Whole body concentration ratio of 137Cs, 85Sr and 65Zn for Chinese minnow (P. oxycephalus) and earthworm (E. andrei)

The whole body concentration ratio (CR) of Cs-137, Sr-85 and Zn-65 for Chinese minnow (P. oxycephalus) and earthworm (E. andrei) were experimentally measured in a laboratory. The mean CR (Bq/kg fresh per Bq/l) of Chinese minnow was 3.5 for Cs-137, 11.0 for Sr-85, and 9.8 for Zn-65, respectively. The mean CR (Bq/kg fresh per Bq/kg) of earthworm was 4.4 x 10(-4) for Cs-137, 1.7 x 10(-3) for Sr-85, and 1.4 x 10(-3) for Zn-65, respectively.