Radiation Health and Safety
DANB’s Radiation Health and Safety (RHS) exam is recognized or required in many states. Learn about DANB’s RHS exam, how to apply, how to prepare, and what to expect on exam day.
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Important Information
This exam is also offered in Spanish.
These resources will help you apply and prepare for the exam.
Timeline & Requirements
TEST WINDOW
60 DAYS
TEST TIME
60 MINUTES
TEST QUESTIONS
75 QUESTIONS
Testing Options
Test Center
Read about what to expect when you take your exam in-person at a test center.
Online Proctored Exam
Learn what you’ll need to be able to take your exam through online remote proctoring.
DALE Foundation Study Materials
RHS Everything Bundle
Prepare with this comprehensive and cost-saving RHS review course, practice test, and scenario bundle.
Rad Lab: Interactive RHS Study Scenarios
Bring the information to life with activities, games, and scenarios.
RHS Practice Test
Quiz yourself with over 200 practice questions to refresh yourself before you take DANB’s RHS exam.
RHS Review Course
Go into detail with this online review course and feel confident for your DANB RHS exam.