Re: HAPs absorption from flexo printing of newspapers...
I believe emission factors from ink manufacture may not be the closest data
here. Batelle Laboratories performed a number of ink-oil retention studies,
primarily focusing on non-heatset litho, but also looking at some other
sectors around 1990-1991. Best I know, these are pretty much definitive and
have been accepted by EPA and many of the states as good scientific guidance.
Gary Jones (GATF) would be a good source, although Dave Salman might also have