Sharon C. Park, AIA, is the Senior Historical Architect for the Preservation Assistance Division of the National Park Service. Douglas C. Hicks is the Deputy Chief of the Williamsport Preservation Training Center of the National Park Service. Both authors served on the National Park Service Housing Task Force addressing lead-safe employee housing and on various national panels to discuss combining lead-safe housing, worker safety, and historic preservation concerns.

Kay D. Weeks was technical editor for this publication project. The project was completed under the direction of H. Ward Jandl, Deputy Chief, Preservation Assistance Division. The authors also wish to thank the following individuals for providing technical information or for supplying case study projects: Claudia Kavenagh, Building Conservation Associates, Inc; David E. Jacobs, Armand C. Magnelli, National Center for Lead-Safe Housing; Ellis Goldman, William Wisner, and Catherine Hillard, HUD Office of Lead-Based Paint Abatement; Ellis Schmidlapp, Landmarks Design Associates (Pittsburg, PA); Crispus Attucks Community Development Corporation (York, PA); Charlene Dwin Vaughn and Rebecca

Rogers, the Advisory Council on Historic Preservation; George Siekkinen, National Trust for Historic Preservation; Deborah Birch, Einhorn Yaffee Prescott Architects; Baird M. Smith and Quinn Evans Architects; Jack Waite, Messick Cohen Waite Architects; Jim Caufield, Pennsylvania Historical and Museum Commission; Mike Jackson, Illinois Historic Preservation; Martha Raymond, Ohio Historic Preservation Division; Susan Chandler, Connecticut Historic Commission; Steade Craigo, California Office of Historic Preservation; Christopher Jones, Rocky Mountain Regional Office, NPS; Rebecca Shiffer and Kathleen Catalano Milley, Mid-Atlantic Regional Office, NPS; Peggy Albee, North Atlantic Regional Office, Cultural Resources Center, NPS; Victoria Jacobson, AIA, Mt. Rainier National Park; E. Blaine Cliver, Anne E. Grimmer, Thomas C. Jester, Michael J. Auer, Charles A. Birnbaum, ASLA, and Charles E. Fisher of the Preservation Assistance Division, the National Park Service, and Thomas McGrath, Williamsport Preservation Training Center.

This publication has been prepared pursuant to the National Historic Preservation Act of 1966, as amended, which directs the Secretary of the Interior to develop and make available information concerning historic properties. Technical Preservation Services (TPS), Heritage Preservation Services Division, National Park Service prepares standards, guidelines, and other educational materials on responsible historic preservation treatments for a broad public.