Inspections on Board Oil Tankers

Harbour Porpoise Presence near Oil Tankers

Harbour porpoises (Phocoena phocoena) are thought to be “shy” animals that are easily disturbed by underwater noises. There is concern that sources of anthropogenic sound, especially those associated with shipping and pile driving, will drive porpoises away from their preferred habitat [1]. A recent study, however, found that harbour porpoises were occasionally present within a few hundred m of...

Casualty Rate Prediction for Oil Tankers

A model of oil tanker casualties is presented which permits an e.upected casualty ratefor each tanker to be calculated based on its age and casualty history. These expected rates are shown co be good predictors of both the actual cosuoly expertence and the probability of total loss. The model is based on thefindings that 1) the casualty behavior of an individual tankerfollows a Poisson distrtbu...

On-board Monitoring of Engine Oil

Exposure of the deck crew to carcinogenic agents on oil product tankers.

Work on deck on eight oil product tankers was examined. The purpose was to evaluate the need for improvement of the working environment to reduce the risk of occupational cancer. Benzene, polyaromatic hydrocarbons (PAHs) and organic lead compounds were sampled, and the crew answered a questionnaire on acute health effects. By area monitoring, benzene was generally found to be in the range from ...

A probabilistic model for accidental cargo oil outflow from product tankers in a ship-ship collision.

In risk assessment of maritime transportation, estimation of accidental oil outflow from tankers is important for assessing environmental impacts. However, there typically is limited data concerning the specific structural design and tank arrangement of ships operating in a given area. Moreover, there is uncertainty about the accident scenarios potentially emerging from ship encounters. This pa...