HQ = [(C x FIR x ED x EFr) / (BW x AT x RfD)] x 10 - 3 HI = HQi = HQKLN1 + HQKLN2 + HQKLN3 +... + HQn CR = [(EF x ED x FIR x C x CSF0) / (BW x AT)] x 10 - 3 In which: C: HM concentrations in vegetables, fish tested (mg / kg).