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Working Group on MPPG 21: Multi-leaf Collimator Commissioning and Quality Assurance for IMRT Delivery (MPPG21) AAPM Members, Affiliates and Non-Member Affiliates - Login for access to additional information Activities 1. Construct and perform TG-100 type analyses to determine risk factors in clinical setups. 2. Based on the TG-100 type analysis findings, a minimum set of tests for commissioning and QA of the MLC will be provided for different MLC types for C-arm and ring-gantry linacs. 3. Provide recommendations on the workflow for translating MLC calibration to TPS tuning and identifying corresponding limitations. By-Laws: Not Referenced.Rules: Not Referenced. Standing? This is not a standing committee. Approved Date(s): 4/21/2025 Committee Keywords: No Keywords Entered Board of Directors Professional Council Clinical Practice  [Status] SC on Practice Guidelines  [Status] Working Group on MPPG 21: Multi-leaf Collimator Commissioning and Quality Assurance for IMRT Delivery  [Status] » Conflict of Interest report for MPPG21 » Status Reports for Task Groups - AC | EC | IC | PC | SC | Board Committees | All

Chair Seng Lim Workgroup 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= incomplete or out of date conflict of interest statement.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 5 voting members.

Peter B. Greer, PhD 4/21/2025 - 12/31/2027 Member	Victor Hernandez 4/21/2025 - 12/31/2027 Member
Stephen F. Kry, PhD 4/21/2025 - 12/31/2027 Member	Seng B. Lim, PhD 4/21/2025 - 12/31/2027 Workgroup Chair
Steven G. Sutlief, PhD 4/21/2025 - 12/31/2027 Member

NON-VOTING Appointments

There are 0 non-voting members and guests.

HQ Team Appointed to Committee

There are 0 staff.

See connections to Working Group on MPPG 21: Multi-leaf Collimator Commissioning and Quality Assura

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