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

[Bq/kg]
11
9
7
5
3
1
273 206 150 151 15 152 114 85 14 43 74 103 254 283 145 142 144 31 249 297 204 123 126 183 52 46 259 100 6188 219 250 233 13 263 232 98 146 131 217 78 218 86 187 143 82 138 130 27 97 157 241 223 285 299 244 44 202 257 91 179 200 268 93 106 134 139 256 205 50 175 210 221 240 276 72 169 81 164 227 7 92 190 271 51 61 185 71 191 239 184 265 115 159 163 172 238 252 264 5168 255 234 90 279 26 2430 158 12 261 136 121 113
39 53 56 73 88 94 128 133 165 199 208 237 246 274 284 32 214 101 153 23 111 34 20 251 19 122 162 211 40 258 243 207 38 42 75 186 292 293 24 36 105 195 216 236 294 242 58 68 298 212 45 166 181 132 89 170 269 288 289 177 37 60 17 77 21 110 64 154 192 124 59 65 54 99 182 55 176 80 194 253 47 174 201 118 178 62 35 70 84 193 171 209 140 296 119 235 167 226
41 96 125 290 33 95 220 278 300 63 18 57 107 270 275 76 109 173 272 295 87 267 22 83 245 16 127 215 112 120 161 213 311
Lab
code
Draft, page 130
Rep.
Value
Performance evaluation of Co-60 measurement results
Rep.
Unc.
Spiked water sample 02
Target Value: 6.0 ± 0.12 [Bq/kg]
Unc.
[%]
W
6%
N
17%
A
77%
Co-60 Water sample 02
Rel.
Bias
Laboratory code
A1 A2 True. P Prec.
1 6.85 0.68 9.93 14.17 0.9 1.8 A 10.1 N N
2 5.99 0.29 4.84 -0.17 0.0 0.8 A 5.2 A A
3 6.1 0.6 9.84 1.67 0.1 1.6 A 10.0 N W
4 6 0.1 1.67 0.00 0.0 0.4 A 2.6 A A
5 5.92 0.3 5.07 -1.33 0.1 0.8 A 5.4 A A
6 5.3 0.22 4.15 -11.67 0.7 0.6 N 4.6 A N
7 5.83 0.15 2.57 -2.83 0.2 0.5 A 3.3 A A
9 5.83 0.23 3.95 -2.83 0.2 0.7 A 4.4 A A
11 6.1 0.3 4.92 1.67 0.1 0.8 A 5.3 A A
12 6.9 0.2 2.90 15.00 0.9 0.6 N 3.5 A N
13 5.35 0.15 2.80 -10.83 0.7 0.5 N 3.4 A N
14 3.51 0.76 21.65 -41.50 2.5 2.0 N 21.7 N N
15 3.09 0.71 22.98 -48.50 2.9 1.9 N 23.1 N N
Final
Score