Facilitated transport of trivalent lanthanides, viz. La(III), Eu(III), Lu(III) and several fission product elements such as Tc, Mo, Zr, Pd, I, Cs and Ru across a flat sheet supported liquid membrane made of PTFE impregnated with N,N,N',N'-tetraoctyl diglycolamide (TODGA) in n-dodecane was investigated from dilute nitric acid solutions. The transport rates of lanthanides increased with nitric acid concentration in a manner similar to their distribution ratios. The trend in metal ion transport after 75 min followed the order: La > Eu > Lu > Zr > Sr > I > Pd similar to Tc > Ru > Mo similar to Cs, which was consistent even after 5 h of operation. However, the transport of I reached the maximum value of similar to 26% in 100 min and remained constant thereafter. In the case of Am(III) transport studies, excellent decontamination from Zr was achieved when 0.4 M oxalic acid was added to the feed solution.