Physics and Radiobiology of Nuclear Medicine

(d) What is the maximum OER for g- and x-rays? (e) Is misonidazole a radiosensitizer or radioprotector for hypoxic cells? (f) Wh ...

References and Suggested Readings American Cancer Society.Radiation Exposure and Cancer.Atlanta, GA; 2003. BEIR V Committee.The ...

16 Radiation Regulations and Protection 268 Radiation hazards to humans are well documented. To minimize their risks, internatio ...

The major contribution of the exposure comes from natural sources, par- ticularly from radon from building materials, amounting ...

sure through consumption. Exposure from smoking has been estimated to be 1.3 mrem (13mSv)/year, which is not included in Table 1 ...

specified in 10CFR33.100, Schedule A, Column I; and the Type C license permits maximum activities of by-product material specifi ...

The values of WTfrom the 10CFR20 are given in Table 14.5. Effective dose equivalent (HE) is the sum of the products of the commi ...

where radioactive materials are handled for less than 8 hr, during which time the materials are constantly attended. Occupationa ...

The annual occupational dose limits for minors is 10% of the annual dose limits for adults. The dose limit to the fetus/embryo d ...

Distance The intensity of a radiation source, and hence the radiation exposure, varies inversely as the square of the distance f ...

(16.1) where Gis the exposure rate constant of the radionuclide. Problem 16.1 Calculate the radiation exposure at 25 cm from a v ...

A factor of 2170/10 =217 or more would be needed to reduce the exposure to less than 10 mR/hr. In terms of HVL, 2^8 =256, that i ...

exposure from radiations of different types and energies. Filters of metals of different densities stop different energy radiati ...

as the amount of radiation exposure by a TLD reader, a unit that heats the crystal and reads the exposure as well. The TLD gives ...

required for other radionuclides, depending on the amount and type of radionuclides. Receiving and Monitoring of Radioactive Pac ...

The following is a brief description of different methods of radioactive waste disposal, but one should consult 10CFR20 and 10CF ...

Other Disposal Methods A licensee may adopt methods of radioactive waste disposal different from those mentioned here, provided ...

Medical Uses of Radioactive Materials The NRC regulates the medical use of by-product materials by enforcing 10CFR35; similar re ...

Notification of the above must be made within 30 days of occurrence. Change or addition of areas of use for uptake and dilution ...

Mobile Nuclear Medicine Service According to 10CFR35.80, a licensee providing mobile nuclear medicine service to a client must ( ...