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maximum probable case that there is no cesium present. The figures will show the
following value of specific activity:
2.13.2 If the band covers the zero line (in Figure 2.22 the red line-cursor
shows the zero level, which falls within the band edges), but the band center is a bit
beyond the zero line, it means either cesium is absent or there is relatively little
cesium present. The figures will show the following value of specific activity:
+
27
15
Bq/kg.
−
15
Figure 2.22 – Probable presence of small cesium amount
2.13.3 If your task is to ascertain the fact of cesium presence or absence in
food as accurately as possible, you should carry on measurement as long as
possible to get the final answer. In such a case the figures of subsections 2.13.1 and
+
25
0
Bq/kg
−
0
Figure 2.21 – Cesium absence
40
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