Standard operating protocol for the monitoring of cryptosporidium oocysts in treated water supplies to satisfy Water Supply (Water Quality) Amendment Regulations, 199X, SI XXX (draft).
Great Britain.Drinking Water Inspectorate.
Great Britain.Department of the Environment, Transport and the Regions.
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[London] : Drinking Water Inspectorate,
1998.
At foot of cover: Department of the Environment, Transport and the Regions - Welsh Office.