The qualifications required for membership are summarised in the table.

Class of membership	Summary of qualifications required
Full members
Honorary Fellows	of high distinction, or has rendered distinguished service
Fellows	appreciable professional responsibility for 10 years
Members	a degree in science or engineering and four years' professional experience including radiological protection, or a mature candidate
Non-full members
Graduate Members	a degree in science or engineering and one year's experience in radiological protection
Associates	sufficient technical knowledge to benefit from participation in the Society's activities
Student Associates	studying medicine, science or technology
International Members	eligible for membership of IRPA (International Radiation Protection Association)
Affiliate Members	an organisation having interests in radiological protection

Honorary Fellows
Honorary Fellows shall be chosen from persons of high distinction in public life or in their chosen professions or vocations, or from persons who have rendered distinguished service to radiological protection or allied fields or to the Society for Radiological Protection or to associations or organisations with which the Society is, or has been, connected.

Fellows
A Fellow, if he or she is to be admitted as such, must have the following qualifications:

(i) have been a Member, under subscription, for a period of at least five years, and
(ii) have held a position of appreciable professional responsibility in radiological protection normally for a period of at least ten years. Such a position is broadly equivalent in responsibility and experience to the posts of: Unified Grade 7 in the Civil Service, Principal Scientific Officer, Principal Physicist, Senior University Lecturer, Principal Engineer, or any post above these levels.

Members
The basic requirements for admission as a Member are defined by the following seven key attributes:

(i) have reached or passed his or her twenty fifth birthday,
(ii) basic scientific understanding, including a knowledge of scientific method,
(iii) numeracy,
(iv) knowledge of basic radiation physics, biological interactions of radiation and radiation protection philosophy,
(v) satisfactory knowledge of the relevant regulatory framework for radiological protection,
(vi) ability to communicate scientific knowledge in a written report or paper,
(vii) at least four years' recent experience in a field with a significant radiological protection content involving the application of professional judgement or interpretation of varied and non-routine radiological data.

There are two possible routes to admission as a Member as follows.

Route 1. Graduate professional
An individual who has a pass-level degree in science or engineering or other graduate or post-graduate standard or a nationally recognised qualification, of a standard recognised by the Council, together with at least four years' professional experience which includes a demonstrated systematic knowledge of radiological protection for example by means of a record of training and experience.

Route 2. Mature candidate
An individual who:

(a) normally has a minimum age 35,
(b) normally has at least 15 years' experience in a field which involves significant radiological protection content, of which at least 7 years must be directly involved in essentially full time radiological protection work, 4 years of which must be at professional level,
(c) has demonstrated a systematic acquisition of knowledge of radiological protection,
(d) has submitted a technical report or professional diary,
(e) has been interviewed where necessary by the Membership Committee.

Graduate Members
A Graduate, if he or she is to be admitted as such, may be an individual who:

(i) is not qualified for admission as a Full Member of the Society,
(ii) fulfils the requirements of regulation 11, namely that a Graduate Member may be admitted provided that he or she has a science or engineering degree or other graduate or post-graduate standard or a nationally recognised qualification, of a standard recognised by the Council, together with at least one year's experience in radiological protection not necessarily at a fully professional level.
(iii) shall have satisfied the Membership Committee that his or her admission is conducive to the objects, interest and character of the Society.

Associates
An Associate, if he or she is to be admitted as such, may be an individual who:

(i) is not qualified, or accepted, for admission as a Member of the Society,
(ii) fulfils the requirements of regulation 13 ,
(iii) shall have satisfied the Membership Committee that his or her admission is conducive to the objects, interests and character of the Society.

Student Associates
A Student Associate, if he or she is to be admitted as such, shall be an individual who satisfies the requirements of regulation 13 (below) and of bylaw 5.5 (which is the section Associates above) and shall be engaged to the satisfaction of the Membership Committee in full-time or sandwich course studies, approved by the Membership Committee, in medicine, science, technology, or other subjects related to radiological protection and allied fields, leading to a graduate or graduate equivalent qualification.

Regulation 13. Associate Members. This category of membership is open to those who are engaged in, have an interest in or are studying radiological protection, or those whose admission would be of value or otherwise desirable to the Society in promoting or advancing any of its objectives and activities. Applicants should have sufficient technical knowledge to be able to benefit from participation in the Society's activities. Associate Members who are full time students shall be admitted as Student Associates.

International Members
International Members are either nominated members of Partner Societies or consenting members of the Society and must be eligible for membership of IRPA (International Radiation Protection Association) IRPA site.

Affiliate Members
An Affiliate Member may be a corporation, association or other organisation engaged in, or having interests in, radiological protection or allied fields. Admission as an Affiliate Member shall be in the interests of the Society and of its character and public image.

Full Members may use their designated initials (FSRP or MSRP) after their names.