Cleaning solvents

[P3D Paul A. Lehman <PALEHMAN@xxxxxxxxxxxxx>]

Thanks to Peter Eggleston for pointing out an important fact that I should have 
mentioned in my earlier post on using tri-chloro ethane as a solvent for cleaning 
shutter systems. All organic solvents, be it tri-chloro ethane, benzene, naptha, 
etc., or chemicals used in the development of slides or prints, or any other 
"chemical" should always be handled with care. Wear latex or vinyl gloves and take 
spill precautions. If you can smell the chemical you need better ventilation or 
possibly even a mask. In addition, re-use and recycle the solvents, they should not 
be disposed into the water sewer system. Avoid exposures to children and pets. If you 
are not familiar with the potential hazards of a given chemical, call the 
manufacturer and request an "MSDS" which is a Material Safety Data Sheet. It will 
provide you with all the information necessary for safety and handling, and potential 
toxicities. All of the mention chemicals in past digests on cleaning shutters, 
lenses, camera bodies, developing of film, etc (excluding pure water, of course). 
can, with sufficient exposure, cause various dermatologic disorders, or, may have 
potential for serious systemic toxicities. This is not meant to make anyone paranoid 
about everything, just safety aware. The final result?...(and link to 3D)... better 
working 3D cameras, healthy photographers, and a clean environment for those 
outstandinging 3D photographs. ALthough it is clearly apparent that photo-3d 
participants are of a high order of intellect and intelligence, somethimes even those 
of use who use these chemicals frequently may occasionally need a gentle reminder.

end of sermon for today. Thank you for listening. Now back to your regularly 
scheduled program.


Paul A. Lehman
PALEHMAN@xxxxxxxxxxxxx
Little Rock, AR  




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End of PHOTO-3D Digest 1288
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