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Development of a Rapid Indicator of Biodeterioration of Historic Stone (2008-09)

On December 31, 2008 By NCPTT

Biodeterioration on historic grave markers

2006 NCPTT Grant to Harvard University, "Development of a Rapid Indicator of Biodeterioration of Historic Stone." Biodeterioration plays an important role in the degradation of stone in historic buildings, monuments, and archeological sites.

Removal of Arsenic and Mercury Contamination in Museums using a Natural Environmentally Benign Chemical (2006-02)

On December 31, 2006 By NCPTT

Some natural science specimens and ethnographic artifacts in museums were historically treated with arsenic and mercury salts. This has created an environmental concern for museum workers and the public who may be exposed to these toxins. In addition, museums are frequently being asked to return sacred objects under the Native American Graves Protection and Repatriation Act (NAGPRA).

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National Center for Preservation Technology and Training
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Email: ncptt@nps.gov
Phone: (318) 356-7444
Fax: (318) 356-9119

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Last Updated: July 9, 2012.
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