4. Revise the following list so that the lead-in is clear, easy to understand, and punctuated correctly. In addition, be sure the bullet items are grammatically parallel with one another.

There are several goals being pursued by the Natural and Accelerated Bioremediation Research office;

the development of cost-effective in situ bioremediation strategies for subsurface radionuclides and metals;

an understanding of intrinsic bioremediation as well as accelerated bioremediation using nutrient amendments to immobilize contaminants;

identifying societal issues associated with bioremediation research, and communication of bioremediation research findings to stakeholders.