IBB 000,- HC CPPM] 



ib me. 



lass. 



100.. 



IB 



EvaurnoN des teneurs residueu.ee d hydrdcrrbures 



DHNS LE5 SEDIMENTS DE L RBER HRHOH 



12 



IB 21 



2H 27 



30 33 



36 



T CMDIS] 

 t > 



42 



HS 



FIGURE 8. Evolution of residual oil pollution in Aber Wrac'h sediments, 



TABLE 9. Evolution of oil pollution (ppm) in the Aber Wrac'h sediments 

 from 1978 to 1981. 



155 



