Evaluation of Ultra Filtration for Recycling Alkaline Cleaners at Railroad Facilities, R-904 Rajagopalan, N., I.S. Han, J. Pickowitz, T.C. Lindsey, W. Wu, R.P. Andes and C.P.L. Barkan. 1998. Evaluation of Ultra Filtration for Recycling Alkaline Cleaners at Railroad Facilities, R-904. Association of American Railroads, Washington, DC. Files We're sorry. At this time, we do not have a full text copy of this text available. Categories Other