RD 51-0220570-2-93

Guidelines for the protection of secondary circuits of power plants and substations from impulse noise

Diesel-generators sets of the nuclear power plants

Mass concentration of nitrogen oxide and nitrogen dioxide in atmosphere air samples. The procedure of measurement by photometric method using sulfanilic acid and I-naphthylamine

Design guidelines for urban public utility electrical networks (with amendments as of 29.06.1999)

Recommendation. State system for ensuring the uniformity of measurements. Metrological characteristics of measuring instruments. Nomenclature. Principles for regulatory activity, identification and control

Instructions on keeping general and (or) special work logs on construction, reconstruction and overhaul of capital facilities