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Task Group No. 458: Best Practices for the Use, Calibration, and Quality Assurance of Well Counters in Nuclear Medicine (TG458) AAPM Members, Affiliates and Non-Member Affiliates - Login for access to additional information Activities To develop a guidance document that outlines best practices for the selection, calibration, use, and quality assurance of well counters used in nuclear medicine. The task group will provide standardized recommendations analogous to those presented in AAPM TG-181 (dose calibrators), tailored to the use of scintillation well counters for low-activity sample measurements. By-Laws: Not Referenced.Rules: Not Referenced. Standing? This is not a standing committee. Approved Date(s): 10/30/2025 - 12/31/2028 Reviewable Draft Deadline: Committee Keywords: No Keywords Entered Board of Directors Science Council Radiopharmaceutical Cmte  [Status] Nuclear Medicine SC  [Status] TG458: Best Practices for the Use, Calibration, and Quality Assurance of Well Counters in Nuclear Medicine  [Status] » Conflict of Interest report for TG458 » Status Reports for Task Groups - AC | EC | IC | PC | SC | Board Committees | All

Chair Christopher Abraham 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= incomplete or out of date conflict of interest statement.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 Appointments

There are 3 voting members.

Christopher B. Abraham, PhD 10/30/2025 - 12/31/2028 Task Group Chair	Michael T. Nimmo 10/30/2025 - 12/31/2028 Task Group Vice Chair
Jessica G. Salazar-Gaglione 10/30/2025 - 12/31/2028 Member

NON-VOTING Appointments

There are 1 non-voting members and guests.

Marjorie E. Gonzalez, PhD 10/30/2025 - 12/31/2028 Consultant (nonvoting)

HQ Team Appointed to Committee

There are 0 staff.

See connections to Task Group No. 458: Best Practices for the Use, Calibration, and Quality Assuran

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