In this section the following words have the meanings indicated. “Listed facility” means a radon testing facility that is listed in the report of the latest round of the United States Environmental Protection Agency’s National Radon Measurement Proficiency Program. “Radon testing device” means a device that: Collects radon or radon progeny; and Requires analysis by an independent measuring facility or radon tester. “Radon testing device” does not include a self-analyzing device that collects radon or radon progeny. A person who engages in the business of testing for the presence of indoor radon shall: After completion of round 6 of the United States Environmental Protection Agency’s National Radon Measurement Proficiency Program, have all tests analyzed by a listed facility; Indicate the name of the facility conducting the analysis on the radon testing device; and Disclose in writing to the ultimate consumer the results of the radon test and the name and address of the facility that analyzed the test. The Department: May adopt regulations to require radon testing facilities to send test results to the Department; and May not disclose, in response to a request from the public for the name of a radon testing facility, the name of a radon tester that is not a listed facility.