ALS Limited and its Mineral Division is the world leader in sphere of analytical and laboratory testing for exploration and mining companies. The company is specialized in laboratory testing and assays of geological materials: core, RC, trench, rock, soil, stream sediment and other materials.  ALS Limited (formerly Campbell Brothers Limited) – is registered by the Australian Stock Exchange. ALS includes 350 sample preparation and analytical laboratories, located in 55 countries of the world, including Russia, with a total of about 12,000 employees. ALS clients include leading international mining, smelting and mineral exploration companies.  Our laboratories in Russia & Central Asia offer a wide range of services, including sample preparation, drying, crushing, pulverizing, mono- and multi-element assays for gold and other elements by means of fire assaying, atomic-absorption spectrometry (AAS) and atomic-emission spectroscopy with inductively coupled plasma (IСР АЕS) and ICP-MS (Mass Spectrometry).  ALS laboratories are equipped with modern instruments and operate in accordance with ALS  system of quality management and standard operating procedures, which corresponds to requirements of International Standards Organization (ISO) and requirements, approved in the Russian Federation (GOST).  The laboratories are accredited under the system of accreditation of analytical laboratories (centers), and they have certificates verifying compliance with requirements of GOST R ISO/ IEC 17025-2006 (international standard ISO/IEC 17025: 2005).