If you have visited the nation’s capital, there is a sight you may not have expected to see while touring monuments, government buildings and museums. Look in the right places at the right times, and you see homeless people trying to stay alive under highway bridges and in public parks. In addition to having no shelter, these people face another problem: lack of proper sanitation.It is an issue that directly affects portable restroom operators in the region around Washington, D.C. They pay a measurable price for the lack of a solution to part of the homeless problem. But a nongovernmental
