Recent content by sky8710

As you said, I've found the design limit for public area(unrestricted area) in 10CFR20 and still looking for the IDR limit for occupational exposure(controlled, restricted area). Anyway, thanks for your kind comment!

US states using the concept of IDR?? While I'm reading IAEA safety report 47, I've learned the concept of IDR, instantneous dose rate, which is commonly used in UK. IDR is the tool for recommendation of the limit of high dose rate in a short time, e.g., an hour. Generally, in US, NCRP is the...