It would be nice if undergrads were not allowed into the library, or at least not during the month before finals. The undergrads are loud and take up study space.
Before the Suggestions Office gets stormed by irate "Reg Rats," we note that the comment is strangely ambigious about a specific venue, and subsequent attempts to glean further information went unanswered.
In any case, all locations of the University Library are open to College students.* While we admit that some locations focus on serving a particular Division or School, this University holds that research and scholarly inquiry occurs at both the undergraduate and graduate level, and often such work cuts across traditional disciplinary lines.
This being said, we find that a polite request to any noisy colleagues nearby (coupled with a reference to the appropriate Library zone) serves well regardless of academic status. If the patron refuses to stop making noise, feel free to involve a Library staff member.
*The D'Angelo Law Library has limited access to non-Law students during reading period and finals. See Law Access and Privileges for more details.