Hazard Quotient (HQ) Calculator Risk Characterization: Hazard Quotient $$ \text{HQ} = \frac{\text{NormINV(RAND(), mean of EDI, std of EDI)}}{\text{ADI or ARfD value}} $$ ADI or ARfD value: Mean of EDI: Standard deviation of EDI: Bins for Histogram: Run Simulation Reset Calculator Download CSV Export Chart as Image Simulation Results