Maryland Code, Environment § 6-829

(a) A person who receives notice under § 6-828(b)(1) of this subtitle is entitled to the results of any available prior blood lead tests of the person at risk for the purpose of determining whether to make a qualified offer under this subtitle and whether the qualified offer should be designated as a co-offer.

(b) In the event a local health department notifies an owner of an affected property in accordance with § 6-828(b)(1) of this subtitle, the local health department shall also provide the owner with any blood lead test results and history of residence for the person at risk which the local health department has on record.