Maryland Environment Section 6-838

      (a)      An owner of an affected property that is not in compliance with the provisions of Part IV of this subtitle during the period of residency of the person at risk is presumed to have failed to exercise reasonable care with respect to lead hazards during that period in an action seeking damages for alleged injury or loss caused by the ingestion of lead by a person at risk in the affected property.

      (b)      The owner has the burden of rebutting the presumption established under subsection (a) of this section by a preponderance of the evidence.