ERLs : Emergency Reference Levels. Quantitative criteria used to plan for the introduction of urgent countermeasures in the event of a nuclear emergency. (Nuclear)
Joint Emergency Services Interoperability Principles JESIP (Working Together Saving Lives), Glossary (Common Language within Emergency Services - A Sub-Set of the UK Civil Protection Lexicon), UK 2015. http://www.jesip.org.uk/glossary/, (Emr Common Lang - Brit) {929}