CONTENTS 



INTRODUCTION 1 



EXPERIMENTAL WORK 1 



Properties of the Fuel Oils ....... 1 



Evaporation of Thin Oil Films ...... 3 



Simulated Weathering of Oils on Seawater .... 4 



DISCUSSION 5 



General Considerations ........ 5 



Evaporative Losses ......... 8 



Dissolution and Dispersion . . . . . . . 10 



Changes in Viscosity . . . . . . . . 11 



CONCLUSIONS 12 



ACKNOWLEDGMENT 12 



REFERENCES 12 



APPENDIX - Determination of Oil Evaporation by Gas Chromatography 14 



