■PREFACE 



The study of the effects on aquatic organisms of oil mixed 

 vrith carbonized sand was undertaken at the reauest of the Depart- 

 ment of the Navy, which has authorized release of this report on 

 findings. The report does not attempt, and should not be construed 

 as an attempt, to relate the observed effects of oil or oils mixed 

 with carbonized sand to the effects of oil pollution generally or 

 to oil pollution as it may affect aouatic organisms in any particular 

 situation. 



