Evaluation of environment radiation level for γ irradiation facilities using fuzzy comprehensive judgment method

Objective: To ensure the safety of worker an environment of γ radiation facility by the environment quality evaluation. Methods: The environment quality of Jining Irradiation Centre when new γ radiation facility installed was evaluated by fuzzy comprehensive judgment method. Results: The place of γ radiation facility was well and the measures of radiate shelter and environment protect were effective. The environment quality of its area was not obviously changed. Conclusion: The result of environment evaluation was the first-rate