A method of detecting radiological substances on a surface comprises coating the surface with a coating containing an indicator material that produces UV emissions and monitoring the coating to detect the radiological substances. A UV viewer can be used for monitoring the coating to detect the radiological substances. The invention also provides a coating that includes an indicator material carried by the coating that provides an indication of the radiological substances.
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT
 The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory.