Printech Archive
Re: Blanket wash


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From: Brigette Martin (BMARTIN@gulf-states.com)
Date: Wed Mar 08 2000 - 16:49:59 CST


I would suggest looking at the percent volatile of the material, and if it's
pretty high, that can help you determine how much was actually used in the
process. I would say the bulk of your waste is probably water - has it been
profiled?

>>> <RobLindsay@usplayingcard.com> 03/08 2:38 PM >>>

I have a question on calculating VOC emmissions from a lithographic press. We
use a water and blanket wash mixture. Example - If we use 60 gallons of blanket
wash and 40 gallons of water and after cleaning operations the waste is
collected. How much of the blanket wash voc's have been consumed? Obviously I
don't want to report 60 gallons of voc's being released.

Any help would be appreciated.

Oh, the blanket wash we are using is 74% aliphatic petroleum distallates
cas#64742-88-7
                            20% aromatic petroleum distallates cas#64742-94-5
                            12% aliphatic petroleum distallates cas#8042-47-5
                            1.8% napthalene cas# 91-20-3

My background is occupational safety and industrial hygiene, so please don't
assume I have any working knowledge of the press. LOL


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