“It still leaves the problem that thousands of contractors, repairmen and painters can’t repair tens of thousands of buildings built before 1978, some flooded, some not flooded.” In Nashville, more than 5000 buildings and … Mark Carlisle, a contractor who was working Tuesday on his flooded house on Delray Drive, didn’t know about the new EPA rule. Neither did several other contractors, his friends, who were busy working on the electricity and plumbing inside the home. …