From: K Roy <safesci**At_Symbol_Here**>
Subject: Re: [DCHAS-L] High School Lab Class Enrollment Limits
Date: Thu, 16 Jan 2020 14:11:36 +0000
Reply-To: K Roy <safesci**At_Symbol_Here**SBCGLOBAL.NET>
Message-ID: 466886151.8282992.1579183896104**At_Symbol_Here**

Cathy - Check out the NSTA Safety Advisory Board safety issue paper on occupancy loads for labs..."Overcrowding in the Instructional Space" at:

It addresses both legal safety standards and better professional safety practices for occupancy loads in science labs.

Dr. Ken

Kenneth R. Roy, Ph.D.
Chief Safety Compliance Adviser
National Science Teaching Association (NSTA);
Safety Compliance Officer
National Science Education Leadership Association (NSELA);
Safety Committee Member
International Council of Associations for Science Education (ICASE);
Director of Environmental Health & Chemical Safety,
Glastonbury Public Schools (CT);

On Wednesday, January 15, 2020, 04:24:43 PM EST, Smiley, Cathy <csmiley**At_Symbol_Here**> wrote:

My colleague and I are the Chemical Hygiene Officers in our school. We currently only allow 24 students in any lab based science class. We are being asked to justify this enrollment limit. Our current lab space accommodates 24 students.

Does anyone have any resource guidelines that state we cannot go beyond this capacity?
Cathy Smiley
Chemistry Teacher
Marinette High School

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