Enterprise Resource Planning 
effective radiated power 
Emergency Response Plan 
effective refractory period 
Enterprise Resources Planning 
Environmental Restoration Program 
extended reporting period 
Equivalent Radiated Power 
Error Recovery Procedure 
ear reference point 
Early Reduction Program 
Earth Rotation Parameters 
Economic Recovery Program 
Economic Recovery Programme 
Effected Radiative Power 
Effective Radiation Power 
Emergency Response Plans 
endoscopic retrograde pancreatography 
Enforcement Response Policy 
Enterprise Resource Project 
Environmental Results Program 
environmental review process 
Equipment Reception Party 
European Recovery Program 
event related potential 
early receptor potential 
Early Retirement Pension 
Early Retirement Programme 
Educational Reimbursement Program 
Effected Radiation Power