The purpose of this study is to consider the management of compressed gas cylinder (CGC) in the university laboratories. We examined the present condition of CGC in campus, and pointed out the problems which should be improved. The results about this study are listed below.
1. The CGC management tool which was developed in this time was useful in university.
2. The problem is to return "long-term CGCs" which has been kept for a long period in university laboratories.
3. The subject is education about handling of CGC for students and staffs.