CH200 is the next of the chemical anchor range which now has WRAS approval which covers the use of cured resin in contact with potable (drinking water). CH+, Chemfix 500 and Pure Epoxy 1:1 are also covered by WRAS.
Chemfix CH200 is suitable for contact with wholesome water for domestic purposes having met the requirements of BS6920-1:2000.
Chemfix CH200. Grey coloured, chemical resin anchor. Styrene Free Version: before curing for 90 minutes at 5°C. For use with water up to 23°C. For use as a resin anchor having been tested at a reduced surface area to volume ratio of 1,000mm² per 1 litre of water.
The approval listing in the WRAS website can be found here