standard ionizing radiation radionuclide sources. Verification certificate contents

Safety in emergencies. Technogenic emergencies. Terms and definitions

Mixtures classification of hazard for health

Electromagnetic compatibility of technical equipment. Emission from technical equipment intended for use in residential, commercial and light-industry environments. Limits and test methods