Abstract : This note describes the performance obtained by applying the soft electron b-tagging algorithm to CSC data. Jets are built from the energy reconstructed in the electromagnetic and hadronic calorimeters with a cone algorithm. Electrons, reconstructed by a track seeded algorithm, are searched for among charged particle tracks associated to the jets. Tagging of jets originating from b quarks is based on kinematics and identification capabilities of the inner tracker and the electromagnetic calorimeter. The algorithm is applied on WH events, with H->bb and uu decays. Performance of the electron identification and b-tagging procedures are presented. This note is an extended version of the ``CSC note'' published on the same subject.