% Particles Removed from Water % p ar ticles Removed from Water 
Figure 9-2. 48-hour Exposure: Comparison of Filtering Activity 
of Mytilus edulis Exposed to W.A.F. No. 2 Fuel Oil. 
Figure 9-3. Two-week Exposure: Comparison of Filtering 
Activity of Mytilus edulis Exposed to W.A.F. No. 2 Fuel Oil. 
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