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Machine Source Section

The Machine Source Section administers New Jersey’s inspection program for all radiation therapy, medical diagnostic, dental, industrial, particle accelerators and analytical x-ray equipment within the state. In addition, the section administers the Quality Assurance programs for medical diagnostic and dental CBCT x-ray equipment. The goal of the Quality Assurance program is for facilities to ensure optimal operation of the x-ray equipment in order to achieve high quality diagnostic x-ray images while simultaneously maintaining/reducing patient radiation exposure to acceptable levels. As part of BXC’s inspections, image quality and patient radiation exposure metrics are gathered and evaluated as an indicator of facility performance. The image quality and patient radiation exposure metrics are reported to the facility along with the results of similar facilities performing similar x-ray studies.

BXC’s Dental inspection includes a measurement of entrance skin exposure (ESE). A report is generated and sent to each facility at which an ESE measurement was taken. This report gives the ESE and identifies which category the ESE falls into. The report explains ESE and its determining factors. Facilities with extremely high ESE readings are asked to consult with their image receptor representative or physicist and determine the cause of the extremely high ESE, make changes to reduce ESE, and send a report of their findings and corrective actions to the BXC within thirty days.

  • For a list of qualified individuals to perform radiation safety surveys or annual medical physicist quality assurance surveys, click here.
  • For information about inspections, click here.
  • For Dental CBCT information, click here.


 Important Information
Quality Assurance Program Information
QA Compliance Guidance Documents
N.J.A.C. 7:28-22 - Quality Assurance Program Regulation (unofficial copy)
Quality Assurance Manual
Radiographic Quality Control
Fluoroscopic Quality Control
Computed Tomography Quality Control
QA Forms
Processor forms
Blank QC forms for radiography
Radiographic QC Survey Form for medical physicists
Fluoroscopic QC Survey Form for medical physicists
CT QC Survey Form for medical physicists

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Last Updated: January 22, 2018