Environmental protection. Water. Rules for monitoring water quality of reservoirs and streams
Охрана природы. Гидросфера. Правила контроля качества воды водоемов и водотоков. |
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Rosstat 78Completing Statistical Supervision Form for … |
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GD Постановление 689 от 15.11.2006Government of the Russian Federation. Decree … |
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SNiP 12/3/2001Occupational Safety in Construction |