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1.3, or less than 50 becquerels. I now have the feeling that I made a sound investment to protect my family’s health.
The lowest figure I had during in a full year was 4.5, the highest was 11. The day you installed the system, short-term reading was at 7 or 259 becquerels, the most common figure I read on the monitor.
In my mind, this illustrates the job was efficient (and from what I could see and understand, state of the art). I expected a lot of mess with concrete dust, but there was really little, I expected something perhaps noisy, but the fan’s actual noise compares to what I would hear in a hotel when another room’s shower operates.
Have a great day.