Abstract: The paper presents the types of non-coal mine safety assessment　and expounds the job risk analysis method (LEC). In light of the real conditions of a non-coal mine in Zhejiang, the operation sites where accidents are apt to occur in the mine are selected as the assessment object and a quantitative assessment is made of the whole mine system by using LEC method. The major and minor hazards and harmful factors of the mine are found. LEC method is one of the most commonly used quantitative assessment methods for non-coal mine safety assessment. The assessment conclusion basically accords with the mine reality.

Key words: Non-coal mine, Safety assessment, Assessment method, LEC method, Application