A gas chromatography system comprising a sample introduction device, an oven coupled to the sample introduction device and a detector coupled to the oven is disclosed. The mounting bracket includes a support surface having a first \u201cJ\u201d shaped hook to hook over the edge of a slat and into the undercut sidewall and a second \u201cJ\u201d shaped hook to hook into a second slot and into the undercut sidewall. The workgroup server is interposed between the master database server and said workgroup user clients.