| 1 | Lead, cadmium, and mercury in an ionizing radiation detector. |
| 2 | Lead bearings in X-ray tubes. |
| 3 | Lead in electromagnetic radiation amplifiers (microchannel plates and capillary plates). |
| 4 | Lead in the glass powder of X-ray tubes and image intensifiers, and lead in the glass powder binder used in components that convert electromagnetic radiation into electrons in gas lasers and vacuum tubes. |
| 5 | Lead in ionizing radiation protection devices. |
| 6 | Lead in X-ray test specimens. |
| 7 | Lead stearate X-ray diffraction crystal. |
| 8 | Cadmium radioisotope sources for portable X-ray fluorescence spectrometer sensors, detectors, and electrodes, and the following applications: |
| | a. Lead and cadmium in the glass of ion-selective electrodes and pH electrodes. |
| | b. Lead anode in an electrochemical oxygen sensor. |
| | c. Lead, cadmium, and mercury in infrared detectors. |
| | d. Mercury in the reference electrode: low-chloride mercuric chloride, mercuric sulfate, and mercuric oxide. |
| | e. Other applications. |
| 9 | Cadmium in a helium-cadmium laser. |
| 10 | Lead and cadmium in the lamp of an atomic absorption spectrometer (cathode ray). |
| 11 | Lead in alloys used as superconductors and heat conductors in magnetic resonance imaging (MRI). |
| 12 | Lead and cadmium in metal wires connected to superconducting materials in detectors of nuclear magnetic resonance (MRI) and superconducting quantum interference devices (SQUID). |