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Information × Registration Number 0219U005456, 0117U004484 , R & D reports Title Expert evaluation of materials for assessing technically achievable levels of residual dust in the air (TAL) in underground excavations of the State Enterprise "Mine N.S. Surgay". Approval standard TAL acts. popup.stage_title Head Vasiliev Leonid Michailovich, Registration Date 21-11-2019 Organization Institute of Geotechnical mechanics of NAS of Ukraine popup.description2 The object of study - dustiness of air in underground workings; Purpose - to define an acceptable level of dust; methods of research - analysis of mining conditions, the measurement results of dust and normative documents on levels of dust load; the result of research - identification of a safe level of airborne dust pneumoconiosis.5481 Product Description popup.authors Васильєв Л. М. Усов О.О. popup.nrat_date 2020-04-02 Close