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Information × Registration Number 0219U101879, 0119U101994 , R & D reports Title Examination of materials for the evaluation of technically achievable levels of residual dusty air in underground workings of "DobropolskoeMineGroup". Acceptance of acts of technically achievable levels of residual dusty air popup.stage_title Head Usov Oleh O., Registration Date 20-11-2019 Organization Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine popup.description2 The object of the study is air dust in underground workings. Purpose: to determine the admissible levels of dust content. Research methods: analysis of mining conditions, dust measurement results and regulatory documentation on dust load levels. As a result of studies, the levels of air dustiness were determined to be safe in pneumoconiosis.  Product Description popup.authors popup.nrat_date 2020-04-02 Close