Repairing gravestones

I've had a question posed to me by a member of the public that wishes to
know if the information on a web page about cleaning gravestones is
appropriate.

    <URL:http://www.moonrakers.com/repair.htm>

As a conservator, I know the techniques and approach described in
the document are inappropriate. I am trying to determine if one
product mentioned is at all suitable for consolidation of a
limestone grave site.  The writer lists a water-based polymer
(styrene butadiene) that has been recommended and used in building
restoration projects in England.  This is not my area of expertise,
but we have a very interested web-surfing public, and this kind of
information is *out there*  Thanks to anyone who investigates this
site and answers. Regards,

Ramona Duncan-Huse
Head of Conservation
Indiana Historical Society Library
315 W. Ohio Street
Indianapolis, IN 46202
317-232-1879
Fax 317-233-3109

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                  Conservation DistList Instance 11:28
                Distributed: Tuesday, September 23, 1997
                       Message Id: cdl-11-28-010
                                  ***