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The Impact of Drilling and Production Operations 83
H
I
H —C— H
Benzene Toluene
H
H
I
H-C-H H-C-H
H
H
H
Xylene Ethylbenzene
Figure 3-5. Structure of some common aromatics.
are solids and are insoluble in crude oil, although they can be dispersed
in oil as a colloidal suspension.
3.2.2 Hydrocarbon Toxicity
A number of bioassay tests have been conducted to determine the
toxicity of various hydrocarbons on marine animals. The toxicity of
