Frequently Asked Questions

Services & Scope

  • XRCT Limited provides specialized medical physics consulting for diagnostic imaging, radiation therapy, and nuclear medicine facilities. Services include radiation shielding design, acceptance testing, commissioning support, quality assurance programs, regulatory compliance testing (including HARP and CAR requirements), and ongoing physics support for healthcare facilities.

  • XRCT Limited supports a broad range of healthcare environments that use ionizing radiation or diagnostic imaging systems, including hospitals, cancer centres, diagnostic imaging facilities, Integrated Community Health Services Centres (ICHSCs), nuclear medicine facilities, dental and specialty imaging clinics, and radiation oncology departments.

  • XRCT Limited adapts its services based on the specific operational, regulatory, and clinical needs of each facility. Regardless of facility type, XRCT Limited is committed to providing the same high standard of medical physics expertise and technical support. Services are tailored to deliver practical, cost-effective solutions appropriate to each clinical setting and project scope.

  • Yes. XRCT Limited supports both new facility builds and renovation or equipment replacement projects. This includes early-stage planning, shielding design, installation support, and commissioning to ensure compliance and operational readiness.

  • Yes. XRCT Limited services are provided by Qualified Medical Physicists with expertise in diagnostic imaging, radiation therapy, and radiation safety. Our work supports clinical quality assurance, regulatory compliance, and system performance verification in healthcare environments.

Regulatory Compliance & Standards

  • HARP (Healing Arts Radiation Protection) testing is required under Ontario legislation governing the safe use of diagnostic X-ray equipment. It includes acceptance testing, performance verification, and ongoing quality assurance to ensure compliance with provincial radiation safety requirements.

  • Under Ontario HARP requirements, systems containing X-ray tubes are generally subject to testing every six months. Due to the design of CT systems, standard HARP testing is not always directly applicable in the same manner as conventional X-ray equipment.

    XRCT Limited provides comprehensive quality assurance programs for CT-class systems (including CT, PET-CT, SPECT-CT, CBCT, and on-board imaging systems) in accordance with AAPM, ACR, and CAR recommendations.

  • Mammography review workstations require regular quality control to ensure diagnostic image accuracy and display consistency. This typically includes routine visual checks, periodic monitor performance testing, and annual quality assurance assessments in accordance with institutional protocols and CAR accreditation requirements. Additional testing is recommended following any hardware or software changes.

  • CAR (Canadian Association of Radiologists) accreditation defines national quality assurance standards for diagnostic imaging systems. XRCT Limited supports CAR accreditation by providing physics-based testing, performance evaluation, and documentation required for compliance across modalities such as CT, MRI, mammography, and general radiography.

  • Yes. XRCT Limited provides documentation and technical reports designed to support regulatory compliance submissions, including HARP requirements and CAR accreditation processes, where applicable.

Project Delivery & Technical Support

  • Yes. XRCT Limited provides acceptance testing and commissioning support following installation of imaging and radiation therapy systems. This includes baseline performance measurements, safety verification, and system validation prior to clinical use.

  • Yes. XRCT Limited provides post-service and corrective testing following equipment repairs, upgrades, or unexpected performance changes to ensure continued compliance and safe clinical operation.

  • Commissioning is the initial process of testing and validating equipment after installation to establish baseline performance before clinical use. Quality assurance is the ongoing process of monitoring system performance throughout its operational lifecycle to ensure continued safety and consistency.

  • Yes. XRCT Limited provides independent medical physics verification services that are not affiliated with equipment manufacturers or vendors, ensuring objective assessment of system performance and regulatory compliance.

  • Yes. XRCT Limited works directly with architects, engineers, and contractors during facility planning and construction to ensure radiation shielding design, room layouts, and equipment placement meet regulatory and operational requirements.

  • XRCT Limited provides detailed technical reports outlining testing methodology, measured results, compliance status, and recommendations. Reports are structured to support clinical use, internal QA programs, and regulatory or accreditation requirements.