1. WHOLE BODY VIBRATION EXPOSURE AND PREDICTION OF HEALTH RISKS ASSOCIATED WITH THE OPERATION OF SURFACE HAUL TRUCKS IN OPENCAST MINES IN NORTHWEST RUSSIA KIROVSK CITY Underground mine Open mine Øvrum A. (1), Skandfer M. (1), Talykova L. (2) Nikanov A. (2), Syurin S. (2), Khokhlov T. (2)