站位 | Cs-137实验室分析 | Cs-137现场分析 | 方法比较 | ||||||
采样体积(L) | ALab (Bq/m3) | 采样体积(L) | Ain situ (Bq/m3) | 方法探测限 LDD(Bq/m3) | δA/ALab | 判断标准-20% | |||
活度浓度 | 误差 | 活度浓度 | 误差 | ||||||
XY01 | 60 | 0.88 | 0.14 | 0.853 | 0.3 | 0.28 | 0.46 | 65.9% | 0 |
XY02 | 60 | 1.11 | 0.1 | 0.825 | 0.58 | 0.20 | 0.53 | 47.7% | 0 |
XY03 | 60 | 1.11 | 0.15 | 1.320 | 0.57 | 0.19 | 0.34 | 48.6% | 0 |
XY04 | 60 | 0.83 | 0.14 | 0.914 | 0.93 | 0.25 | 0.41 | −12.0% | 1 |
XY05 | 60 | 0.94 | 0.1 | 1.046 | 0.55 | 0.19 | 0.35 | 41.5% | 0 |
XY06 | 60 | 1.06 | 0.15 | 0.906 | 0.85 | 0.22 | 0.4 | 19.8% | 1 |
XY07 | 60 | 1.01 | 0.14 | 0.878 | 0.97 | 0.32 | 0.53 | 4.0% | 1 |
XY08 | 60 | 1.22 | 0.15 | 0.898 | 0.82 | 0.35 | 0.52 | 32.8% | 0 |
XY09 | 60 | 1.04 | 0.14 | 1.242 | 1.19 | 0.25 | 0.36 | −14.4% | 1 |
XY10 | 60 | 1.16 | 0.16 | 1.171 | 0.93 | 0.25 | 0.36 | 19.8% | 1 |
XY11 | 60 | 1.17 | 0.13 | 0.906 | 0.85 | 0.36 | 0.53 | 27.4% | 0 |
XY12 | 60 | 1.01 | 0.09 | 0.883 | 1.14 | 0.41 | 0.6 | −12.9% | 1 |
XY13 | 60 | 0.86 | 0.12 | 0.914 | 0.72 | 0.2 | 0.37 | 16.3% | 1 |
XY14 | 60 | 1.05 | 0.12 | 0.890 | 0.73 | 0.21 | 0.39 | 30.5% | 0 |
XY15 | 60 | 1.05 | 0.13 | 0.996 | 0.50 | 0.17 | 0.33 | 52.4% | 0 |
范围 | 60 | 0.83~1.22 | 825~1320 | 0.20~1.19 | 46.7% | ||||
平均值 | 1.03 ± 0.13 | 976 | 0.77 ± 0.17 |