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
Requirements to the contents and as built documentation for construction reconstruction major overhaul of capital construction facilities and the requirements applying to acts for the performed work structures utility network sections
Order of using welding equipment for manufacture, assembly, repair and reconstruction of production devices for hazardous industrial facilities (Regulation No. 102 of 19.06.03 of the State Mine Engineering Inspectorate (Gosgortekhnadzor) of the Russian Federation
