From: "Deavor, James"Subject: RE: [DCHAS-L] FW: safe number of students in chemistry lab Date: Wed, 25 Aug 2004 17:54:40 -0400 In "Safety in Academic Chemistry Laboratories" ISBN 0-8412-3864-2, p. 3, Published by the American Chemical Society. "Laboratory instructors are responsible for the safety of their laboratory students; no more than 25 should be assigned at the same time to work in a laboratory under the supervision of an instructor."
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