V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

EPL
       Elektronenstrahl-ProjektionsLithographie


The Free On-line Dictionary of Computing (30 December 2018):

EPL

   1. Early PL/I.

   2. Experimental Programming Language.

   3. Eden Programming Language.

   4. Equational Programming Language

   5. Ethernet Private Line