TABLE 2. Hydrocarbon concentrations with depth. 



BIOTOPE AND 

 STATIONS 



DEPTH OF 

 SAMPLE (cm) 



TOTAL HC; g/kg OF DRY SEDIMENT 

 12/78 3/79 11/79 5/80 



Marsh 



Di 



Bi 



Ci 



ps 

 0- 3 

 3-14 



34-37 



0- 3 



3-14 



14-26 



0- 3 

 3-14 



ps 

 0- 3 

 3-14 



14-32 



39.87 

 14.98 



0.03 

 0.04 



230.60 



17.78 

 0.18 



1.50 

 0. 54 

 0. 15 

 0. 05 



Channel 



A 2 



Upper Mud Flat 



Ej 



B, 



0- 

 3- 



5. 5(, 



0- 3 



3-1 1 



1 1-20 



20-27 



ps 

 0- 3 

 3-15 



15-19 



24. 95 

 0. 65 



3. 45 

 2. 40 



0. 52 

 0. 19 



ps = surface crust, sampled by scraping 



106 



