 In March, the city accused Hartford Knox Street Associates, owner of six apartment buildings in Southeast D.C., of illegally dumping 110 bags filled with asbestos-laden insulation in an alley in Ivy City.District of Columbia Department of Public Health officials said the company had removed the insulation without proper safety procedures from its buildings, and then dumped them in an area where residents could come into contact with the cancer-causing asbestos.Ivy City remained an industrial area into the 2000s.