Children Act (U.S. federal legislation; since superseded by the Individuals with Disabilities Education Act) (i) Emotional Health Anonymous EHF – (i) Extremely High Frequency EHR – (i) Equipment History Record EI Ei – (s) Exbi EI – (s) Ireland (FIPS 10-4 country code; from Éire) EIA – (i) Environmental Impact Assessment EIAH – Environnements Informatiques pour l'Apprentissage Humain EIAH – Encyclopedia of Iranian Architectural History EIC – East India Company EICS – East India Company's Service eID – electronic ID EIRP – (i) Effective Isotropic Radiated Power EIS – (i) Environmental Impact Statement EJ EJ – (s) Exajoule EK EK – (s) Equatorial Guinea (FIPS 10-4 country code) – Exakelvin EKG – (i) Electrocardiogram (from German Elektrokardiogramm) EKMS – (i) Electronic Key Management System EL el – (s) Greek language (ISO 639-1 code) EL – (s) Exalitre ELF (a/i) Earth Liberation Front Endangered Language Fund Eritrean Liberation Front Executable and Linkable Format Extremely Low Frequency ELINT – (p) Electronic Intelligence ell – (s) Greek language (ISO 639-2 code) ELL – (i) English Language Learner ELM – (i) Edge-Localised Mode (plasma physics) ELO – (i) Electric Light Orchestra ELP (i) Emerson, Lake & Palmer European Left Party ELSS – (i) Emergency Life Support Stores ELT – (i) Emergency Locator Transmitter EM Em – (s) Exametre EM – (i) ElectroMagnetism/ElectroMagnetic EMA – (i/a) European Medicines Agency Embraer – (p) Empresa Brasileira de Aeronáutica (Portuguese, "Brazilian Aeronautics Company") EMC (i) Electric Membership Corporation Electromagnetic Compatibility Electro-Motive Corporation European Muon Collaboration Evergreen Marine Corporation EMCON – (p) (Electromagnetic) Emissions Control EMD (i) General Motors Electro-Motive Division Engineering and Manufacturing Development European Missile Defence EMDEX – (a) Essential Medicines InDEX EMDG – (i) Euro-Missile Dynamics Group EMDR – (i) Eye Movement Desensitisation and Reprocessing EMEA – (i) Europe, Middle East and Africa EMF (i) Electromotive force Epsom Mad Funkers (1990s–2000s indie dance band) EMG – (p) ElectroMyoGraph EMO – (i) Emergency Measures Organisation- (p) Emotional EMP – (i) ElectroMagnetic Pulse EMS – (i) Emergency Medical Services EMT – (i) Emergency Medical Technician EMU – (i) Electric Multiple Unit – a method of connecting self-propelled railway vehicles together to form a train under the control of one driver. EMV – (i) Europay, MasterCard, Visa (the companies that developed the current technical standard for chipped payment cards and contactless cards) EN en – (s) English language (ISO 639-1 code) EN (p) Corps of Engineers (s) Estonia (FIPS