The International Atomic Energy Agency introduced the International Nuclear and Radiological Event Scale (INES) in 1990 to facilitate swift communication of safety-relevant information in the case of nuclear accidents. The scale is a logarithmic one quite like the MW or Moment Magnitude Scale used to measure the proportional magnitude of earthquakes.
This is an important topic for all IAS exam aspirants.
| Candidates can enhance their UPSC exam preparation by attempting UPSC Previous Years Question Papers now!!
To complement your preparation for the upcoming exam, check the following links: |
What are the different levels on the scale?
There are 7 different levels that mark the severity of events or accidents.
What are the features of events classified in the scale?
Events are rated at seven levels. The scale is logarithmic – that is, the severity of an event is about ten times greater for each increase in the level of the scale.
The events are classified based on the impact on:
- People and surrounding
- Radiological barriers and control
- Defence in depth
There are events that are marked at level 0 which indicates events without safety.
Aspirants should go through the following links for their UPSC exam preparation-
| Atomic Material and Radiation Sterilization | Nuclear Power Program of India | List Of Nuclear Power Plants In India |
| India’s Nuclear Doctrine | Solar Radiation Management | Radioactivity and Radioisotopes |
What are the strict policies of the INES?
- NES should not be used to rate events resulting from events due to intentional exposure to radiations like during any medical treatment
- INES should not be used to assess or compare safety performance between facilities, organizations or countries.
- It also should not be used to trigger emergency response actions.
Related Links:
| UPSC 2021 Calendar | UPSC Books |
| UPSC Syllabus | UPSC Notes |
| NCERT Notes For UPSC | UPSC Prelims |
| UPSC 2021 | UPSC Current Affairs |
Comments