[Integral methodologic approach to occupational health maintenance for oil industry workers in North-West Siberia (exemplified by JSC "Novosibirsknephtegaz" model)].

The authors analyzed work conditions and health of workers in oil-extracting industry of Novosibirsk region. Findings are that work safety system based on workplace certification concerning work conditions and on occupational safety activities certification is the most important component in primary prevention of occupational hazardous effects on life and health of workers during the occupational activities.