Stan A. Huber Consultants, Inc. 
Health Physics & Radiation Safety Services 

RADIOLOGICAL PHYSICS SERVICES
EVALUATION OF X-RAY TUBE PERFORMANCE
  • Distance indicators accuracy
  • Collimation accuracy
  • ​Tube locks and angulation indicator performance
  • Tube housing integrity
  • KV accuracy/HVL measurement
  • MA linearity
  • Tube radiation output
  • Reproducibility
  • Phototimer performance and reproducibility
  • Patient dose determinations
  • Digital image quality
  • Fluoroscopy: Timer, interlocks, image resolution, dose rate
  • QA review
  • Development of QA programs
CT Performance
  • Slice Thickness
  • Positioning accuracy
  • ​High/Low contrast resolution
  • Artifact evaluation
  • CT number evaluation
  • SNR/CNR measurement, noise level, and uniformity
  • ​Patient dose determination
  • Protocol review
  • Console monitor performance
  • Table motion and gantry angulation accuracy
  • ACR certification dose determination and image quality support
  • QA review
MRI​
  • ​Distance Accuracy and distortion evaluation
  • Slice thickness
  • Positioning accuracy
  • High/low contrast performance
  • Image uniformity
  • Ghosting evaluation
  • Artifact evaluation
  • Coil Performance
  • Magnetic field uniformity/SNR
  • Console monitor performance
  • ACR certification support
  • QAreview
Mammography (ACR/MQSA inspection) including:
  • KV accuracy and reproducibility
  • Image performance
  • Artifact Evaluation
  • Dose determinations
  • Phototimer performance
  • HVL determination
  • Field alignment with light field, image receptor, and compression device
  • Resolution
  • Tube output and reproducibility
  • QA review
  • Review workstation evaluation
  • (Includes film/screen, CR, digital, and 3D units
Diagnostic Radiology
RADIATION PROTECTION
NUCLEAR MEDICINE
ULTRASOUND

  • Protection surveys of diagnostic and therapeutic installations
  • Shielding specifications for diagnostic, PET, and therapeutic installations
  • Review of radiation safety programs of radiographic and nuclear facilities
  • Fetal radiation dose determinations
  • Protective garment inspections


  • Gamma camera performance: spatial resolution, sensitiivity, uniformity, and eneergy resolution
  • QA review
  • ACR certification support


  • Image evaluation
  • ACR certification support
  • QA review