Experience Rate/FactorClaims Training Modules0 Experience Modification Rate (EMR) is a number used by L&I to gauge both past cost of injuries and future chances of risk. This post is only available to members. Previous Next Related Posts Return To Work – Job Offer Letter Kept on Salary (KOS) Unemployment Incident Reporting and Investigation Retro 101 Group Retro – Loss Ratio? Return to Work Workers’ Compensation Return to Work Guide for Light Duty