Biocide for limestone

Leesa Vere-Stevens <leesavere [at] yahoo__co__uk> writes

>Could anyone advise on the most appropriate biocide for the
>treatment of a number of archaeological architectural stone
>fragments which are on display in an outdoor environment and are
>suffering badly from green algae.

There is a diploma thesis on this subject in German. You find it,
including a English summary, at
<URL:http://www.hornemann-institut.de>. Or contact the Author,
Annika Bachem <abachem [at] gmx__de>
Olaf Pung, stone conservator, Berlin


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                  Conservation DistList Instance 16:39
                Distributed: Tuesday, December 10, 2002
                       Message Id: cdl-16-39-007
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