The influence of plasma rotation on ion transport has been investigated by various authors [1-6] and the topic of plasma rotation in Tokamaks has been reviewed recently by Rozhansky and Tendler [6]. Renewed interest in the effects of plasma rotation on the impurity dynamics arise from the recent observations, with JET soft X-ray tomography, of high-Z impurity emissivities four times higher on the outer side of the plasma poloidal cross section than on the inner side, following trace-impurity injection experiments [7]. Similar poloidal asymmetries were observed at JET in the past by Feneberg and Giannella [8-9] and in Asdex by Smeulders [10].