Qualifications for conservation technicians

As an Australian Library Technician who works in the area of
conservation I am interested to note that America has positions entitled
Conservation Technician and Preservation Technician.  What
qualifications are required for such positions?

Jean Bailey
Conservation Unit
Fisher Library FO3
University of Sydney
NSW 2006 Australia
+61 2 351 4691
Fax: +61 2 351 8325

                                  ***
                  Conservation DistList Instance 8:59
                 Distributed: Sunday, January 29, 1995
                        Message Id: cdl-8-59-012
                                  ***