ibh era,. H< CPPM3 



10 2Z2 



IEZQ 



IBQ.. 



13 



EVtaajTION DES TENEURS RE5IDUELLES MOTENNES HYDRDOTRBURE5 

 DRNS LES SEDIMENTS DE DIFFERENT5 SECTEURS DE L RBEH WRRCH 



5RHLE5 VH5ELK 



RHI2NT CST S.7iBi9: 



TDUTES 5TRTIDNS 

 RVRL CST I.2.H.SJ 



SRBUES FINS 



EXBDUCHURE t5T 33 



T CMDI5J 



12 IS IB 21 2H 27 30 33 3B 39 H2 



FIGURE 9. Evolution of average residual oil pollution in sediments 

 from the Aber Wrac'h. 



20 . 00 . . 



a aa 



TflUX DE DEaKTRMINfTrilW DES SEDIMENTS 

 DC I RBEH HRRCH 



6 00 



12.00 



18. 019 2M.00 



3B.00 



jKJIBEH WRRCH 



ST I.2.M.S.B, 



7.8,1 3 



EMBOUOHURE C5T 3 3 



3 



I I 



.00 H2.C0 



T CMQI53 



FIGURE 10. The rate of oil decontamination in sediments from the Aber 

 Wrac'h. 



156 



