Daily Thoughts

Written by: Willie Pruitt TDS Time, Distance, Shielding “TDS” is one of the many terms that have stuck with me from my 12 years in the Navy’s Nuclear Power Program as a young man. “Nuclear power safety relies on the cardinal principles of time, distance, and shielding to minimize ionizing radiation exposure, adhering to the ALARA (As Low As Reasonably Achievable) principle.” We were all taught that there was no way to have zero exposure to radiation in a nuclear plant except