Presidential Executive Order 13287 -
D/2 Biological Solution
Executive Order 13287, Preserve America FY 2011 Triennial Report
Department of Veteran Affairs.
For full report click on the link below.
Page 3 The National Cemetery Administration recommends D/2.
"The NCA entered into an agreement with the
National Center for Preservation
Technology and Training, NPS,
to evaluate marble cleaners in an effort to
minimize damage to historic headstones.
The 3-phase study began in 2004
and was completed in 2011.
The best-practice recommendations resulted
in NCA's determination to use the preferred cleaner,
D/2 Biological Solution"