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Task Group No. 421: Performance Specifications, Clinical Integration, and Quality Control for Radiographic Automatic Exposure Control (AEC) (TG421)

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Activities
  1. Provide a framework for comprehensive acceptance testing of AEC systems in digital radiography devices.
  2. Provide recommendations for continuous quality control of DR AEC systems, including annual physics testing (methodology, frequency, targets, and control limits), and monitoring of exposure indicators.
  3. Describe methodology for adjusting protocol parameters (exposure compensators, dose controls, exposure cutoffs, backup timers, etc.) for appropriate image exposure.
By-Laws:Not Referenced.Rules: Not Referenced.
Standing?This is not a standing committee.
Approved Date(s):10/5/2023 - 12/31/2025
Reviewable Draft Deadline:
Committee Keywords: No Keywords Entered

Board of Directors
Science Council
Imaging Physics Cmte  [Status]
Radiography and Fluoroscopy SC  [Status]
TG421: Performance Specifications, Clinical Integration, and Quality Control for Radiographic Automatic Exposure Control (AEC)  [Status]

» Conflict of Interest report for TG421
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Chair

Nicole Lafata
Task Group Chair

2025 Roster

(dates shown below are start and end dates of position.)

= complete and up-to-date
= up-to-date but expires soon
= incomplete or out of date conflict of interest statement.

VOTING AppointmentsThere are 9 voting members.

up-to-dateCaroline Cheney, MS

11/20/2023 - 12/31/2025 Member
up-to-dateNicole M. Lafata, MS

10/5/2023 - 12/31/2025 Task Group Chair

up-to-dateZaiyang Long, PhD

10/5/2023 - 12/31/2025 Task Group Vice Chair
up-to-dateDustin W. Lynch, MS

10/5/2023 - 12/31/2025 Member

up-to-dateErin B. Macdonald, PhD

10/5/2023 - 12/31/2025 Member
up-to-dateDouglas E. Pfeiffer, MS

10/5/2023 - 12/31/2025 Member

up-to-dateColin Schaeffer, PhD

12/19/2024 - 12/31/2025 Member
up-to-dateAlexander W. Scott II, PhD

10/5/2023 - 12/31/2025 Member

up-to-dateAlok Shankar, PhD

3/18/2025 - 12/31/2026 Member
NON-VOTING AppointmentsThere are 3 non-voting members and guests.

up-to-dateAndy Madore, MS

10/26/2023 - 12/31/2025 Guest (nonvoting)
up-to-dateJohannes  Voigt

6/20/2025 - 12/31/2025 Consultant (nonvoting)

up-to-dateXiaohui (Ed) Wang, PhD

5/13/2025 - 12/31/2027 Consultant (nonvoting)
HQ Team Appointed to CommitteeThere are 0 staff.



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