Pollution of the water supply in Mersey and Clwyd--a cause for concern?
D004739:England; D005618:Fresh Water; D019800:Phenol; D010636:Phenols / Q000032:analysis*; D014852:Wales; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014881:Water Supply / Q000032:analysis*
D010636:Phenols; D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D019800:Phenol