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Hi Andrea,
1. "Do not look at laser(s) with remaining eye."
2. light tight box, laser safety interlock.
3. No. Murphy's Law dictates they would remove the eyeware before #1.
4. No. The really good service people share the measurements they make 
at the laser output and/or back focal plane.
You're welcome and stay safe,
George
On 10/24/2013 2:12 PM, Elberger, Andrea June wrote:
> *****
> To join, leave or search the confocal microscopy listserv, go to:
> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> *****
>
> TO THE CONFOCAL LIST MEMBERS:
>
> I am a member of a campus-wide Laser Safety Subcommittee, and we are trying to establish policies and standards for numerous systems (more than microscopes) that use lasers for research. In the case of Confocal Laser Scanning Microscope systems, all those on our campus are commercially available systems.
> I am seeking information on what CLSM facilities have done, or tried to do, related to laser safety policies and issues.
> For example:
>
> 1)    What training requirements/procedures do you have for trainers and end-users?
>
> 2)    Do you have any modifications to your existing commercial systems, e.g. a screen around the microscope or stage where the laser beam is visible?
>
> 3)    Do you require users to wear protective eyewear at any time during operation of the CLSM?
>
> 4)    Do you have the manufacturer's service people carry out any measurements that would be used in laser safety calculations?
> Any information on other procedures or issues related to use of the lasers in CLSMs would be greatly appreciated.
>
> Thanks for your time.
>
> ANDREA
>
>
>
> Andrea J. Elberger, Ph. D.
> Professor, Anatomy and Neurobiology
> Director, Confocal Laser Scanning Microscope Facility
> The University of Tennessee Health Science Center
> 855 Monroe Avenue
> Memphis, TN 38163 U.S.A.
> tel: 901-448-4101
> FAX: 901-448-7193
> <mailto: [log in to unmask]<mailto:[log in to unmask]>>
>
>