Worldwide Open Proficiency Test: Determination of ... - Nucleus - IAEA

[Bq/kg]
13
11
9
7
5
3
1
164 173 142 26 51 97 270 109 191 81 213 2
232 205 42 249 98 264 183 52 278 283 82 157 267 244 190 72 71 131 187 227 93 256 250 6199
206 25 152 151 273 15 143 144 43 202 150 223 204 14 85 78 167 123 103 219 146 86 13 74 126 292 293 179 1246
39
22 128 237 241 276 211 218 32 234 99 255 44 64 174 134 233 251 61 186 285 56 73 170 288 23 122 169 265 16 124 27 295 258 106 5
91 172 210 296 34 185 110 118 139 275 220 132 57 63 100 130 320
269 95 127 168 214 257 216 245 107 176 18 60 90 111 165 236 158 300 175 242 268
46 53 184 208 290 92 239 238 161 254 271 113 215 83 159 200 30 41 193 263 274 50 259 45 217 188 177 297 62 163 733
75 119 192 221 299 181 279 55 65 36 47 21 37 289 77 11 80 94 133 194 252 138 272 105 178 40 76 19 284 31 59 68 89 96 240 253 24 195 171 243 136 212 162 435 38 58 87 115 224 120 101 112 114 298 17 201 153 166 154 29 88 226 261 294 54 79 84 125 209 145 207 182 12 70 140 235
Lab
code
Draft, page 144
Rep.
Value
Performance evaluation of Cs-137 measurement results
Rep.
Unc.
Spiked water sample 02
Target Value: 9.5 ± 0.19 [Bq/kg]
Unc.
[%]
W
4%
N
14%
A
82%
Cs-137 Water sample 02
Rel.
Bias
Laboratory code
A1 A2 True. P Prec.
1 8.59 0.77 8.96 -9.58 0.9 2.0 A 9.2 A A
2 9.2 0.35 3.80 -3.16 0.3 1.0 A 4.3 A A
3 9.6 1.0 10.42 1.05 0.1 2.6 A 10.6 N W
4 10.1 0.2 1.98 6.32 0.6 0.7 A 2.8 A A
5 9.8 0.4 4.08 3.16 0.3 1.1 A 4.5 A A
6 9.1 0.4 4.40 -4.21 0.4 1.1 A 4.8 A A
7 9.4 0.32 3.40 -1.05 0.1 1.0 A 3.9 A A
9 9.5 0.4 4.21 0.00 0.0 1.1 A 4.7 A A
11 9.9 0.5 5.05 4.21 0.4 1.4 A 5.4 A A
12 11 0.4 3.64 15.79 1.5 1.1 N 4.2 A N
13 8.39 0.29 3.46 -11.68 1.1 0.9 N 4.0 A N
14 7.55 0.33 4.37 -20.53 2.0 1.0 N 4.8 A N
15 5.1 0.97 19.02 -46.32 4.4 2.6 N 19.1 N N
Final
Score