I just recieved a sample PathPen from Pacific Southwest Lab Equipment
Inc.  I ran it through varying concentrations of EtOH and it didn't come
off, it's also supposed to be waterproof.  Their phone #: 866-429-0618. 
>From what I understand they are a fairly new company, maybe they would
be willing to send you a sample.  I haven't used it on cassettes, but it
might be worth a shot.

Antonia


Antonia L. Abeyta
Health Sciences Tech. III
Community Environmental Health Program
University of New Mexico
Surge Bldg. Room 140
Albuquerque, NM  87131
(505) 272-4028

>>> "Vigil, Debbie  (CTMC / CTPA)"  6/3/2004
1:48:05 PM >>>
We have had a sudden problem with our markers.
All of a sudden the ink is washing off of our cassettes.
We had that problem a while back and found out it was our cassettes.
The surface was too smooth.  But we currently use two different
vendors
for our cassettes.  We have tried several different markers but the
same
thing
is happening.  Any suggestions would be appreciated.

We have tried secureline, staedtler, and moist mark.

Thank You in advance.

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