NMTCB Study Guide 2024 with Complete Solutions!!

DOT II (yellow) - ANSWER-Contact = no more than 50 mR/hr 3ft = no more than 1 mR/hr DOT III (yellow) - ANSWER-Contact = no more than 200 mR/hr 3ft = no more than 10 mR/hr Total dose calculation - ANSWER-Total dose = (dose rate)(time) Inverse square law - ANSWER-(Intensity1 x Distance1)^2 = (I2)(D2)^2 Occupational exposure: Whole-body - ANSWER-50 mSv or 5 rem /year Occupational exposure: Lens of eye - ANSWER-150 mSv or 15 rem /year Occupational exposure: Any organ or tissue - ANSWER-500 mSv or 50 rem /year Occupational exposure: Skin or any extremity - ANSWER-500 mSv or 50 rem /year Exposure for general public - ANSWER-1 mSv or 0.1 rem /year Exposure for embryo/fetus of occupationally exposed worker - ANSWER-5 mSv or 0.5 rem for entire pregnancy Caution: radioactive materials - ANSWER-Any area w/RA materials Entrances to lab and department Potential presence of radiation sources/contamination No eating or drinking in area No smoking or applying cosmetics in area