Table 2. Lead-210 and Cesium-137 values in core JM06-WP-04-MCB

Calculation of excess Lead-210 was obtained by substracting Lead-210 to its supported value (i.e. 7.8±0.6 dpm/g).过剩铅-210（Lead-210）的计算方法为：将铅-210减去其支撑值（即7.8±0.6 dpm/g）即可得到。