Do Not Migrate
Irving Slavid and John Zito clamping marker

Irving Slavid and John Zito clamping marker

Mary Striegel and Jason Church of NCPTT conducted a comprehensive condition assessment and documentation of the Macomb and the U.S. Arsenal Monuments in Washington, DC’s, historic Congressional Cemetery.

The visit included consultation with Irving Slavid and Norman Weiss of Monument Conservation Collaborative. Testing and evaluation included digital microscopy, color measurements, X-ray Fluorescence analysis, biological analysis and photo-documentation. The ongoing project is in collaboration with the NPS Historic Preservation Training Center.

For more information, contact Mary Striegel.

National Center for Preservation Technology and Training
645 University Parkway
Natchitoches, LA 71457

Email: ncptt[at]
Phone: (318) 356-7444
Fax: (318) 356-9119