Radiation Therapy Machines

Check of Machine Calibration by Mailed Dosimeters

Thermoluminescent dosimeters (TLD) are available by mail to monitor radiotherapy beams as an independent check of machine calibration.  Frequency of service may be scheduled monthly, quarterly, semi-annually, annually or by request.

Photon Beam Checks

Photon beam checks include orthovoltage beams (>= 2 mm Al HVL), Co-60, Cs-137 and photon beams (2MV - 25MV).


$70.00 per beam
$50.00 one-time setup/platform

Electron Beam Checks

Electron beam checks for electron beams ranging from 4 MeV to 22 MeV


$90.00 per beam
$100.00 one-time setup/phantom

Base shipping fees are FREE for US regular mail. Additional fees apply to all International and overnight orders.  Wire Transfer fees of $25 will be added for customers using this method of payment.

To request service, print and fill out the TLD Services Order Form (.doc) and send to:

Radiation Dosimetry Services
MD Anderson Cancer Center
8060 El Rio Street, Bldg. D
Houston, TX 77054