He is also an adjunct professor at the Stetson University College of Law, where he teaches a course on Environmental Regulation of Real Property. Dickson said there is not enough information in the two DEP letters to tell what the city and DEP had agreed to in their consent decree. It is common, Dickson said, for a regulatory agency to say a property does not need to be cleaned up further if a cap, like a parking lot, has been put over the contaminated property.