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

[Bq/kg]
6.5
5.5
4.5
3.5
2.5
1.5
0.5
277 273 206 151 152 144 38 43 224 142 223 14 86 205 208 78 27 123 85 126 278 15 83 235 292 293 236 239 1284 26 72 165 100 2
13 150 219 82 39 240 252 4267
7167
168 41 199 191 213 127 131 184 105 107 51 159 92 164 242 250 201 244 272 45 52 97 18 71 254 255 181 300 76 110 172 179 185 187 241 263 271 57 73 81 258 173 176 50 53 245 259 285 130 227 77 90 175 220 233 200 211 217 274 124 33 34 134 251 256 260 60 29 68 74 91 170 237 265 276 290 963 35 56 58 75 80 106 114 210 212 269 174 161 169 249 218 243 23 24 59 112 120 36 257 289 65 133 44 94 177 99 55 145 183 136 6
188 22 111 128 186 268 95 98 118 139 238 279 132 21 64 163 214 216 20 37 19 40 62 146 162 89 109 178 16 93 298
17 47 87 11 30 32 84 88 96 122 157 166 192 193 221 296 195 54 153 61 232 138 79 288 171 215 295 158 246 270 42 46 70 101 194 253 297 154 294 299 275 283 31 207 119 12 140 190 261 25 115 234 160 141 125 182 209 226 137 197 230
Lab
code
Draft, page 176
Rep.
Value
Performance evaluation of Cs-137 measurement results
Rep.
Unc.
Spiked water sample 03
Target Value: 3.2 ± 0.06 [Bq/kg]
Unc.
[%]
W
8%
N
23%
A
69%
Cs-137 Water sample 03
Rel.
Bias
Laboratory code
A1 A2 True. P Prec.
1 2.82 0.33 11.70 -11.88 0.4 0.9 A 11.9 N N
2 2.96 0.1 3.38 -7.50 0.2 0.3 A 3.9 A A
3 3.3 0.5 15.15 3.12 0.1 1.3 A 15.3 N W
4 2.92 0.1 3.42 -8.75 0.3 0.3 A 4.0 A A
5 9.27 0.56 6.04 189.69 6.1 1.5 N 6.4 A N
6 3.39 0.21 6.19 5.94 0.2 0.6 A 6.5 A A
7 2.97 0.11 3.70 -7.19 0.2 0.3 A 4.2 A A
9 3.21 0.18 5.61 0.31 0.0 0.5 A 6.0 A A
11 3.4 0.2 5.88 6.25 0.2 0.5 A 6.2 A A
12 4 0.2 5.00 25.00 0.8 0.5 N 5.4 A N
13 2.83 0.1 3.53 -11.56 0.4 0.3 N 4.1 A N
14 2.38 0.26 10.92 -25.63 0.8 0.7 N 11.1 N N
15 2.66 0.86 32.33 -16.88 0.5 2.2 A 32.4 N N
Final
Score