What are the Who might be harmed What are you already doing? What further action is Action Action Done hazards? and how? necessary / by whom by when recommended? Over-exposure Patients and staff. Equipment subject to regular testing to radiation Overexposure during and maintenance. radiographic examination Equipment is of suitable quality to due to equipment failure ensure radiation doses are as low as or staff error. reasonably practicable. Collimation and fast film speeds used. Diagnostic reference levels in accordance with national DRLs in place and adhered to. Contingency plans in place. Only entitled staff may carry out tasks related to radiography. Staff training and CPD. Total yearly Staff. Exposure greater Dose investigation level set. A formal review of working exposure than dose investigation conditions will be undertaken Personal dosimetry will be carried exceeds level due to large volume if results of personal out if estimated annual dose exceeds practice dose of examinations carried dosimetry suggest annual 1 mSv. investigation out. dose exceeds the dose Number of films per week level. investigation level to ensure Number of work weeks/year that exposure to radiation is restricted as far as Estimated max dose per reasonably practicable. radiograph to staff at 2m from tube and patient outside main beam = 0.125 µSv Estimated max annual dose
What are the hazards? Who might be harmed and how? What are you already doing? What further action is necessary / recommended? Action by whom Action by when Done Over-exposure to radiation Patients and staff. Overexposure during radiographic examination due to equipment failure or staff error. Equipment subject to regular testing and maintenance. Equipment is of suitable quality to ensure radiation doses are as low as reasonably practicable. Collimation and fast film speeds used. Diagnostic reference levels in accordance with national DRLs in place and adhered to. Contingency plans in place. Only entitled staff may carry out tasks related to radiography. Staff training and CPD. Total yearly exposure exceeds practice dose investigation level. Staff. Exposure greater than dose investigation level due to large volume of examinations carried out. Dose investigation level set. Personal dosimetry will be carried out if estimated annual dose exceeds 1 mSv. Number of films per week Number of work weeks/year Estimated max dose per radiograph to staff at 2m from tube and patient outside main beam = 0.125 µSv Estimated max annual dose A formal review of working conditions will be undertaken if results of personal dosimetry suggest annual dose exceeds the dose investigation level to ensure that exposure to radiation is restricted as far as reasonably practicable.