Criteria for hygienic evaluation of working environment concerning sea transport objects

: The studies carried during ships navigation covered some intrinsic factors (levels of noise, vibration, microclimate, air components, concentration of polymers, electrostatic fields, and others) of the ship and such extrinsic environmental factors as climate of the navigation area, temperature, ambient air moisture, wind force and direction. The studies proved strong correlation between hygienic parameters in the ship and its type and destination, length of service, climate of the navigation area, that is assumed to be a criteria for evaluation of work conditions at the ship.