This combination of default BPs gives you 27% radiation protection. Enough to even loot Power Plant and certain places with high rads in other monuments. In case you didn't know this. :) :
Rad Protection Pack | Last Day on Earth: Survival Wiki | Fandom
Fluoro-Rad. Protection Course - RADUNITS
Rust: Tips For Dealing With Radiation
Rad Tech's Guide to Radiation Protection, 2nd Edition | Wiley