[GreenYes] Junk mail envelopes & Staples

["Pablo Collins" <collins@csandh.com>]

In reply to the question about window envelopes --- if the envelope is
going into a mixed paper collection program, don't worry about the
windows.  Staples aren't a big problem either- they get removed in the
cleaning/filtration process at the mill.  In general the larger the
contaminant, the less of a problem it poses ---- sand and glass shards
are a much bigger problem because they are harder to screen out than a
staple.  Another contaminant in junk mail is soft non-soluble glue - the
type they use to stick credit cards onto pieces of paper, or the return
address labels you get from charities.  Once the glue gets into the
system it can be hard to get out.
 
Pablo Collins

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