Figure 18. Lead shielding for service boxes and conduit in concrete barriers.
11. Testing and certification.
After the x-ray and gamma-ray equipment has been installed and placed in operating condition, the installation will be
surveyed by a qualified expert in accordance with TB MED 521. NCRP Reports 33 and 49 will be adhered to in surveying
medical facilities. NCRP Report 35 will be followed for surveying dental facilities.