3 Radioisotopes of Interest
Isotopes reported by RAM are primarily selected by total contribution to the
spectra. These lines are NORM materials, composed of
40 K,
238
U,
232
Th or their
daughters. Specifically thoron and radon daughters are of interest because they
provide almost 2/3 of the natural dose that healthy individuals receive. Other isotopes are of public interest after events such as Fukushima Dai’ichi which include
residual fallout or TENORM. The RAM is an improvement over the previous
revision of the sample based air monitors that we employed just after Fukushima.
The measurements for the time period just after Fukushima were mainly focused
on the detection of
134 Cs and
137 Cs, the results are provided in Fig. 5 (Figs. 3, 4
and 6).
Fig. 2 Weather station with 6 parameters of local meteorological data, about 25 m above street
level
RadWatch Near-Realtime Air Monitoring …
319
Isotopes reported by RAM are primarily selected by total contribution to the
spectra. These lines are NORM materials, composed of
40 K,
238
U,
232
Th or their
daughters. Specifically thoron and radon daughters are of interest because they
provide almost 2/3 of the natural dose that healthy individuals receive. Other isotopes are of public interest after events such as Fukushima Dai’ichi which include
residual fallout or TENORM. The RAM is an improvement over the previous
revision of the sample based air monitors that we employed just after Fukushima.
The measurements for the time period just after Fukushima were mainly focused
on the detection of
134 Cs and
137 Cs, the results are provided in Fig. 5 (Figs. 3, 4
and 6).
Fig. 2 Weather station with 6 parameters of local meteorological data, about 25 m above street
level
RadWatch Near-Realtime Air Monitoring …
319