I am trying to conceptualize a topic on radon monitoring in the Philippines and I am still thinking if using CR-39 detector is enough or should I incorporate the usage of the RAD7 real-time monitor for radon? Thank you.
Dear Angelo,
I think you could use the RAD7 to verify specific situations, such as hot-spot, Radon measurements after remediation activities, or the Radon concentration before starting the measures with CR39 to choose the area in which to perform the Radon measurements.
CR39 is ok for Radon average, the active monitor is very good at verifying particular situations, as said in the previous words.
I hope this is helpful for you.
Mattia
Thank you for this Dr. Mattia Taroni. If I understand correctly, RAD7 may be used in preliminary measurement for radon hotspots to help in deciding where to place CR-39 detectors.
Angelo Panlaqui ,
yes. But it depensd how long you want measure Radon concentrations...for very short time, 1-2 weeksm the active monitor is ok, but for a long time, some months, to avoid the instruments shut down or other problems...
Normally I use the active monitor to find hot-spot or to check the radon concentration in a short time ( 1 week for example) to verify the remediation activities from high Radon concentrations.
Mattia is correct. For a home, the CR-39 is for a minimum of 90 days and the RAD7 is for 1 hour house measurements over a few days. To find hot spots, use the RAD 7 (be aware of Rn-220 response)
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