A Test Case and Evaluation

Laser Cleaning at the Thomas Jefferson Memorial @ 1849 C St NW, Washington, DC 20006

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Join National Park Service National Mall and Memorial Parks Architectural Conservator Justine Bello to learn more about this test case and the state of the memorial.

Laser Cleaning at the Thomas Jefferson Memorial: A Test Case and Evaluation

Over the last decade, the dome of the Thomas Jefferson Memorial has become rapidly and visibly soiled by biofilm. A multi-disciplinary team of professionals has been studying the growth since 2014 to determine the best options for removing it. In 2017, the first test cleaning of the dome was suc cessfully performed using laser technology, specifically designed for heritage preservation. Join National Park Service National Mall and Memorial Parks Architectural Conservator Justine Bello to learn more about this test case and the state of the memorial.

Special Assistance - For those in need of special assistance (such as an interpreter for the hearing impaired) or inquiries regarding the accessible entrance, please notify museum staff at (202) 208-4743 in advance of the program. Special needs will be accommodated whenever possible.

Building Access - All adults must present a valid photo ID to enter the building. All visitors will be subject to security screenings, including bag and parcel checks.

Location - The Rachel Carson Room is located next to the basement cafeteria of the Stewart Lee Udall Department of the Interior Building, 1849 C Street NW, Washington, DC, 20240.



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