Printreg Archive
Re: Air pollution control factors for printing industry HAPs.


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From: gjonesprinting@aol.com
Date: Mon Mar 31 1997 - 10:02:00 CST


Scott:

After reviewing the responses to your question, there did not appear to be a
complete answer provided. If the HAPS used in the process are volatile, then
the same emission factors that have been established for VOCs would apply.
Since most HAPs used in printing are also VOCs, the same emission factors can
be justified.

The only non-VOC HAPs used in offset would be methylene chloride and 1,1,1
Trichloroethane. However, the use of these two matierals should not be
significant given that 1,1,1 Trichloroehtane is subject to the Ozone
Deplelting Substances labeling requirements should have forced the printer to
stop using it.

The new OSHA Methylene Chloride Standard should also force the printer to
stop using methylene chloride because of the drop in the PEL and the
monitoring, engineering controls, and employee training requirements are so
stringent that the pritner is better off having their supplier formulate it
out of their products.

If you have any more questions, please let me know.


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