ALARA (as low as reasonably achievable) is just one of the dozens of acronyms you're likely to hear working in the radiology field. Unfortunately, as with any other acronym that gets regular usage, the more you hear it and use it, the less likely you become to really consider its full implications.
Does everyone on your team really know and use best practice to keep radiation exposure as low as reasonably achievable? When was the last time they had a refresher on those practices? Do you have any way of knowing or documenting that?
If your answers to the previous questions included anything like, "no" or, "I'm not sure", the following are three big reasons why you need to consider a radiation safety training program at your facility.